Merge 8.7

1 files changed, 3591 insertions, 2871 deletions

diff --git a/unix/configure b/unix/configure
index 06b65be..87c7948 100755
--- a/unix/configure
+++ b/unix/configure
@@ -1,9 +1,10 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for tcl 9.0.
+# Generated by GNU Autoconf 2.71 for tcl 9.0.
 #
 #
-# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
+# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
+# Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -14,14 +15,16 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+as_nop=:
+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else
+else $as_nop
   case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
@@ -31,46 +34,46 @@ esac
 fi
 
 
+
+# Reset variables that may have inherited troublesome values from
+# the environment.
+
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
+# side effect of setting IFS to empty, thus disabling word splitting.)
+# Quoting is to prevent editors from complaining about space-tab.
 as_nl='
 '
 export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
+IFS=" ""	$as_nl"
+
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# Ensure predictable behavior from utilities with locale-dependent output.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# We cannot yet rely on "unset" to work, but we need these variables
+# to be unset--not just set to an empty or harmless value--now, to
+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
+# also avoids known problems related to "unset" and subshell syntax
+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
+do eval test \${$as_var+y} \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+
+# Ensure that fds 0, 1, and 2 are open.
+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
 
 # The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
+if ${PATH_SEPARATOR+false} :; then
   PATH_SEPARATOR=:
   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -79,13 +82,6 @@ if test "${PATH_SEPARATOR+set}" != set; then
 fi
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent editors from complaining about space-tab.
-# (If _AS_PATH_WALK were called with IFS unset, it would disable word
-# splitting by setting IFS to empty value.)
-IFS=" ""	$as_nl"
-
 # Find who we are.  Look in the path if we contain no directory separator.
 as_myself=
 case $0 in #((
@@ -94,8 +90,12 @@ case $0 in #((
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
   done
 IFS=$as_save_IFS
 
@@ -107,30 +107,10 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 # Use a proper internal environment variable to ensure we don't fall
   # into an infinite loop, continuously re-executing ourselves.
@@ -152,20 +132,22 @@ esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
 # out after a failed `exec'.
-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
-as_fn_exit 255
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
   fi
   # We don't want this to propagate to other subprocesses.
           { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+  as_bourne_compatible="as_nop=:
+if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else
+else \$as_nop
   case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
@@ -185,42 +167,53 @@ as_fn_success || { exitcode=1; echo as_fn_success failed.; }
 as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
 as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
 as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
-if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
+if ( set x; as_fn_ret_success y && test x = \"\$1\" )
+then :
 
-else
+else \$as_nop
   exitcode=1; echo positional parameters were not saved.
 fi
 test x\$exitcode = x0 || exit 1
+blah=\$(echo \$(echo blah))
+test x\"\$blah\" = xblah || exit 1
 test -x / || exit 1"
   as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
   as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
   eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
   test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
 test \$(( 1 + 1 )) = 2 || exit 1"
-  if (eval "$as_required") 2>/dev/null; then :
+  if (eval "$as_required") 2>/dev/null
+then :
   as_have_required=yes
-else
+else $as_nop
   as_have_required=no
 fi
-  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
+then :
 
-else
+else $as_nop
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
   as_found=:
   case $as_dir in #(
 	 /*)
 	   for as_base in sh bash ksh sh5; do
 	     # Try only shells that exist, to save several forks.
-	     as_shell=$as_dir/$as_base
+	     as_shell=$as_dir$as_base
 	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+		    as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
   CONFIG_SHELL=$as_shell as_have_required=yes
-		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+		   if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null
+then :
   break 2
 fi
 fi
@@ -228,14 +221,21 @@ fi
        esac
   as_found=false
 done
-$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
-	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
-  CONFIG_SHELL=$SHELL as_have_required=yes
-fi; }
 IFS=$as_save_IFS
+if $as_found
+then :
+
+else $as_nop
+  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
+then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi
+fi
 
 
-      if test "x$CONFIG_SHELL" != x; then :
+      if test "x$CONFIG_SHELL" != x
+then :
   export CONFIG_SHELL
              # We cannot yet assume a decent shell, so we have to provide a
 # neutralization value for shells without unset; and this also
@@ -253,18 +253,19 @@ esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
 # out after a failed `exec'.
-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
 
-    if test x$as_have_required = xno; then :
-  $as_echo "$0: This script requires a shell more modern than all"
-  $as_echo "$0: the shells that I found on your system."
-  if test x${ZSH_VERSION+set} = xset ; then
-    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
-    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
+    if test x$as_have_required = xno
+then :
+  printf "%s\n" "$0: This script requires a shell more modern than all"
+  printf "%s\n" "$0: the shells that I found on your system."
+  if test ${ZSH_VERSION+y} ; then
+    printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later."
   else
-    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
+    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org about your system,
 $0: including any error possibly output before this
 $0: message. Then install a modern shell, or manually run
 $0: the script under such a shell if you do have one."
@@ -291,6 +292,7 @@ as_fn_unset ()
 }
 as_unset=as_fn_unset
 
+
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -308,6 +310,14 @@ as_fn_exit ()
   as_fn_set_status $1
   exit $1
 } # as_fn_exit
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
 
 # as_fn_mkdir_p
 # -------------
@@ -322,7 +332,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -331,7 +341,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
+printf "%s\n" X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -370,12 +380,13 @@ as_fn_executable_p ()
 # advantage of any shell optimizations that allow amortized linear growth over
 # repeated appends, instead of the typical quadratic growth present in naive
 # implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+then :
   eval 'as_fn_append ()
   {
     eval $1+=\$2
   }'
-else
+else $as_nop
   as_fn_append ()
   {
     eval $1=\$$1\$2
@@ -387,18 +398,27 @@ fi # as_fn_append
 # Perform arithmetic evaluation on the ARGs, and store the result in the
 # global $as_val. Take advantage of shells that can avoid forks. The arguments
 # must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
   eval 'as_fn_arith ()
   {
     as_val=$(( $* ))
   }'
-else
+else $as_nop
   as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
   }
 fi # as_fn_arith
 
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
 # ----------------------------------------
@@ -410,9 +430,9 @@ as_fn_error ()
   as_status=$1; test $as_status -eq 0 && as_status=1
   if test "$4"; then
     as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  $as_echo "$as_me: error: $2" >&2
+  printf "%s\n" "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -439,7 +459,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+printf "%s\n" X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -483,7 +503,7 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+    { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
   # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
   # already done that, so ensure we don't try to do so again and fall
@@ -497,6 +517,10 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   exit
 }
 
+
+# Determine whether it's possible to make 'echo' print without a newline.
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
+# for compatibility with existing Makefiles.
 ECHO_C= ECHO_N= ECHO_T=
 case `echo -n x` in #(((((
 -n*)
@@ -510,6 +534,13 @@ case `echo -n x` in #(((((
   ECHO_N='-n';;
 esac
 
+# For backward compatibility with old third-party macros, we provide
+# the shell variables $as_echo and $as_echo_n.  New code should use
+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
+as_echo='printf %s\n'
+as_echo_n='printf %s'
+
+
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -584,41 +615,36 @@ PACKAGE_URL=''
 
 # Factoring default headers for most tests.
 ac_includes_default="\
-#include <stdio.h>
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
+#include <stddef.h>
+#ifdef HAVE_STDIO_H
+# include <stdio.h>
 #endif
-#ifdef STDC_HEADERS
+#ifdef HAVE_STDLIB_H
 # include <stdlib.h>
-# include <stddef.h>
-#else
-# ifdef HAVE_STDLIB_H
-#  include <stdlib.h>
-# endif
 #endif
 #ifdef HAVE_STRING_H
-# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
-#  include <memory.h>
-# endif
 # include <string.h>
 #endif
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
 #ifdef HAVE_INTTYPES_H
 # include <inttypes.h>
 #endif
 #ifdef HAVE_STDINT_H
 # include <stdint.h>
 #endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif"
 
-ac_header_list=
+ac_header_c_list=
 ac_subst_vars='DLTEST_SUFFIX
 DLTEST_LD
 EXTRA_TCLSH_LIBS
@@ -869,8 +895,6 @@ do
   *)    ac_optarg=yes ;;
   esac
 
-  # Accept the important Cygnus configure options, so we can diagnose typos.
-
   case $ac_dashdash$ac_option in
   --)
     ac_dashdash=yes ;;
@@ -911,9 +935,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: $ac_useropt"
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -937,9 +961,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: $ac_useropt"
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -1150,9 +1174,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: $ac_useropt"
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1166,9 +1190,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: $ac_useropt"
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1212,9 +1236,9 @@ Try \`$0 --help' for more information"
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    printf "%s\n" "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+      printf "%s\n" "$as_me: WARNING: invalid host type: $ac_option" >&2
     : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
@@ -1230,7 +1254,7 @@ if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
     fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
-    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
 
@@ -1294,7 +1318,7 @@ $as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_myself" : 'X\(//\)[^/]' \| \
 	 X"$as_myself" : 'X\(//\)$' \| \
 	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_myself" |
+printf "%s\n" X"$as_myself" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -1482,9 +1506,9 @@ if test "$ac_init_help" = "recursive"; then
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -1512,7 +1536,8 @@ esac
 ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 
     cd "$ac_dir" || { ac_status=$?; continue; }
-    # Check for guested configure.
+    # Check for configure.gnu first; this name is used for a wrapper for
+    # Metaconfig's "Configure" on case-insensitive file systems.
     if test -f "$ac_srcdir/configure.gnu"; then
       echo &&
       $SHELL "$ac_srcdir/configure.gnu" --help=recursive
@@ -1520,7 +1545,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
       echo &&
       $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+      printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi || ac_status=$?
     cd "$ac_pwd" || { ac_status=$?; break; }
   done
@@ -1530,9 +1555,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 tcl configure 9.0
-generated by GNU Autoconf 2.69
+generated by GNU Autoconf 2.71
 
-Copyright (C) 2012 Free Software Foundation, Inc.
+Copyright (C) 2021 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1549,14 +1574,14 @@ fi
 ac_fn_c_try_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext
+  rm -f conftest.$ac_objext conftest.beam
   if { { ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1564,14 +1589,15 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then :
+       } && test -s conftest.$ac_objext
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1581,6 +1607,39 @@ fi
 
 } # ac_fn_c_try_compile
 
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+printf %s "checking for $2... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  eval "$3=yes"
+else $as_nop
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_compile
+
 # ac_fn_c_try_cpp LINENO
 # ----------------------
 # Try to preprocess conftest.$ac_ext, and return whether this succeeded.
@@ -1593,7 +1652,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1601,14 +1660,15 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } > conftest.i && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
-       }; then :
+       }
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
@@ -1618,180 +1678,20 @@ fi
 
 } # ac_fn_c_try_cpp
 
-# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists, giving a warning if it cannot be compiled using
-# the include files in INCLUDES and setting the cache variable VAR
-# accordingly.
-ac_fn_c_check_header_mongrel ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval \${$3+:} false; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
-$as_echo_n "checking $2 usability... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_header_compiler=yes
-else
-  ac_header_compiler=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
-$as_echo_n "checking $2 presence... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <$2>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-  ac_header_preproc=yes
-else
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
-  yes:no: )
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-    ;;
-esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  eval "$3=\$ac_header_compiler"
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_header_mongrel
-
-# ac_fn_c_try_run LINENO
-# ----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
-# that executables *can* be run.
-ac_fn_c_try_run ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-       $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-       ac_retval=$ac_status
-fi
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_run
-
-# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists and can be compiled using the include files in
-# INCLUDES, setting the cache variable VAR accordingly.
-ac_fn_c_check_header_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval "$3=yes"
-else
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_header_compile
-
 # ac_fn_c_try_link LINENO
 # -----------------------
 # Try to link conftest.$ac_ext, and return whether this succeeded.
 ac_fn_c_try_link ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest$ac_exeext
+  rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext
   if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1799,17 +1699,18 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext && {
 	 test "$cross_compiling" = yes ||
 	 test -x conftest$ac_exeext
-       }; then :
+       }
+then :
   ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
@@ -1830,11 +1731,12 @@ fi
 ac_fn_c_check_func ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+printf %s "checking for $2... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
@@ -1842,16 +1744,9 @@ else
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $2 (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
+   which can conflict with char $2 (); below.  */
 
+#include <limits.h>
 #undef $2
 
 /* Override any GCC internal prototype to avoid an error.
@@ -1869,47 +1764,51 @@ choke me
 #endif
 
 int
-main ()
+main (void)
 {
 return $2 ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   eval "$3=yes"
-else
+else $as_nop
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_func
 
-# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
-# ---------------------------------------------
+# ac_fn_check_decl LINENO SYMBOL VAR INCLUDES EXTRA-OPTIONS FLAG-VAR
+# ------------------------------------------------------------------
 # Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
-# accordingly.
-ac_fn_c_check_decl ()
+# accordingly. Pass EXTRA-OPTIONS to the compiler, using FLAG-VAR.
+ac_fn_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   as_decl_name=`echo $2|sed 's/ *(.*//'`
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+printf %s "checking whether $as_decl_name is declared... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
-$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  eval ac_save_FLAGS=\$$6
+  as_fn_append $6 " $5"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main ()
+main (void)
 {
 #ifndef $as_decl_name
 #ifdef __cplusplus
@@ -1923,19 +1822,22 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   eval "$3=yes"
-else
+else $as_nop
   eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+  eval $6=\$ac_save_FLAGS
+
 fi
 eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
-} # ac_fn_c_check_decl
+} # ac_fn_check_decl
 
 # ac_fn_c_check_type LINENO TYPE VAR INCLUDES
 # -------------------------------------------
@@ -1944,17 +1846,18 @@ $as_echo "$ac_res" >&6; }
 ac_fn_c_check_type ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+printf %s "checking for $2... " >&6; }
+if eval test \${$3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   eval "$3=no"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main ()
+main (void)
 {
 if (sizeof ($2))
 	 return 0;
@@ -1962,12 +1865,13 @@ if (sizeof ($2))
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
-main ()
+main (void)
 {
 if (sizeof (($2)))
 	    return 0;
@@ -1975,22 +1879,66 @@ if (sizeof (($2)))
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
 
-else
+else $as_nop
   eval "$3=yes"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_type
 
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to run conftest.$ac_ext, and return whether this succeeded. Assumes that
+# executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: program exited with status $ac_status" >&5
+       printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
 # ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES
 # ----------------------------------------------------
 # Tries to find if the field MEMBER exists in type AGGR, after including
@@ -1998,16 +1946,17 @@ $as_echo "$ac_res" >&6; }
 ac_fn_c_check_member ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
-$as_echo_n "checking for $2.$3... " >&6; }
-if eval \${$4+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
+printf %s "checking for $2.$3... " >&6; }
+if eval test \${$4+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $5
 int
-main ()
+main (void)
 {
 static $2 ac_aggr;
 if (ac_aggr.$3)
@@ -2016,14 +1965,15 @@ return 0;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   eval "$4=yes"
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $5
 int
-main ()
+main (void)
 {
 static $2 ac_aggr;
 if (sizeof ac_aggr.$3)
@@ -2032,29 +1982,50 @@ return 0;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   eval "$4=yes"
-else
+else $as_nop
   eval "$4=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 eval ac_res=\$$4
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
+	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf "%s\n" "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_member
+ac_configure_args_raw=
+for ac_arg
+do
+  case $ac_arg in
+  *\'*)
+    ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+  esac
+  as_fn_append ac_configure_args_raw " '$ac_arg'"
+done
+
+case $ac_configure_args_raw in
+  *$as_nl*)
+    ac_safe_unquote= ;;
+  *)
+    ac_unsafe_z='|&;<>()$`\\"*?[ ''	' # This string ends in space, tab.
+    ac_unsafe_a="$ac_unsafe_z#~"
+    ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g"
+    ac_configure_args_raw=`      printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;
+esac
+
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by tcl $as_me 9.0, which was
-generated by GNU Autoconf 2.69.  Invocation command line was
+generated by GNU Autoconf 2.71.  Invocation command line was
 
-  $ $0 $@
+  $ $0$ac_configure_args_raw
 
 _ACEOF
 exec 5>>config.log
@@ -2087,8 +2058,12 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    $as_echo "PATH: $as_dir"
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    printf "%s\n" "PATH: $as_dir"
   done
 IFS=$as_save_IFS
 
@@ -2123,7 +2098,7 @@ do
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
     *\'*)
-      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
     1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
@@ -2158,11 +2133,13 @@ done
 # WARNING: Use '\'' to represent an apostrophe within the trap.
 # WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
 trap 'exit_status=$?
+  # Sanitize IFS.
+  IFS=" ""	$as_nl"
   # Save into config.log some information that might help in debugging.
   {
     echo
 
-    $as_echo "## ---------------- ##
+    printf "%s\n" "## ---------------- ##
 ## Cache variables. ##
 ## ---------------- ##"
     echo
@@ -2173,8 +2150,8 @@ trap 'exit_status=$?
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
@@ -2198,7 +2175,7 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
 )
     echo
 
-    $as_echo "## ----------------- ##
+    printf "%s\n" "## ----------------- ##
 ## Output variables. ##
 ## ----------------- ##"
     echo
@@ -2206,14 +2183,14 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
     do
       eval ac_val=\$$ac_var
       case $ac_val in
-      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
       esac
-      $as_echo "$ac_var='\''$ac_val'\''"
+      printf "%s\n" "$ac_var='\''$ac_val'\''"
     done | sort
     echo
 
     if test -n "$ac_subst_files"; then
-      $as_echo "## ------------------- ##
+      printf "%s\n" "## ------------------- ##
 ## File substitutions. ##
 ## ------------------- ##"
       echo
@@ -2221,15 +2198,15 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       do
 	eval ac_val=\$$ac_var
 	case $ac_val in
-	*\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+	*\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
 	esac
-	$as_echo "$ac_var='\''$ac_val'\''"
+	printf "%s\n" "$ac_var='\''$ac_val'\''"
       done | sort
       echo
     fi
 
     if test -s confdefs.h; then
-      $as_echo "## ----------- ##
+      printf "%s\n" "## ----------- ##
 ## confdefs.h. ##
 ## ----------- ##"
       echo
@@ -2237,8 +2214,8 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       echo
     fi
     test "$ac_signal" != 0 &&
-      $as_echo "$as_me: caught signal $ac_signal"
-    $as_echo "$as_me: exit $exit_status"
+      printf "%s\n" "$as_me: caught signal $ac_signal"
+    printf "%s\n" "$as_me: exit $exit_status"
   } >&5
   rm -f core *.core core.conftest.* &&
     rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
@@ -2252,63 +2229,48 @@ ac_signal=0
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -f -r conftest* confdefs.h
 
-$as_echo "/* confdefs.h */" > confdefs.h
+printf "%s\n" "/* confdefs.h */" > confdefs.h
 
 # Predefined preprocessor variables.
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_NAME "$PACKAGE_NAME"
-_ACEOF
+printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
-_ACEOF
+printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_VERSION "$PACKAGE_VERSION"
-_ACEOF
+printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_STRING "$PACKAGE_STRING"
-_ACEOF
+printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
-_ACEOF
+printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_URL "$PACKAGE_URL"
-_ACEOF
+printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h
 
 
 # Let the site file select an alternate cache file if it wants to.
 # Prefer an explicitly selected file to automatically selected ones.
-ac_site_file1=NONE
-ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  # We do not want a PATH search for config.site.
-  case $CONFIG_SITE in #((
-    -*)  ac_site_file1=./$CONFIG_SITE;;
-    */*) ac_site_file1=$CONFIG_SITE;;
-    *)   ac_site_file1=./$CONFIG_SITE;;
-  esac
+  ac_site_files="$CONFIG_SITE"
 elif test "x$prefix" != xNONE; then
-  ac_site_file1=$prefix/share/config.site
-  ac_site_file2=$prefix/etc/config.site
+  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"
 else
-  ac_site_file1=$ac_default_prefix/share/config.site
-  ac_site_file2=$ac_default_prefix/etc/config.site
+  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
 fi
-for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+
+for ac_site_file in $ac_site_files
 do
-  test "x$ac_site_file" = xNONE && continue
-  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
-$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+  case $ac_site_file in #(
+  */*) :
+     ;; #(
+  *) :
+    ac_site_file=./$ac_site_file ;;
+esac
+  if test -f "$ac_site_file" && test -r "$ac_site_file"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file" \
-      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
 See \`config.log' for more details" "$LINENO" 5; }
   fi
@@ -2318,20 +2280,337 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special files
   # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
   if test /dev/null != "$cache_file" && test -f "$cache_file"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
-$as_echo "$as_me: loading cache $cache_file" >&6;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+printf "%s\n" "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
       *)                      . "./$cache_file";;
     esac
   fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
-$as_echo "$as_me: creating cache $cache_file" >&6;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+printf "%s\n" "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
-as_fn_append ac_header_list " sys/time.h"
+# Test code for whether the C compiler supports C89 (global declarations)
+ac_c_conftest_c89_globals='
+/* Does the compiler advertise C89 conformance?
+   Do not test the value of __STDC__, because some compilers set it to 0
+   while being otherwise adequately conformant. */
+#if !defined __STDC__
+# error "Compiler does not advertise C89 conformance"
+#endif
+
+#include <stddef.h>
+#include <stdarg.h>
+struct stat;
+/* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
+struct buf { int x; };
+struct buf * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+     char **p;
+     int i;
+{
+  return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+  char *s;
+  va_list v;
+  va_start (v,p);
+  s = g (p, va_arg (v,int));
+  va_end (v);
+  return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not \xHH hex character constants.
+   These do not provoke an error unfortunately, instead are silently treated
+   as an "x".  The following induces an error, until -std is added to get
+   proper ANSI mode.  Curiously \x00 != x always comes out true, for an
+   array size at least.  It is necessary to write \x00 == 0 to get something
+   that is true only with -std.  */
+int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+   inside strings and character constants.  */
+#define FOO(x) '\''x'\''
+int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int),
+               int, int);'
+
+# Test code for whether the C compiler supports C89 (body of main).
+ac_c_conftest_c89_main='
+ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);
+'
+
+# Test code for whether the C compiler supports C99 (global declarations)
+ac_c_conftest_c99_globals='
+// Does the compiler advertise C99 conformance?
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
+# error "Compiler does not advertise C99 conformance"
+#endif
+
+#include <stdbool.h>
+extern int puts (const char *);
+extern int printf (const char *, ...);
+extern int dprintf (int, const char *, ...);
+extern void *malloc (size_t);
+
+// Check varargs macros.  These examples are taken from C99 6.10.3.5.
+// dprintf is used instead of fprintf to avoid needing to declare
+// FILE and stderr.
+#define debug(...) dprintf (2, __VA_ARGS__)
+#define showlist(...) puts (#__VA_ARGS__)
+#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
+static void
+test_varargs_macros (void)
+{
+  int x = 1234;
+  int y = 5678;
+  debug ("Flag");
+  debug ("X = %d\n", x);
+  showlist (The first, second, and third items.);
+  report (x>y, "x is %d but y is %d", x, y);
+}
+
+// Check long long types.
+#define BIG64 18446744073709551615ull
+#define BIG32 4294967295ul
+#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
+#if !BIG_OK
+  #error "your preprocessor is broken"
+#endif
+#if BIG_OK
+#else
+  #error "your preprocessor is broken"
+#endif
+static long long int bignum = -9223372036854775807LL;
+static unsigned long long int ubignum = BIG64;
+
+struct incomplete_array
+{
+  int datasize;
+  double data[];
+};
+
+struct named_init {
+  int number;
+  const wchar_t *name;
+  double average;
+};
+
+typedef const char *ccp;
+
+static inline int
+test_restrict (ccp restrict text)
+{
+  // See if C++-style comments work.
+  // Iterate through items via the restricted pointer.
+  // Also check for declarations in for loops.
+  for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)
+    continue;
+  return 0;
+}
+
+// Check varargs and va_copy.
+static bool
+test_varargs (const char *format, ...)
+{
+  va_list args;
+  va_start (args, format);
+  va_list args_copy;
+  va_copy (args_copy, args);
+
+  const char *str = "";
+  int number = 0;
+  float fnumber = 0;
+
+  while (*format)
+    {
+      switch (*format++)
+	{
+	case '\''s'\'': // string
+	  str = va_arg (args_copy, const char *);
+	  break;
+	case '\''d'\'': // int
+	  number = va_arg (args_copy, int);
+	  break;
+	case '\''f'\'': // float
+	  fnumber = va_arg (args_copy, double);
+	  break;
+	default:
+	  break;
+	}
+    }
+  va_end (args_copy);
+  va_end (args);
+
+  return *str && number && fnumber;
+}
+'
+
+# Test code for whether the C compiler supports C99 (body of main).
+ac_c_conftest_c99_main='
+  // Check bool.
+  _Bool success = false;
+  success |= (argc != 0);
+
+  // Check restrict.
+  if (test_restrict ("String literal") == 0)
+    success = true;
+  char *restrict newvar = "Another string";
+
+  // Check varargs.
+  success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234);
+  test_varargs_macros ();
+
+  // Check flexible array members.
+  struct incomplete_array *ia =
+    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
+  ia->datasize = 10;
+  for (int i = 0; i < ia->datasize; ++i)
+    ia->data[i] = i * 1.234;
+
+  // Check named initializers.
+  struct named_init ni = {
+    .number = 34,
+    .name = L"Test wide string",
+    .average = 543.34343,
+  };
+
+  ni.number = 58;
+
+  int dynamic_array[ni.number];
+  dynamic_array[0] = argv[0][0];
+  dynamic_array[ni.number - 1] = 543;
+
+  // work around unused variable warnings
+  ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\''
+	 || dynamic_array[ni.number - 1] != 543);
+'
+
+# Test code for whether the C compiler supports C11 (global declarations)
+ac_c_conftest_c11_globals='
+// Does the compiler advertise C11 conformance?
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
+# error "Compiler does not advertise C11 conformance"
+#endif
+
+// Check _Alignas.
+char _Alignas (double) aligned_as_double;
+char _Alignas (0) no_special_alignment;
+extern char aligned_as_int;
+char _Alignas (0) _Alignas (int) aligned_as_int;
+
+// Check _Alignof.
+enum
+{
+  int_alignment = _Alignof (int),
+  int_array_alignment = _Alignof (int[100]),
+  char_alignment = _Alignof (char)
+};
+_Static_assert (0 < -_Alignof (int), "_Alignof is signed");
+
+// Check _Noreturn.
+int _Noreturn does_not_return (void) { for (;;) continue; }
+
+// Check _Static_assert.
+struct test_static_assert
+{
+  int x;
+  _Static_assert (sizeof (int) <= sizeof (long int),
+                  "_Static_assert does not work in struct");
+  long int y;
+};
+
+// Check UTF-8 literals.
+#define u8 syntax error!
+char const utf8_literal[] = u8"happens to be ASCII" "another string";
+
+// Check duplicate typedefs.
+typedef long *long_ptr;
+typedef long int *long_ptr;
+typedef long_ptr long_ptr;
+
+// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1.
+struct anonymous
+{
+  union {
+    struct { int i; int j; };
+    struct { int k; long int l; } w;
+  };
+  int m;
+} v1;
+'
+
+# Test code for whether the C compiler supports C11 (body of main).
+ac_c_conftest_c11_main='
+  _Static_assert ((offsetof (struct anonymous, i)
+		   == offsetof (struct anonymous, w.k)),
+		  "Anonymous union alignment botch");
+  v1.i = 2;
+  v1.w.k = 5;
+  ok |= v1.i != 5;
+'
+
+# Test code for whether the C compiler supports C11 (complete).
+ac_c_conftest_c11_program="${ac_c_conftest_c89_globals}
+${ac_c_conftest_c99_globals}
+${ac_c_conftest_c11_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  ${ac_c_conftest_c99_main}
+  ${ac_c_conftest_c11_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C99 (complete).
+ac_c_conftest_c99_program="${ac_c_conftest_c89_globals}
+${ac_c_conftest_c99_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  ${ac_c_conftest_c99_main}
+  return ok;
+}
+"
+
+# Test code for whether the C compiler supports C89 (complete).
+ac_c_conftest_c89_program="${ac_c_conftest_c89_globals}
+
+int
+main (int argc, char **argv)
+{
+  int ok = 0;
+  ${ac_c_conftest_c89_main}
+  return ok;
+}
+"
+
+as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H"
+as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H"
+as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H"
+as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H"
+as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H"
+as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H"
+as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H"
+as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H"
+as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H"
+as_fn_append ac_header_c_list " sys/time.h sys_time_h HAVE_SYS_TIME_H"
 # Check that the precious variables saved in the cache have kept the same
 # value.
 ac_cache_corrupted=false
@@ -2342,12 +2621,12 @@ for ac_var in $ac_precious_vars; do
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
-$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
@@ -2356,24 +2635,24 @@ $as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
 	ac_old_val_w=`echo x $ac_old_val`
 	ac_new_val_w=`echo x $ac_new_val`
 	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
-$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
 	  ac_cache_corrupted=:
 	else
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
 	  eval $ac_var=\$ac_old_val
 	fi
-	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
-$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
-	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
-$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
   if test "$ac_new_set" = set; then
     case $ac_new_val in
-    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
     *) ac_arg=$ac_var=$ac_new_val ;;
     esac
     case " $ac_configure_args " in
@@ -2383,11 +2662,12 @@ $as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
   fi
 done
 if $ac_cache_corrupted; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
-$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
+	    and start over" "$LINENO" 5
 fi
 ## -------------------- ##
 ## Main body of script. ##
@@ -2454,60 +2734,63 @@ TCL_SRC_DIR="`cd "$srcdir"/..; pwd`"
 #------------------------------------------------------------------------
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use symlinks for manpages" >&5
-$as_echo_n "checking whether to use symlinks for manpages... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to use symlinks for manpages" >&5
+printf %s "checking whether to use symlinks for manpages... " >&6; }
     # Check whether --enable-man-symlinks was given.
-if test "${enable_man_symlinks+set}" = set; then :
+if test ${enable_man_symlinks+y}
+then :
   enableval=$enable_man_symlinks; test "$enableval" != "no" && MAN_FLAGS="$MAN_FLAGS --symlinks"
-else
+else $as_nop
   enableval="no"
 fi
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enableval" >&5
-$as_echo "$enableval" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enableval" >&5
+printf "%s\n" "$enableval" >&6; }
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to compress the manpages" >&5
-$as_echo_n "checking whether to compress the manpages... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to compress the manpages" >&5
+printf %s "checking whether to compress the manpages... " >&6; }
     # Check whether --enable-man-compression was given.
-if test "${enable_man_compression+set}" = set; then :
+if test ${enable_man_compression+y}
+then :
   enableval=$enable_man_compression; case $enableval in
 	    yes) as_fn_error $? "missing argument to --enable-man-compression" "$LINENO" 5;;
 	    no)  ;;
 	    *)   MAN_FLAGS="$MAN_FLAGS --compress $enableval";;
 	esac
-else
+else $as_nop
   enableval="no"
 fi
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enableval" >&5
-$as_echo "$enableval" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enableval" >&5
+printf "%s\n" "$enableval" >&6; }
     if test "$enableval" != "no"; then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for compressed file suffix" >&5
-$as_echo_n "checking for compressed file suffix... " >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for compressed file suffix" >&5
+printf %s "checking for compressed file suffix... " >&6; }
 	touch TeST
 	$enableval TeST
 	Z=`ls TeST* | sed 's/^....//'`
 	rm -f TeST*
 	MAN_FLAGS="$MAN_FLAGS --extension $Z"
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $Z" >&5
-$as_echo "$Z" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $Z" >&5
+printf "%s\n" "$Z" >&6; }
     fi
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to add a package name suffix for the manpages" >&5
-$as_echo_n "checking whether to add a package name suffix for the manpages... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to add a package name suffix for the manpages" >&5
+printf %s "checking whether to add a package name suffix for the manpages... " >&6; }
     # Check whether --enable-man-suffix was given.
-if test "${enable_man_suffix+set}" = set; then :
+if test ${enable_man_suffix+y}
+then :
   enableval=$enable_man_suffix; case $enableval in
 	    yes) enableval="tcl" MAN_FLAGS="$MAN_FLAGS --suffix $enableval";;
 	    no)  ;;
 	    *)   MAN_FLAGS="$MAN_FLAGS --suffix $enableval";;
 	esac
-else
+else $as_nop
   enableval="no"
 fi
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enableval" >&5
-$as_echo "$enableval" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enableval" >&5
+printf "%s\n" "$enableval" >&6; }
 
 
 
@@ -2522,6 +2805,15 @@ if test "${CFLAGS+set}" != "set" ; then
     CFLAGS=""
 fi
 
+
+
+
+
+
+
+
+
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -2530,11 +2822,12 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2542,11 +2835,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2557,11 +2854,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2570,11 +2867,12 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
@@ -2582,11 +2880,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2597,11 +2899,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -2609,8 +2911,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2623,11 +2925,12 @@ if test -z "$CC"; then
           if test -n "$ac_tool_prefix"; then
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2635,11 +2938,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2650,11 +2957,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2663,11 +2970,12 @@ fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2676,15 +2984,19 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2700,18 +3012,18 @@ if test $ac_prog_rejected = yes; then
     # However, it has the same basename, so the bogon will be chosen
     # first if we set CC to just the basename; use the full file name.
     shift
-    ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+    ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
   fi
 fi
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2722,11 +3034,12 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
@@ -2734,11 +3047,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2749,11 +3066,11 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2766,11 +3083,12 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
@@ -2778,11 +3096,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -2793,11 +3115,11 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -2809,8 +3131,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2818,25 +3140,129 @@ esac
 fi
 
 fi
+if test -z "$CC"; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args.
+set dummy ${ac_tool_prefix}clang; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_CC="${ac_tool_prefix}clang"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf "%s\n" "$CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+  ac_ct_CC=$CC
+  # Extract the first word of "clang", so it can be a program name with args.
+set dummy clang; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_CC+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -n "$ac_ct_CC"; then
+  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_CC="clang"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf "%s\n" "$ac_ct_CC" >&6; }
+else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+  if test "x$ac_ct_CC" = x; then
+    CC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    CC=$ac_ct_CC
+  fi
+else
+  CC="$ac_cv_prog_CC"
+fi
+
+fi
 
 
-test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
 See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
-for ac_option in --version -v -V -qversion; do
+for ac_option in --version -v -V -qversion -version; do
   { { ac_try="$ac_compiler $ac_option >&5"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -2846,7 +3272,7 @@ $as_echo "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
   fi
   rm -f conftest.er1 conftest.err
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
@@ -2854,7 +3280,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
@@ -2866,9 +3292,9 @@ ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
-$as_echo_n "checking whether the C compiler works... " >&6; }
-ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+printf %s "checking whether the C compiler works... " >&6; }
+ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
 
 # The possible output files:
 ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
@@ -2889,11 +3315,12 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
   # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
 # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
@@ -2910,7 +3337,7 @@ do
 	# certainly right.
 	break;;
     *.* )
-	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no;
 	then :; else
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
@@ -2926,44 +3353,46 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else
+else $as_nop
   ac_file=''
 fi
-if test -z "$ac_file"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-$as_echo "$as_me: failed program was:" >&5
+if test -z "$ac_file"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
 See \`config.log' for more details" "$LINENO" 5; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
-$as_echo_n "checking for C compiler default output file name... " >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
-$as_echo "$ac_file" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+printf %s "checking for C compiler default output file name... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+printf "%s\n" "$ac_file" >&6; }
 ac_exeext=$ac_cv_exeext
 
 rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
-$as_echo_n "checking for suffix of executables... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+printf %s "checking for suffix of executables... " >&6; }
 if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -2977,15 +3406,15 @@ for ac_file in conftest.exe conftest conftest.*; do
     * ) break;;
   esac
 done
-else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
 See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
-$as_echo "$ac_cv_exeext" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+printf "%s\n" "$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
@@ -2994,7 +3423,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 FILE *f = fopen ("conftest.out", "w");
  return ferror (f) || fclose (f) != 0;
@@ -3006,8 +3435,8 @@ _ACEOF
 ac_clean_files="$ac_clean_files conftest.out"
 # Check that the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
-$as_echo_n "checking whether we are cross compiling... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+printf %s "checking whether we are cross compiling... " >&6; }
 if test "$cross_compiling" != yes; then
   { { ac_try="$ac_link"
 case "(($ac_try" in
@@ -3015,10 +3444,10 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
   if { ac_try='./conftest$ac_cv_exeext'
   { { case "(($ac_try" in
@@ -3026,39 +3455,40 @@ $as_echo "$ac_try_echo"; } >&5
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_try") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }; then
     cross_compiling=no
   else
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "cannot run C compiled programs.
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
 See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
-$as_echo "$cross_compiling" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+printf "%s\n" "$cross_compiling" >&6; }
 
 rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
-$as_echo_n "checking for suffix of object files... " >&6; }
-if ${ac_cv_objext+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+printf %s "checking for suffix of object files... " >&6; }
+if test ${ac_cv_objext+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
@@ -3072,11 +3502,12 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+printf "%s\n" "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+then :
   for ac_file in conftest.o conftest.obj conftest.*; do
   test -f "$ac_file" || continue;
   case $ac_file in
@@ -3085,31 +3516,32 @@ $as_echo "$ac_try_echo"; } >&5
        break;;
   esac
 done
-else
-  $as_echo "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
 See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
-$as_echo "$ac_cv_objext" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+printf "%s\n" "$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
-$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if ${ac_cv_c_compiler_gnu+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5
+printf %s "checking whether the compiler supports GNU C... " >&6; }
+if test ${ac_cv_c_compiler_gnu+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 #ifndef __GNUC__
        choke me
@@ -3119,29 +3551,33 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_compiler_gnu=yes
-else
+else $as_nop
   ac_compiler_gnu=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
 if test $ac_compiler_gnu = yes; then
   GCC=yes
 else
   GCC=
 fi
-ac_test_CFLAGS=${CFLAGS+set}
+ac_test_CFLAGS=${CFLAGS+y}
 ac_save_CFLAGS=$CFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
-$as_echo_n "checking whether $CC accepts -g... " >&6; }
-if ${ac_cv_prog_cc_g+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+printf %s "checking whether $CC accepts -g... " >&6; }
+if test ${ac_cv_prog_cc_g+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
@@ -3150,57 +3586,60 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_prog_cc_g=yes
-else
+else $as_nop
   CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
 
-else
+else $as_nop
   ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-$as_echo "$ac_cv_prog_cc_g" >&6; }
-if test "$ac_test_CFLAGS" = set; then
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
+if test $ac_test_CFLAGS; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
   if test "$GCC" = yes; then
@@ -3215,94 +3654,144 @@ else
     CFLAGS=
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
-$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if ${ac_cv_prog_cc_c89+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_prog_cc_c89=no
+ac_prog_cc_stdc=no
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5
+printf %s "checking for $CC option to enable C11 features... " >&6; }
+if test ${ac_cv_prog_cc_c11+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c11=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <stdarg.h>
-#include <stdio.h>
-struct stat;
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
-     int i;
-{
-  return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
-  char *s;
-  va_list v;
-  va_start (v,p);
-  s = g (p, va_arg (v,int));
-  va_end (v);
-  return s;
-}
-
-/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
-   function prototypes and stuff, but not '\xHH' hex character constants.
-   These don't provoke an error unfortunately, instead are silently treated
-   as 'x'.  The following induces an error, until -std is added to get
-   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
-   array size at least.  It's necessary to write '\x00'==0 to get something
-   that's true only with -std.  */
-int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+$ac_c_conftest_c11_program
+_ACEOF
+for ac_arg in '' -std=gnu11
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c11=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c11" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
 
-/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
-   inside strings and character constants.  */
-#define FOO(x) 'x'
-int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+if test "x$ac_cv_prog_cc_c11" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c11" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
+     CC="$CC $ac_cv_prog_cc_c11"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
+  ac_prog_cc_stdc=c11
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5
+printf %s "checking for $CC option to enable C99 features... " >&6; }
+if test ${ac_cv_prog_cc_c99+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c99=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c99_program
+_ACEOF
+for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99=
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c99=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c99" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+fi
 
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;
-int
-main ()
-{
-return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
-  ;
-  return 0;
-}
+if test "x$ac_cv_prog_cc_c99" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c99" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
+     CC="$CC $ac_cv_prog_cc_c99"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
+  ac_prog_cc_stdc=c99
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5
+printf %s "checking for $CC option to enable C89 features... " >&6; }
+if test ${ac_cv_prog_cc_c89+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c89_program
 _ACEOF
-for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
-	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"; then :
+  if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_prog_cc_c89=$ac_arg
 fi
-rm -f core conftest.err conftest.$ac_objext
+rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
 CC=$ac_save_CC
-
 fi
-# AC_CACHE_VAL
-case "x$ac_cv_prog_cc_c89" in
-  x)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-$as_echo "none needed" >&6; } ;;
-  xno)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
-  *)
-    CC="$CC $ac_cv_prog_cc_c89"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
-esac
-if test "x$ac_cv_prog_cc_c89" != xno; then :
 
+if test "x$ac_cv_prog_cc_c89" = xno
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf "%s\n" "unsupported" >&6; }
+else $as_nop
+  if test "x$ac_cv_prog_cc_c89" = x
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf "%s\n" "none needed" >&6; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
+     CC="$CC $ac_cv_prog_cc_c89"
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
+  ac_prog_cc_stdc=c89
+fi
 fi
 
 ac_ext=c
@@ -3312,32 +3801,34 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
-$as_echo_n "checking for inline... " >&6; }
-if ${ac_cv_c_inline+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
+printf %s "checking for inline... " >&6; }
+if test ${ac_cv_c_inline+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifndef __cplusplus
 typedef int foo_t;
-static $ac_kw foo_t static_foo () {return 0; }
-$ac_kw foo_t foo () {return 0; }
+static $ac_kw foo_t static_foo (void) {return 0; }
+$ac_kw foo_t foo (void) {return 0; }
 #endif
 
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_c_inline=$ac_kw
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   test "$ac_cv_c_inline" != no && break
 done
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
-$as_echo "$ac_cv_c_inline" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
+printf "%s\n" "$ac_cv_c_inline" >&6; }
 
 case $ac_cv_c_inline in
   inline | yes) ;;
@@ -3365,45 +3856,70 @@ esac
 # Do this early, otherwise an autoconf bug throws errors on configure
 #--------------------------------------------------------------------
 
+ac_header= ac_cache=
+for ac_item in $ac_header_c_list
+do
+  if test $ac_cache; then
+    ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default"
+    if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then
+      printf "%s\n" "#define $ac_item 1" >> confdefs.h
+    fi
+    ac_header= ac_cache=
+  elif test $ac_header; then
+    ac_cache=$ac_item
+  else
+    ac_header=$ac_item
+  fi
+done
+
+
+
+
+
+
+
+
+if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes
+then :
+
+printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
+
+fi
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
-$as_echo_n "checking how to run the C preprocessor... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+printf %s "checking how to run the C preprocessor... " >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if ${ac_cv_prog_CPP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-      # Double quotes because CPP needs to be expanded
-    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+  if test ${ac_cv_prog_CPP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+      # Double quotes because $CC needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" cpp /lib/cpp
     do
       ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
+#include <limits.h>
 		     Syntax error
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if ac_fn_c_try_cpp "$LINENO"
+then :
 
-else
+else $as_nop
   # Broken: fails on valid input.
 continue
 fi
@@ -3415,10 +3931,11 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if ac_fn_c_try_cpp "$LINENO"
+then :
   # Broken: success on invalid input.
 continue
-else
+else $as_nop
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -3428,7 +3945,8 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
+if $ac_preproc_ok
+then :
   break
 fi
 
@@ -3440,29 +3958,24 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
-$as_echo "$CPP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+printf "%s\n" "$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
+#include <limits.h>
 		     Syntax error
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if ac_fn_c_try_cpp "$LINENO"
+then :
 
-else
+else $as_nop
   # Broken: fails on valid input.
 continue
 fi
@@ -3474,10 +3987,11 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if ac_fn_c_try_cpp "$LINENO"
+then :
   # Broken: success on invalid input.
 continue
-else
+else $as_nop
   # Passes both tests.
 ac_preproc_ok=:
 break
@@ -3487,11 +4001,12 @@ rm -f conftest.err conftest.i conftest.$ac_ext
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
+if $ac_preproc_ok
+then :
 
-else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
 See \`config.log' for more details" "$LINENO" 5; }
 fi
@@ -3503,11 +4018,12 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+printf %s "checking for grep that handles long lines and -e... " >&6; }
+if test ${ac_cv_path_GREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -z "$GREP"; then
   ac_path_GREP_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
@@ -3515,10 +4031,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in grep ggrep; do
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in grep ggrep
+   do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
@@ -3527,13 +4048,13 @@ case `"$ac_path_GREP" --version 2>&1` in
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
+    printf "%s\n" 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -3561,16 +4082,17 @@ else
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+printf "%s\n" "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+printf %s "checking for egrep... " >&6; }
+if test ${ac_cv_path_EGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
@@ -3581,10 +4103,15 @@ else
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in egrep; do
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in egrep
+   do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
       as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
@@ -3593,13 +4120,13 @@ case `"$ac_path_EGREP" --version 2>&1` in
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  printf %s 0123456789 >"conftest.in"
   while :
   do
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'EGREP' >> "conftest.nl"
+    printf "%s\n" 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
@@ -3628,161 +4155,33 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+printf "%s\n" "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_header_stdc=yes
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then :
-  :
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-		   (('a' <= (c) && (c) <= 'i') \
-		     || ('j' <= (c) && (c) <= 'r') \
-		     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-	|| toupper (i) != TOUPPER (i))
-      return 2;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
-
-fi
-
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-		  inttypes.h stdint.h unistd.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
-"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-
 
-    ac_fn_c_check_header_mongrel "$LINENO" "string.h" "ac_cv_header_string_h" "$ac_includes_default"
-if test "x$ac_cv_header_string_h" = xyes; then :
+    ac_fn_c_check_header_compile "$LINENO" "string.h" "ac_cv_header_string_h" "$ac_includes_default"
+if test "x$ac_cv_header_string_h" = xyes
+then :
   tcl_ok=1
-else
+else $as_nop
   tcl_ok=0
 fi
 
-
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <string.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "strstr" >/dev/null 2>&1; then :
+  $EGREP "strstr" >/dev/null 2>&1
+then :
 
-else
+else $as_nop
   tcl_ok=0
 fi
-rm -f conftest*
+rm -rf conftest*
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -3790,12 +4189,13 @@ rm -f conftest*
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "strerror" >/dev/null 2>&1; then :
+  $EGREP "strerror" >/dev/null 2>&1
+then :
 
-else
+else $as_nop
   tcl_ok=0
 fi
-rm -f conftest*
+rm -rf conftest*
 
 
     # See also memmove check below for a place where NO_STRING_H can be
@@ -3803,44 +4203,39 @@ rm -f conftest*
 
     if test $tcl_ok = 0; then
 
-$as_echo "#define NO_STRING_H 1" >>confdefs.h
+printf "%s\n" "#define NO_STRING_H 1" >>confdefs.h
 
     fi
 
-    ac_fn_c_check_header_mongrel "$LINENO" "sys/wait.h" "ac_cv_header_sys_wait_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_wait_h" = xyes; then :
+    ac_fn_c_check_header_compile "$LINENO" "sys/wait.h" "ac_cv_header_sys_wait_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_wait_h" = xyes
+then :
 
-else
+else $as_nop
 
-$as_echo "#define NO_SYS_WAIT_H 1" >>confdefs.h
+printf "%s\n" "#define NO_SYS_WAIT_H 1" >>confdefs.h
 
 fi
 
+    ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default"
+if test "x$ac_cv_header_dlfcn_h" = xyes
+then :
 
-    ac_fn_c_check_header_mongrel "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default"
-if test "x$ac_cv_header_dlfcn_h" = xyes; then :
-
-else
+else $as_nop
 
-$as_echo "#define NO_DLFCN_H 1" >>confdefs.h
+printf "%s\n" "#define NO_DLFCN_H 1" >>confdefs.h
 
 fi
 
 
-
     # OS/390 lacks sys/param.h (and doesn't need it, by chance).
-    for ac_header in sys/param.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/param.h" "ac_cv_header_sys_param_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_param_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_PARAM_H 1
-_ACEOF
+    ac_fn_c_check_header_compile "$LINENO" "sys/param.h" "ac_cv_header_sys_param_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_param_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_PARAM_H 1" >>confdefs.h
 
 fi
 
-done
-
 
 
 #--------------------------------------------------------------------
@@ -3855,34 +4250,36 @@ done
 #------------------------------------------------------------------------
 
 if test -z "$no_pipe" && test -n "$GCC"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the compiler understands -pipe" >&5
-$as_echo_n "checking if the compiler understands -pipe... " >&6; }
-if ${tcl_cv_cc_pipe+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if the compiler understands -pipe" >&5
+printf %s "checking if the compiler understands -pipe... " >&6; }
+if test ${tcl_cv_cc_pipe+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -pipe"
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_cc_pipe=yes
-else
+else $as_nop
   tcl_cv_cc_pipe=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CFLAGS=$hold_cflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_pipe" >&5
-$as_echo "$tcl_cv_cc_pipe" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_pipe" >&5
+printf "%s\n" "$tcl_cv_cc_pipe" >&6; }
     if test $tcl_cv_cc_pipe = yes; then
 	CFLAGS="$CFLAGS -pipe"
     fi
@@ -3895,20 +4292,19 @@ fi
 
 
 # Check whether --with-encoding was given.
-if test "${with_encoding+set}" = set; then :
+if test ${with_encoding+y}
+then :
   withval=$with_encoding; with_tcencoding=${withval}
 fi
 
 
     if test x"${with_tcencoding}" != x ; then
 
-cat >>confdefs.h <<_ACEOF
-#define TCL_CFGVAL_ENCODING "${with_tcencoding}"
-_ACEOF
+printf "%s\n" "#define TCL_CFGVAL_ENCODING \"${with_tcencoding}\"" >>confdefs.h
 
     else
 
-$as_echo "#define TCL_CFGVAL_ENCODING \"utf-8\"" >>confdefs.h
+printf "%s\n" "#define TCL_CFGVAL_ENCODING \"utf-8\"" >>confdefs.h
 
     fi
 
@@ -3917,6 +4313,86 @@ $as_echo "#define TCL_CFGVAL_ENCODING \"utf-8\"" >>confdefs.h
 # Look for libraries that we will need when compiling the Tcl shell
 #--------------------------------------------------------------------
 
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5
+printf %s "checking for $CC options needed to detect all undeclared functions... " >&6; }
+if test ${ac_cv_c_undeclared_builtin_options+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_save_CFLAGS=$CFLAGS
+   ac_cv_c_undeclared_builtin_options='cannot detect'
+   for ac_arg in '' -fno-builtin; do
+     CFLAGS="$ac_save_CFLAGS $ac_arg"
+     # This test program should *not* compile successfully.
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+(void) strchr;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+else $as_nop
+  # This test program should compile successfully.
+        # No library function is consistently available on
+        # freestanding implementations, so test against a dummy
+        # declaration.  Include always-available headers on the
+        # off chance that they somehow elicit warnings.
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <float.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stddef.h>
+extern void ac_decl (int, char *);
+
+int
+main (void)
+{
+(void) ac_decl (0, (char *) 0);
+  (void) ac_decl;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  if test x"$ac_arg" = x
+then :
+  ac_cv_c_undeclared_builtin_options='none needed'
+else $as_nop
+  ac_cv_c_undeclared_builtin_options=$ac_arg
+fi
+          break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+    done
+    CFLAGS=$ac_save_CFLAGS
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_undeclared_builtin_options" >&5
+printf "%s\n" "$ac_cv_c_undeclared_builtin_options" >&6; }
+  case $ac_cv_c_undeclared_builtin_options in #(
+  'cannot detect') :
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot make $CC report undeclared builtins
+See \`config.log' for more details" "$LINENO" 5; } ;; #(
+  'none needed') :
+    ac_c_undeclared_builtin_options='' ;; #(
+  *) :
+    ac_c_undeclared_builtin_options=$ac_cv_c_undeclared_builtin_options ;;
+esac
+
 
     #--------------------------------------------------------------------
     # On a few very rare systems, all of the libm.a stuff is
@@ -3924,9 +4400,10 @@ $as_echo "#define TCL_CFGVAL_ENCODING \"utf-8\"" >>confdefs.h
     #--------------------------------------------------------------------
 
     ac_fn_c_check_func "$LINENO" "sin" "ac_cv_func_sin"
-if test "x$ac_cv_func_sin" = xyes; then :
+if test "x$ac_cv_func_sin" = xyes
+then :
   MATH_LIBS=""
-else
+else $as_nop
   MATH_LIBS="-lm"
 fi
 
@@ -3936,11 +4413,12 @@ fi
     # needs net/errno.h to define the socket-related error codes.
     #--------------------------------------------------------------------
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -linet" >&5
-$as_echo_n "checking for main in -linet... " >&6; }
-if ${ac_cv_lib_inet_main+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -linet" >&5
+printf %s "checking for main in -linet... " >&6; }
+if test ${ac_cv_lib_inet_main+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-linet  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3948,38 +4426,40 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 
 
 int
-main ()
+main (void)
 {
 return main ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_inet_main=yes
-else
+else $as_nop
   ac_cv_lib_inet_main=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_inet_main" >&5
-$as_echo "$ac_cv_lib_inet_main" >&6; }
-if test "x$ac_cv_lib_inet_main" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_inet_main" >&5
+printf "%s\n" "$ac_cv_lib_inet_main" >&6; }
+if test "x$ac_cv_lib_inet_main" = xyes
+then :
   LIBS="$LIBS -linet"
 fi
 
-    ac_fn_c_check_header_mongrel "$LINENO" "net/errno.h" "ac_cv_header_net_errno_h" "$ac_includes_default"
-if test "x$ac_cv_header_net_errno_h" = xyes; then :
+    ac_fn_c_check_header_compile "$LINENO" "net/errno.h" "ac_cv_header_net_errno_h" "$ac_includes_default"
+if test "x$ac_cv_header_net_errno_h" = xyes
+then :
 
 
-$as_echo "#define HAVE_NET_ERRNO_H 1" >>confdefs.h
+printf "%s\n" "#define HAVE_NET_ERRNO_H 1" >>confdefs.h
 
 fi
 
 
-
     #--------------------------------------------------------------------
     #	Check for the existence of the -lsocket and -lnsl libraries.
     #	The order here is important, so that they end up in the right
@@ -4000,22 +4480,25 @@ fi
 
     tcl_checkBoth=0
     ac_fn_c_check_func "$LINENO" "connect" "ac_cv_func_connect"
-if test "x$ac_cv_func_connect" = xyes; then :
+if test "x$ac_cv_func_connect" = xyes
+then :
   tcl_checkSocket=0
-else
+else $as_nop
   tcl_checkSocket=1
 fi
 
     if test "$tcl_checkSocket" = 1; then
 	ac_fn_c_check_func "$LINENO" "setsockopt" "ac_cv_func_setsockopt"
-if test "x$ac_cv_func_setsockopt" = xyes; then :
-
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for setsockopt in -lsocket" >&5
-$as_echo_n "checking for setsockopt in -lsocket... " >&6; }
-if ${ac_cv_lib_socket_setsockopt+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+if test "x$ac_cv_func_setsockopt" = xyes
+then :
+
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for setsockopt in -lsocket" >&5
+printf %s "checking for setsockopt in -lsocket... " >&6; }
+if test ${ac_cv_lib_socket_setsockopt+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4024,32 +4507,31 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char setsockopt ();
 int
-main ()
+main (void)
 {
 return setsockopt ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_socket_setsockopt=yes
-else
+else $as_nop
   ac_cv_lib_socket_setsockopt=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_setsockopt" >&5
-$as_echo "$ac_cv_lib_socket_setsockopt" >&6; }
-if test "x$ac_cv_lib_socket_setsockopt" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_setsockopt" >&5
+printf "%s\n" "$ac_cv_lib_socket_setsockopt" >&6; }
+if test "x$ac_cv_lib_socket_setsockopt" = xyes
+then :
   LIBS="$LIBS -lsocket"
-else
+else $as_nop
   tcl_checkBoth=1
 fi
 
@@ -4060,22 +4542,25 @@ fi
 	tk_oldLibs=$LIBS
 	LIBS="$LIBS -lsocket -lnsl"
 	ac_fn_c_check_func "$LINENO" "accept" "ac_cv_func_accept"
-if test "x$ac_cv_func_accept" = xyes; then :
+if test "x$ac_cv_func_accept" = xyes
+then :
   tcl_checkNsl=0
-else
+else $as_nop
   LIBS=$tk_oldLibs
 fi
 
     fi
     ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
-if test "x$ac_cv_func_gethostbyname" = xyes; then :
-
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lnsl" >&5
-$as_echo_n "checking for gethostbyname in -lnsl... " >&6; }
-if ${ac_cv_lib_nsl_gethostbyname+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+if test "x$ac_cv_func_gethostbyname" = xyes
+then :
+
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lnsl" >&5
+printf %s "checking for gethostbyname in -lnsl... " >&6; }
+if test ${ac_cv_lib_nsl_gethostbyname+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lnsl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4084,30 +4569,29 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char gethostbyname ();
 int
-main ()
+main (void)
 {
 return gethostbyname ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_nsl_gethostbyname=yes
-else
+else $as_nop
   ac_cv_lib_nsl_gethostbyname=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_gethostbyname" >&5
-$as_echo "$ac_cv_lib_nsl_gethostbyname" >&6; }
-if test "x$ac_cv_lib_nsl_gethostbyname" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_gethostbyname" >&5
+printf "%s\n" "$ac_cv_lib_nsl_gethostbyname" >&6; }
+if test "x$ac_cv_lib_nsl_gethostbyname" = xyes
+then :
   LIBS="$LIBS -lnsl"
 fi
 
@@ -4115,16 +4599,17 @@ fi
 
 
 
-$as_echo "#define _REENTRANT 1" >>confdefs.h
+printf "%s\n" "#define _REENTRANT 1" >>confdefs.h
 
 
-$as_echo "#define _THREAD_SAFE 1" >>confdefs.h
+printf "%s\n" "#define _THREAD_SAFE 1" >>confdefs.h
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lpthread" >&5
-$as_echo_n "checking for pthread_mutex_init in -lpthread... " >&6; }
-if ${ac_cv_lib_pthread_pthread_mutex_init+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lpthread" >&5
+printf %s "checking for pthread_mutex_init in -lpthread... " >&6; }
+if test ${ac_cv_lib_pthread_pthread_mutex_init+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lpthread  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4133,32 +4618,31 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char pthread_mutex_init ();
 int
-main ()
+main (void)
 {
 return pthread_mutex_init ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_pthread_pthread_mutex_init=yes
-else
+else $as_nop
   ac_cv_lib_pthread_pthread_mutex_init=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_mutex_init" >&5
-$as_echo "$ac_cv_lib_pthread_pthread_mutex_init" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_mutex_init" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_mutex_init" >&5
+printf "%s\n" "$ac_cv_lib_pthread_pthread_mutex_init" >&6; }
+if test "x$ac_cv_lib_pthread_pthread_mutex_init" = xyes
+then :
   tcl_ok=yes
-else
+else $as_nop
   tcl_ok=no
 fi
 
@@ -4168,11 +4652,12 @@ fi
 	# defined.  We could alternatively do an AC_TRY_COMPILE with
 	# pthread.h, but that will work with libpthread really doesn't
 	# exist, like AIX 4.2.  [Bug: 4359]
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __pthread_mutex_init in -lpthread" >&5
-$as_echo_n "checking for __pthread_mutex_init in -lpthread... " >&6; }
-if ${ac_cv_lib_pthread___pthread_mutex_init+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __pthread_mutex_init in -lpthread" >&5
+printf %s "checking for __pthread_mutex_init in -lpthread... " >&6; }
+if test ${ac_cv_lib_pthread___pthread_mutex_init+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lpthread  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4181,32 +4666,31 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char __pthread_mutex_init ();
 int
-main ()
+main (void)
 {
 return __pthread_mutex_init ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_pthread___pthread_mutex_init=yes
-else
+else $as_nop
   ac_cv_lib_pthread___pthread_mutex_init=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread___pthread_mutex_init" >&5
-$as_echo "$ac_cv_lib_pthread___pthread_mutex_init" >&6; }
-if test "x$ac_cv_lib_pthread___pthread_mutex_init" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread___pthread_mutex_init" >&5
+printf "%s\n" "$ac_cv_lib_pthread___pthread_mutex_init" >&6; }
+if test "x$ac_cv_lib_pthread___pthread_mutex_init" = xyes
+then :
   tcl_ok=yes
-else
+else $as_nop
   tcl_ok=no
 fi
 
@@ -4216,11 +4700,12 @@ fi
 	# The space is needed
 	THREADS_LIBS=" -lpthread"
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lpthreads" >&5
-$as_echo_n "checking for pthread_mutex_init in -lpthreads... " >&6; }
-if ${ac_cv_lib_pthreads_pthread_mutex_init+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lpthreads" >&5
+printf %s "checking for pthread_mutex_init in -lpthreads... " >&6; }
+if test ${ac_cv_lib_pthreads_pthread_mutex_init+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lpthreads  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4229,32 +4714,31 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char pthread_mutex_init ();
 int
-main ()
+main (void)
 {
 return pthread_mutex_init ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_pthreads_pthread_mutex_init=yes
-else
+else $as_nop
   ac_cv_lib_pthreads_pthread_mutex_init=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthreads_pthread_mutex_init" >&5
-$as_echo "$ac_cv_lib_pthreads_pthread_mutex_init" >&6; }
-if test "x$ac_cv_lib_pthreads_pthread_mutex_init" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthreads_pthread_mutex_init" >&5
+printf "%s\n" "$ac_cv_lib_pthreads_pthread_mutex_init" >&6; }
+if test "x$ac_cv_lib_pthreads_pthread_mutex_init" = xyes
+then :
   _ok=yes
-else
+else $as_nop
   tcl_ok=no
 fi
 
@@ -4262,11 +4746,12 @@ fi
 	    # The space is needed
 	    THREADS_LIBS=" -lpthreads"
 	else
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lc" >&5
-$as_echo_n "checking for pthread_mutex_init in -lc... " >&6; }
-if ${ac_cv_lib_c_pthread_mutex_init+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lc" >&5
+printf %s "checking for pthread_mutex_init in -lc... " >&6; }
+if test ${ac_cv_lib_c_pthread_mutex_init+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4275,41 +4760,41 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char pthread_mutex_init ();
 int
-main ()
+main (void)
 {
 return pthread_mutex_init ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_c_pthread_mutex_init=yes
-else
+else $as_nop
   ac_cv_lib_c_pthread_mutex_init=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_pthread_mutex_init" >&5
-$as_echo "$ac_cv_lib_c_pthread_mutex_init" >&6; }
-if test "x$ac_cv_lib_c_pthread_mutex_init" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_pthread_mutex_init" >&5
+printf "%s\n" "$ac_cv_lib_c_pthread_mutex_init" >&6; }
+if test "x$ac_cv_lib_c_pthread_mutex_init" = xyes
+then :
   tcl_ok=yes
-else
+else $as_nop
   tcl_ok=no
 fi
 
 	    if test "$tcl_ok" = "no"; then
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lc_r" >&5
-$as_echo_n "checking for pthread_mutex_init in -lc_r... " >&6; }
-if ${ac_cv_lib_c_r_pthread_mutex_init+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_mutex_init in -lc_r" >&5
+printf %s "checking for pthread_mutex_init in -lc_r... " >&6; }
+if test ${ac_cv_lib_c_r_pthread_mutex_init+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc_r  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4318,32 +4803,31 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char pthread_mutex_init ();
 int
-main ()
+main (void)
 {
 return pthread_mutex_init ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_c_r_pthread_mutex_init=yes
-else
+else $as_nop
   ac_cv_lib_c_r_pthread_mutex_init=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_r_pthread_mutex_init" >&5
-$as_echo "$ac_cv_lib_c_r_pthread_mutex_init" >&6; }
-if test "x$ac_cv_lib_c_r_pthread_mutex_init" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_r_pthread_mutex_init" >&5
+printf "%s\n" "$ac_cv_lib_c_r_pthread_mutex_init" >&6; }
+if test "x$ac_cv_lib_c_r_pthread_mutex_init" = xyes
+then :
   tcl_ok=yes
-else
+else $as_nop
   tcl_ok=no
 fi
 
@@ -4351,8 +4835,8 @@ fi
 		    # The space is needed
 		    THREADS_LIBS=" -pthread"
 		else
-		    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Don't know how to find pthread lib on your system - you must edit the LIBS in the Makefile..." >&5
-$as_echo "$as_me: WARNING: Don't know how to find pthread lib on your system - you must edit the LIBS in the Makefile..." >&2;}
+		    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Don't know how to find pthread lib on your system - you must edit the LIBS in the Makefile..." >&5
+printf "%s\n" "$as_me: WARNING: Don't know how to find pthread lib on your system - you must edit the LIBS in the Makefile..." >&2;}
 		fi
 	    fi
 	fi
@@ -4363,35 +4847,35 @@ $as_echo "$as_me: WARNING: Don't know how to find pthread lib on your system - y
 
     ac_saved_libs=$LIBS
     LIBS="$LIBS $THREADS_LIBS"
-    for ac_func in pthread_attr_setstacksize pthread_atfork
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+    ac_fn_c_check_func "$LINENO" "pthread_attr_setstacksize" "ac_cv_func_pthread_attr_setstacksize"
+if test "x$ac_cv_func_pthread_attr_setstacksize" = xyes
+then :
+  printf "%s\n" "#define HAVE_PTHREAD_ATTR_SETSTACKSIZE 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "pthread_atfork" "ac_cv_func_pthread_atfork"
+if test "x$ac_cv_func_pthread_atfork" = xyes
+then :
+  printf "%s\n" "#define HAVE_PTHREAD_ATFORK 1" >>confdefs.h
 
 fi
-done
 
     LIBS=$ac_saved_libs
 
     # TIP #509
-    ac_fn_c_check_decl "$LINENO" "PTHREAD_MUTEX_RECURSIVE" "ac_cv_have_decl_PTHREAD_MUTEX_RECURSIVE" "#include <pthread.h>
-"
-if test "x$ac_cv_have_decl_PTHREAD_MUTEX_RECURSIVE" = xyes; then :
+    ac_fn_check_decl "$LINENO" "PTHREAD_MUTEX_RECURSIVE" "ac_cv_have_decl_PTHREAD_MUTEX_RECURSIVE" "#include <pthread.h>
+" "$ac_c_undeclared_builtin_options" "CFLAGS"
+if test "x$ac_cv_have_decl_PTHREAD_MUTEX_RECURSIVE" = xyes
+then :
   ac_have_decl=1
-else
+else $as_nop
   ac_have_decl=0
 fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_PTHREAD_MUTEX_RECURSIVE $ac_have_decl
-_ACEOF
-if test $ac_have_decl = 1; then :
+printf "%s\n" "#define HAVE_DECL_PTHREAD_MUTEX_RECURSIVE $ac_have_decl" >>confdefs.h
+if test $ac_have_decl = 1
+then :
   tcl_ok=yes
-else
+else $as_nop
   tcl_ok=no
 fi
 
@@ -4401,25 +4885,26 @@ fi
 LIBS="$LIBS$THREADS_LIBS"
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to build libraries" >&5
-$as_echo_n "checking how to build libraries... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to build libraries" >&5
+printf %s "checking how to build libraries... " >&6; }
     # Check whether --enable-shared was given.
-if test "${enable_shared+set}" = set; then :
+if test ${enable_shared+y}
+then :
   enableval=$enable_shared; tcl_ok=$enableval
-else
+else $as_nop
   tcl_ok=yes
 fi
 
     if test "$tcl_ok" = "yes" ; then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: shared" >&5
-$as_echo "shared" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: shared" >&5
+printf "%s\n" "shared" >&6; }
 	SHARED_BUILD=1
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: static" >&5
-$as_echo "static" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: static" >&5
+printf "%s\n" "static" >&6; }
 	SHARED_BUILD=0
 
-$as_echo "#define STATIC_BUILD 1" >>confdefs.h
+printf "%s\n" "#define STATIC_BUILD 1" >>confdefs.h
 
     fi
 
@@ -4432,11 +4917,12 @@ $as_echo "#define STATIC_BUILD 1" >>confdefs.h
 #--------------------------------------------------------------------
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tclsh" >&5
-$as_echo_n "checking for tclsh... " >&6; }
-    if ${ac_cv_path_tclsh+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for tclsh" >&5
+printf %s "checking for tclsh... " >&6; }
+    if test ${ac_cv_path_tclsh+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	search_path=`echo ${PATH} | sed -e 's/:/ /g'`
 	for dir in $search_path ; do
@@ -4456,13 +4942,13 @@ fi
 
     if test -f "$ac_cv_path_tclsh" ; then
 	TCLSH_PROG="$ac_cv_path_tclsh"
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $TCLSH_PROG" >&5
-$as_echo "$TCLSH_PROG" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $TCLSH_PROG" >&5
+printf "%s\n" "$TCLSH_PROG" >&6; }
     else
 	# It is not an error if an installed version of Tcl can't be located.
 	TCLSH_PROG=""
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: No tclsh found on PATH" >&5
-$as_echo "No tclsh found on PATH" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: No tclsh found on PATH" >&5
+printf "%s\n" "No tclsh found on PATH" >&6; }
     fi
 
 
@@ -4475,30 +4961,33 @@ fi
 #------------------------------------------------------------------------
 
 zlib_ok=yes
-ac_fn_c_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_zlib_h" = xyes; then :
+ac_fn_c_check_header_compile "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default"
+if test "x$ac_cv_header_zlib_h" = xyes
+then :
 
   ac_fn_c_check_type "$LINENO" "gz_header" "ac_cv_type_gz_header" "#include <zlib.h>
 "
-if test "x$ac_cv_type_gz_header" = xyes; then :
+if test "x$ac_cv_type_gz_header" = xyes
+then :
 
-else
+else $as_nop
   zlib_ok=no
 fi
 
-else
+else $as_nop
 
   zlib_ok=no
 fi
 
+if test $zlib_ok = yes
+then :
 
-if test $zlib_ok = yes; then :
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing deflateSetHeader" >&5
-$as_echo_n "checking for library containing deflateSetHeader... " >&6; }
-if ${ac_cv_search_deflateSetHeader+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing deflateSetHeader" >&5
+printf %s "checking for library containing deflateSetHeader... " >&6; }
+if test ${ac_cv_search_deflateSetHeader+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4506,56 +4995,59 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char deflateSetHeader ();
 int
-main ()
+main (void)
 {
 return deflateSetHeader ();
   ;
   return 0;
 }
 _ACEOF
-for ac_lib in '' z; do
+for ac_lib in '' z
+do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  if ac_fn_c_try_link "$LINENO"; then :
+  if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_search_deflateSetHeader=$ac_res
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext
-  if ${ac_cv_search_deflateSetHeader+:} false; then :
+  if test ${ac_cv_search_deflateSetHeader+y}
+then :
   break
 fi
 done
-if ${ac_cv_search_deflateSetHeader+:} false; then :
+if test ${ac_cv_search_deflateSetHeader+y}
+then :
 
-else
+else $as_nop
   ac_cv_search_deflateSetHeader=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_deflateSetHeader" >&5
-$as_echo "$ac_cv_search_deflateSetHeader" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_deflateSetHeader" >&5
+printf "%s\n" "$ac_cv_search_deflateSetHeader" >&6; }
 ac_res=$ac_cv_search_deflateSetHeader
-if test "$ac_res" != no; then :
+if test "$ac_res" != no
+then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else
+else $as_nop
 
     zlib_ok=no
 
 fi
 
 fi
-if test $zlib_ok = no; then :
+if test $zlib_ok = no
+then :
 
   ZLIB_OBJS=\${ZLIB_OBJS}
 
@@ -4566,7 +5058,7 @@ if test $zlib_ok = no; then :
 
 fi
 
-$as_echo "#define HAVE_ZLIB 1" >>confdefs.h
+printf "%s\n" "#define HAVE_ZLIB 1" >>confdefs.h
 
 
 #------------------------------------------------------------------------
@@ -4575,35 +5067,39 @@ $as_echo "#define HAVE_ZLIB 1" >>confdefs.h
 libtommath_ok=yes
 
 # Check whether --with-system-libtommath was given.
-if test "${with_system_libtommath+set}" = set; then :
+if test ${with_system_libtommath+y}
+then :
   withval=$with_system_libtommath; libtommath_ok=${withval}
 fi
 
 if test x"${libtommath_ok}" = x -o x"${libtommath_ok}" != xno; then
-    ac_fn_c_check_header_mongrel "$LINENO" "tommath.h" "ac_cv_header_tommath_h" "$ac_includes_default"
-if test "x$ac_cv_header_tommath_h" = xyes; then :
+    ac_fn_c_check_header_compile "$LINENO" "tommath.h" "ac_cv_header_tommath_h" "$ac_includes_default"
+if test "x$ac_cv_header_tommath_h" = xyes
+then :
 
 	ac_fn_c_check_type "$LINENO" "mp_int" "ac_cv_type_mp_int" "#include <tommath.h>
 "
-if test "x$ac_cv_type_mp_int" = xyes; then :
+if test "x$ac_cv_type_mp_int" = xyes
+then :
 
-else
+else $as_nop
   libtommath_ok=no
 fi
 
-else
+else $as_nop
 
 	libtommath_ok=no
 fi
 
+    if test $libtommath_ok = yes
+then :
 
-    if test $libtommath_ok = yes; then :
-
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for mp_log_u32 in -ltommath" >&5
-$as_echo_n "checking for mp_log_u32 in -ltommath... " >&6; }
-if ${ac_cv_lib_tommath_mp_log_u32+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for mp_log_u32 in -ltommath" >&5
+printf %s "checking for mp_log_u32 in -ltommath... " >&6; }
+if test ${ac_cv_lib_tommath_mp_log_u32+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ltommath  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4612,49 +5108,49 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char mp_log_u32 ();
 int
-main ()
+main (void)
 {
 return mp_log_u32 ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_tommath_mp_log_u32=yes
-else
+else $as_nop
   ac_cv_lib_tommath_mp_log_u32=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tommath_mp_log_u32" >&5
-$as_echo "$ac_cv_lib_tommath_mp_log_u32" >&6; }
-if test "x$ac_cv_lib_tommath_mp_log_u32" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tommath_mp_log_u32" >&5
+printf "%s\n" "$ac_cv_lib_tommath_mp_log_u32" >&6; }
+if test "x$ac_cv_lib_tommath_mp_log_u32" = xyes
+then :
   MATH_LIBS="$MATH_LIBS -ltommath"
-else
+else $as_nop
 
     libtommath_ok=no
 fi
 
 fi
 fi
-if test $libtommath_ok = yes; then :
+if test $libtommath_ok = yes
+then :
 
   TCL_PC_REQUIRES_PRIVATE='libtommath >= 1.2.0,'
 
   TCL_PC_CFLAGS='-DTCL_WITH_EXTERNAL_TOMMATH'
 
 
-$as_echo "#define TCL_WITH_EXTERNAL_TOMMATH 1" >>confdefs.h
+printf "%s\n" "#define TCL_WITH_EXTERNAL_TOMMATH 1" >>confdefs.h
 
 
-else
+else $as_nop
 
   TOMMATH_OBJS=\${TOMMATH_OBJS}
 
@@ -4674,11 +5170,12 @@ fi
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_RANLIB+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_RANLIB+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
@@ -4686,11 +5183,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4701,11 +5202,11 @@ fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
-$as_echo "$RANLIB" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
+printf "%s\n" "$RANLIB" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -4714,11 +5215,12 @@ if test -z "$ac_cv_prog_RANLIB"; then
   ac_ct_RANLIB=$RANLIB
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_RANLIB+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ac_ct_RANLIB"; then
   ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
 else
@@ -4726,11 +5228,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_RANLIB="ranlib"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -4741,11 +5247,11 @@ fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
-$as_echo "$ac_ct_RANLIB" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
+printf "%s\n" "$ac_ct_RANLIB" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_RANLIB" = x; then
@@ -4753,8 +5259,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     RANLIB=$ac_ct_RANLIB
@@ -4767,44 +5273,48 @@ fi
 
     # Step 0.a: Enable 64 bit support?
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if 64bit support is requested" >&5
-$as_echo_n "checking if 64bit support is requested... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if 64bit support is requested" >&5
+printf %s "checking if 64bit support is requested... " >&6; }
     # Check whether --enable-64bit was given.
-if test "${enable_64bit+set}" = set; then :
+if test ${enable_64bit+y}
+then :
   enableval=$enable_64bit; do64bit=$enableval
-else
+else $as_nop
   do64bit=no
 fi
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $do64bit" >&5
-$as_echo "$do64bit" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $do64bit" >&5
+printf "%s\n" "$do64bit" >&6; }
 
     # Step 0.b: Enable Solaris 64 bit VIS support?
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if 64bit Sparc VIS support is requested" >&5
-$as_echo_n "checking if 64bit Sparc VIS support is requested... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if 64bit Sparc VIS support is requested" >&5
+printf %s "checking if 64bit Sparc VIS support is requested... " >&6; }
     # Check whether --enable-64bit-vis was given.
-if test "${enable_64bit_vis+set}" = set; then :
+if test ${enable_64bit_vis+y}
+then :
   enableval=$enable_64bit_vis; do64bitVIS=$enableval
-else
+else $as_nop
   do64bitVIS=no
 fi
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $do64bitVIS" >&5
-$as_echo "$do64bitVIS" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $do64bitVIS" >&5
+printf "%s\n" "$do64bitVIS" >&6; }
     # Force 64bit on with VIS
-    if test "$do64bitVIS" = "yes"; then :
+    if test "$do64bitVIS" = "yes"
+then :
   do64bit=yes
 fi
 
     # Step 0.c: Check if visibility support is available. Do this here so
     # that platform specific alternatives can be used below if this fails.
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler supports visibility \"hidden\"" >&5
-$as_echo_n "checking if compiler supports visibility \"hidden\"... " >&6; }
-if ${tcl_cv_cc_visibility_hidden+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler supports visibility \"hidden\"" >&5
+printf %s "checking if compiler supports visibility \"hidden\"... " >&6; }
+if test ${tcl_cv_cc_visibility_hidden+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4813,66 +5323,70 @@ else
 	    extern __attribute__((__visibility__("hidden"))) void f(void);
 	    void f(void) {}
 int
-main ()
+main (void)
 {
 f();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_cc_visibility_hidden=yes
-else
+else $as_nop
   tcl_cv_cc_visibility_hidden=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 	CFLAGS=$hold_cflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_visibility_hidden" >&5
-$as_echo "$tcl_cv_cc_visibility_hidden" >&6; }
-    if test $tcl_cv_cc_visibility_hidden = yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_visibility_hidden" >&5
+printf "%s\n" "$tcl_cv_cc_visibility_hidden" >&6; }
+    if test $tcl_cv_cc_visibility_hidden = yes
+then :
 
 
-$as_echo "#define MODULE_SCOPE extern __attribute__((__visibility__(\"hidden\")))" >>confdefs.h
+printf "%s\n" "#define MODULE_SCOPE extern __attribute__((__visibility__(\"hidden\")))" >>confdefs.h
 
 
-$as_echo "#define HAVE_HIDDEN 1" >>confdefs.h
+printf "%s\n" "#define HAVE_HIDDEN 1" >>confdefs.h
 
 
 fi
 
     # Step 0.d: Disable -rpath support?
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if rpath support is requested" >&5
-$as_echo_n "checking if rpath support is requested... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if rpath support is requested" >&5
+printf %s "checking if rpath support is requested... " >&6; }
     # Check whether --enable-rpath was given.
-if test "${enable_rpath+set}" = set; then :
+if test ${enable_rpath+y}
+then :
   enableval=$enable_rpath; doRpath=$enableval
-else
+else $as_nop
   doRpath=yes
 fi
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $doRpath" >&5
-$as_echo "$doRpath" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $doRpath" >&5
+printf "%s\n" "$doRpath" >&6; }
 
     # Step 1: set the variable "system" to hold the name and version number
     # for the system.
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking system version" >&5
-$as_echo_n "checking system version... " >&6; }
-if ${tcl_cv_sys_version+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking system version" >&5
+printf %s "checking system version... " >&6; }
+if test ${tcl_cv_sys_version+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	if test "${TEA_PLATFORM}" = "windows" ; then
 	    tcl_cv_sys_version=windows
 	else
 	    tcl_cv_sys_version=`uname -s`-`uname -r`
 	    if test "$?" -ne 0 ; then
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: can't find uname command" >&5
-$as_echo "$as_me: WARNING: can't find uname command" >&2;}
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: can't find uname command" >&5
+printf "%s\n" "$as_me: WARNING: can't find uname command" >&2;}
 		tcl_cv_sys_version=unknown
 	    else
 		if test "`uname -s`" = "AIX" ; then
@@ -4885,19 +5399,20 @@ $as_echo "$as_me: WARNING: can't find uname command" >&2;}
 	fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_sys_version" >&5
-$as_echo "$tcl_cv_sys_version" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_sys_version" >&5
+printf "%s\n" "$tcl_cv_sys_version" >&6; }
     system=$tcl_cv_sys_version
 
 
     # Step 2: check for existence of -ldl library.  This is needed because
     # Linux can use either -ldl or -ldld for dynamic loading.
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
-$as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+printf %s "checking for dlopen in -ldl... " >&6; }
+if test ${ac_cv_lib_dl_dlopen+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4906,32 +5421,31 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char dlopen ();
 int
-main ()
+main (void)
 {
 return dlopen ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_dl_dlopen=yes
-else
+else $as_nop
   ac_cv_lib_dl_dlopen=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
+if test "x$ac_cv_lib_dl_dlopen" = xyes
+then :
   have_dl=yes
-else
+else $as_nop
   have_dl=no
 fi
 
@@ -4955,7 +5469,8 @@ fi
     ECHO_VERSION='`echo ${VERSION}`'
     TCL_LIB_VERSIONS_OK=ok
     CFLAGS_DEBUG=-g
-    if test "$GCC" = yes; then :
+    if test "$GCC" = yes
+then :
 
 	CFLAGS_OPTIMIZE=-O2
 	CFLAGS_WARNING="-Wall -Wextra -Wshadow -Wundef -Wwrite-strings -Wpointer-arith"
@@ -4968,7 +5483,7 @@ fi
 	esac
 
 
-else
+else $as_nop
 
 	CFLAGS_OPTIMIZE=-O
 	CFLAGS_WARNING=""
@@ -4977,11 +5492,12 @@ fi
     if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AR+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_AR+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$AR"; then
   ac_cv_prog_AR="$AR" # Let the user override the test.
 else
@@ -4989,11 +5505,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_AR="${ac_tool_prefix}ar"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -5004,11 +5524,11 @@ fi
 fi
 AR=$ac_cv_prog_AR
 if test -n "$AR"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
-$as_echo "$AR" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+printf "%s\n" "$AR" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
@@ -5017,11 +5537,12 @@ if test -z "$ac_cv_prog_AR"; then
   ac_ct_AR=$AR
   # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_AR+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_prog_ac_ct_AR+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   if test -n "$ac_ct_AR"; then
   ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
 else
@@ -5029,11 +5550,15 @@ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_AR="ar"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -5044,11 +5569,11 @@ fi
 fi
 ac_ct_AR=$ac_cv_prog_ac_ct_AR
 if test -n "$ac_ct_AR"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
-$as_echo "$ac_ct_AR" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
+printf "%s\n" "$ac_ct_AR" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
   if test "x$ac_ct_AR" = x; then
@@ -5056,8 +5581,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     AR=$ac_ct_AR
@@ -5071,12 +5596,14 @@ fi
     PLAT_OBJS=""
     PLAT_SRCS=""
     LDAIX_SRC=""
-    if test "x${SHLIB_VERSION}" = x; then :
+    if test "x${SHLIB_VERSION}" = x
+then :
   SHLIB_VERSION="1.0"
 fi
     case $system in
 	AIX-*)
-	    if test "$GCC" != "yes"; then :
+	    if test "$GCC" != "yes"
+then :
 
 		# AIX requires the _r compiler when gcc isn't being used
 		case "${CC}" in
@@ -5088,8 +5615,8 @@ fi
 		    	CC=`echo "$CC" | sed -e 's/^\([^ ]*\)/\1_r/'`
 			;;
 		esac
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Using $CC for compiling with threads" >&5
-$as_echo "Using $CC for compiling with threads" >&6; }
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: Using $CC for compiling with threads" >&5
+printf "%s\n" "Using $CC for compiling with threads" >&6; }
 
 fi
 	    LIBS="$LIBS -lc"
@@ -5104,14 +5631,16 @@ fi
 	    LDAIX_SRC='$(UNIX_DIR)/ldAix'
 
 	    # Check to enable 64-bit flags for compiler/linker
-	    if test "$do64bit" = yes; then :
+	    if test "$do64bit" = yes
+then :
 
-		if test "$GCC" = yes; then :
+		if test "$GCC" = yes
+then :
 
-		    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported with GCC on $system" >&5
-$as_echo "$as_me: WARNING: 64bit mode not supported with GCC on $system" >&2;}
+		    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported with GCC on $system" >&5
+printf "%s\n" "$as_me: WARNING: 64bit mode not supported with GCC on $system" >&2;}
 
-else
+else $as_nop
 
 		    do64bit_ok=yes
 		    CFLAGS="$CFLAGS -q64"
@@ -5124,30 +5653,33 @@ fi
 
 fi
 
-	    if test "`uname -m`" = ia64; then :
+	    if test "`uname -m`" = ia64
+then :
 
 		# AIX-5 uses ELF style dynamic libraries on IA-64, but not PPC
 		SHLIB_LD="/usr/ccs/bin/ld -G -z text"
 		# AIX-5 has dl* in libc.so
 		DL_LIBS=""
-		if test "$GCC" = yes; then :
+		if test "$GCC" = yes
+then :
 
 		    CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
 
-else
+else $as_nop
 
 		    CC_SEARCH_FLAGS='-R${LIB_RUNTIME_DIR}'
 
 fi
 		LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
 
-else
+else $as_nop
 
-		if test "$GCC" = yes; then :
+		if test "$GCC" = yes
+then :
 
 		    SHLIB_LD='${CC} -shared -Wl,-bexpall'
 
-else
+else $as_nop
 
 		    SHLIB_LD="/bin/ld -bhalt:4 -bM:SRE -bexpall -H512 -T512 -bnoentry"
 		    LDFLAGS="$LDFLAGS -brtl"
@@ -5172,11 +5704,12 @@ fi
 	    # -lsocket, even if the network functions are in -lnet which
 	    # is always linked to, for compatibility.
 	    #-----------------------------------------------------------
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_ntoa in -lbind" >&5
-$as_echo_n "checking for inet_ntoa in -lbind... " >&6; }
-if ${ac_cv_lib_bind_inet_ntoa+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inet_ntoa in -lbind" >&5
+printf %s "checking for inet_ntoa in -lbind... " >&6; }
+if test ${ac_cv_lib_bind_inet_ntoa+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lbind  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5185,30 +5718,29 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char inet_ntoa ();
 int
-main ()
+main (void)
 {
 return inet_ntoa ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_bind_inet_ntoa=yes
-else
+else $as_nop
   ac_cv_lib_bind_inet_ntoa=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bind_inet_ntoa" >&5
-$as_echo "$ac_cv_lib_bind_inet_ntoa" >&6; }
-if test "x$ac_cv_lib_bind_inet_ntoa" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bind_inet_ntoa" >&5
+printf "%s\n" "$ac_cv_lib_bind_inet_ntoa" >&6; }
+if test "x$ac_cv_lib_bind_inet_ntoa" = xyes
+then :
   LIBS="$LIBS -lbind -lsocket"
 fi
 
@@ -5242,11 +5774,12 @@ fi
 	    DL_LIBS="-ldl"
 	    CC_SEARCH_FLAGS=""
 	    LD_SEARCH_FLAGS=""
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Cygwin version of gcc" >&5
-$as_echo_n "checking for Cygwin version of gcc... " >&6; }
-if ${ac_cv_cygwin+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Cygwin version of gcc" >&5
+printf %s "checking for Cygwin version of gcc... " >&6; }
+if test ${ac_cv_cygwin+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -5255,23 +5788,24 @@ else
 		#endif
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_cygwin=no
-else
+else $as_nop
   ac_cv_cygwin=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cygwin" >&5
-$as_echo "$ac_cv_cygwin" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cygwin" >&5
+printf "%s\n" "$ac_cv_cygwin" >&6; }
 	    if test "$ac_cv_cygwin" = "no"; then
 		as_fn_error $? "${CC} is not a cygwin compiler." "$LINENO" 5
 	    fi
@@ -5303,11 +5837,12 @@ $as_echo "$ac_cv_cygwin" >&6; }
 	    SHLIB_LD='${CC} ${CFLAGS} ${LDFLAGS} -shared'
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS="-lroot"
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_ntoa in -lnetwork" >&5
-$as_echo_n "checking for inet_ntoa in -lnetwork... " >&6; }
-if ${ac_cv_lib_network_inet_ntoa+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inet_ntoa in -lnetwork" >&5
+printf %s "checking for inet_ntoa in -lnetwork... " >&6; }
+if test ${ac_cv_lib_network_inet_ntoa+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lnetwork  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5316,30 +5851,29 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char inet_ntoa ();
 int
-main ()
+main (void)
 {
 return inet_ntoa ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_network_inet_ntoa=yes
-else
+else $as_nop
   ac_cv_lib_network_inet_ntoa=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_network_inet_ntoa" >&5
-$as_echo "$ac_cv_lib_network_inet_ntoa" >&6; }
-if test "x$ac_cv_lib_network_inet_ntoa" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_network_inet_ntoa" >&5
+printf "%s\n" "$ac_cv_lib_network_inet_ntoa" >&6; }
+if test "x$ac_cv_lib_network_inet_ntoa" = xyes
+then :
   LIBS="$LIBS -lnetwork"
 fi
 
@@ -5347,27 +5881,29 @@ fi
 	HP-UX-*.11.*)
 	    # Use updated header definitions where possible
 
-$as_echo "#define _XOPEN_SOURCE_EXTENDED 1" >>confdefs.h
+printf "%s\n" "#define _XOPEN_SOURCE_EXTENDED 1" >>confdefs.h
 
 
-$as_echo "#define _XOPEN_SOURCE 1" >>confdefs.h
+printf "%s\n" "#define _XOPEN_SOURCE 1" >>confdefs.h
 
 	    LIBS="$LIBS -lxnet"               # Use the XOPEN network library
 
-	    if test "`uname -m`" = ia64; then :
+	    if test "`uname -m`" = ia64
+then :
 
 		SHLIB_SUFFIX=".so"
 
-else
+else $as_nop
 
 		SHLIB_SUFFIX=".sl"
 
 fi
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
-$as_echo_n "checking for shl_load in -ldld... " >&6; }
-if ${ac_cv_lib_dld_shl_load+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
+printf %s "checking for shl_load in -ldld... " >&6; }
+if test ${ac_cv_lib_dld_shl_load+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldld  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5376,36 +5912,36 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char shl_load ();
 int
-main ()
+main (void)
 {
 return shl_load ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_dld_shl_load=yes
-else
+else $as_nop
   ac_cv_lib_dld_shl_load=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
-$as_echo "$ac_cv_lib_dld_shl_load" >&6; }
-if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
+printf "%s\n" "$ac_cv_lib_dld_shl_load" >&6; }
+if test "x$ac_cv_lib_dld_shl_load" = xyes
+then :
   tcl_ok=yes
-else
+else $as_nop
   tcl_ok=no
 fi
 
-	    if test "$tcl_ok" = yes; then :
+	    if test "$tcl_ok" = yes
+then :
 
 		SHLIB_CFLAGS="+z"
 		SHLIB_LD="ld -b"
@@ -5417,12 +5953,13 @@ fi
 		LD_LIBRARY_PATH_VAR="SHLIB_PATH"
 
 fi
-	    if test "$GCC" = yes; then :
+	    if test "$GCC" = yes
+then :
 
 		SHLIB_LD='${CC} -shared'
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 
-else
+else $as_nop
 
 		CFLAGS="$CFLAGS -z"
 
@@ -5432,28 +5969,31 @@ fi
 	    #CFLAGS="$CFLAGS +DAportable"
 
 	    # Check to enable 64-bit flags for compiler/linker
-	    if test "$do64bit" = "yes"; then :
+	    if test "$do64bit" = "yes"
+then :
 
-		if test "$GCC" = yes; then :
+		if test "$GCC" = yes
+then :
 
 		    case `${CC} -dumpmachine` in
 			hppa64*)
 			    # 64-bit gcc in use.  Fix flags for GNU ld.
 			    do64bit_ok=yes
 			    SHLIB_LD='${CC} -shared'
-			    if test $doRpath = yes; then :
+			    if test $doRpath = yes
+then :
 
 				CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
 fi
 			    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 			    ;;
 			*)
-			    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported with GCC on $system" >&5
-$as_echo "$as_me: WARNING: 64bit mode not supported with GCC on $system" >&2;}
+			    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported with GCC on $system" >&5
+printf "%s\n" "$as_me: WARNING: 64bit mode not supported with GCC on $system" >&2;}
 			    ;;
 		    esac
 
-else
+else $as_nop
 
 		    do64bit_ok=yes
 		    CFLAGS="$CFLAGS +DD64"
@@ -5464,11 +6004,12 @@ fi
 fi ;;
 	HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
 	    SHLIB_SUFFIX=".sl"
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
-$as_echo_n "checking for shl_load in -ldld... " >&6; }
-if ${ac_cv_lib_dld_shl_load+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
+printf %s "checking for shl_load in -ldld... " >&6; }
+if test ${ac_cv_lib_dld_shl_load+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldld  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5477,36 +6018,36 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char shl_load ();
 int
-main ()
+main (void)
 {
 return shl_load ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_dld_shl_load=yes
-else
+else $as_nop
   ac_cv_lib_dld_shl_load=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
-$as_echo "$ac_cv_lib_dld_shl_load" >&6; }
-if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
+printf "%s\n" "$ac_cv_lib_dld_shl_load" >&6; }
+if test "x$ac_cv_lib_dld_shl_load" = xyes
+then :
   tcl_ok=yes
-else
+else $as_nop
   tcl_ok=no
 fi
 
-	    if test "$tcl_ok" = yes; then :
+	    if test "$tcl_ok" = yes
+then :
 
 		SHLIB_CFLAGS="+z"
 		SHLIB_LD="ld -b"
@@ -5531,7 +6072,8 @@ fi ;;
  ;;
 esac
 
-	    if test $doRpath = yes; then :
+	    if test $doRpath = yes
+then :
 
 		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
 		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
@@ -5549,17 +6091,19 @@ fi
  ;;
 esac
 
-	    if test $doRpath = yes; then :
+	    if test $doRpath = yes
+then :
 
 		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
 		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
 fi
-	    if test "$GCC" = yes; then :
+	    if test "$GCC" = yes
+then :
 
 		CFLAGS="$CFLAGS -mabi=n32"
 		LDFLAGS="$LDFLAGS -mabi=n32"
 
-else
+else $as_nop
 
 		case $system in
 		    IRIX-6.3)
@@ -5586,7 +6130,8 @@ fi
  ;;
 esac
 
-	    if test $doRpath = yes; then :
+	    if test $doRpath = yes
+then :
 
 		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
 		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
@@ -5594,14 +6139,16 @@ fi
 
 	    # Check to enable 64-bit flags for compiler/linker
 
-	    if test "$do64bit" = yes; then :
+	    if test "$do64bit" = yes
+then :
 
-	        if test "$GCC" = yes; then :
+	        if test "$GCC" = yes
+then :
 
-	            { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported by gcc" >&5
-$as_echo "$as_me: WARNING: 64bit mode not supported by gcc" >&2;}
+	            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported by gcc" >&5
+printf "%s\n" "$as_me: WARNING: 64bit mode not supported by gcc" >&2;}
 
-else
+else $as_nop
 
 	            do64bit_ok=yes
 	            SHLIB_LD="ld -64 -shared -rdata_shared"
@@ -5629,7 +6176,8 @@ fi
 
 	    case $system in
 	    DragonFly-*|FreeBSD-*)
-		if test "${TCL_THREADS}" = "1"; then :
+		if test "${TCL_THREADS}" = "1"
+then :
 
 		    # The -pthread needs to go in the LDFLAGS, not LIBS
 		    LIBS=`echo $LIBS | sed s/-pthread//`
@@ -5639,21 +6187,25 @@ fi
 	    ;;
             esac
 
-	    if test $doRpath = yes; then :
+	    if test $doRpath = yes
+then :
 
 		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
 fi
 	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
-	    if test "`uname -m`" = "alpha"; then :
+	    if test "`uname -m`" = "alpha"
+then :
   CFLAGS="$CFLAGS -mieee"
 fi
-	    if test $do64bit = yes; then :
+	    if test $do64bit = yes
+then :
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler accepts -m64 flag" >&5
-$as_echo_n "checking if compiler accepts -m64 flag... " >&6; }
-if ${tcl_cv_cc_m64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler accepts -m64 flag" >&5
+printf %s "checking if compiler accepts -m64 flag... " >&6; }
+if test ${tcl_cv_cc_m64+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 		    hold_cflags=$CFLAGS
 		    CFLAGS="$CFLAGS -m64"
@@ -5661,25 +6213,27 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_cc_m64=yes
-else
+else $as_nop
   tcl_cv_cc_m64=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 		    CFLAGS=$hold_cflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_m64" >&5
-$as_echo "$tcl_cv_cc_m64" >&6; }
-		if test $tcl_cv_cc_m64 = yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_m64" >&5
+printf "%s\n" "$tcl_cv_cc_m64" >&6; }
+		if test $tcl_cv_cc_m64 = yes
+then :
 
 		    CFLAGS="$CFLAGS -m64"
 		    do64bit_ok=yes
@@ -5694,7 +6248,8 @@ fi
 	    # of overkill but it works. Disable inlining only when one of the
 	    # files in compat/*.c is being linked in.
 
-	    if test x"${USE_COMPAT}" != x; then :
+	    if test x"${USE_COMPAT}" != x
+then :
   CFLAGS="$CFLAGS -fno-inline"
 fi
 	    ;;
@@ -5706,7 +6261,8 @@ fi
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS="-mshared -ldl"
 	    LD_FLAGS="-Wl,--export-dynamic"
-	    if test $doRpath = yes; then :
+	    if test $doRpath = yes
+then :
 
 		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
 		LD_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
@@ -5726,7 +6282,8 @@ fi
 	    SHLIB_SUFFIX=".so"
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS=""
-	    if test $doRpath = yes; then :
+	    if test $doRpath = yes
+then :
 
 		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
 fi
@@ -5750,7 +6307,8 @@ fi
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS=""
 	    LDFLAGS="$LDFLAGS -export-dynamic"
-	    if test $doRpath = yes; then :
+	    if test $doRpath = yes
+then :
 
 		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
 fi
@@ -5772,15 +6330,17 @@ fi
 	    CFLAGS="`echo " ${CFLAGS}" | \
 		awk 'BEGIN {FS=" +-";ORS=" "}; {for (i=2;i<=NF;i++) \
 		if (!($i~/^(isysroot|mmacosx-version-min)/)) print "-"$i}'`"
-	    if test $do64bit = yes; then :
+	    if test $do64bit = yes
+then :
 
 		case `arch` in
 		    ppc)
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler accepts -arch ppc64 flag" >&5
-$as_echo_n "checking if compiler accepts -arch ppc64 flag... " >&6; }
-if ${tcl_cv_cc_arch_ppc64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler accepts -arch ppc64 flag" >&5
+printf %s "checking if compiler accepts -arch ppc64 flag... " >&6; }
+if test ${tcl_cv_cc_arch_ppc64+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 			    hold_cflags=$CFLAGS
 			    CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
@@ -5788,36 +6348,39 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_cc_arch_ppc64=yes
-else
+else $as_nop
   tcl_cv_cc_arch_ppc64=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 			    CFLAGS=$hold_cflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_arch_ppc64" >&5
-$as_echo "$tcl_cv_cc_arch_ppc64" >&6; }
-			if test $tcl_cv_cc_arch_ppc64 = yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_arch_ppc64" >&5
+printf "%s\n" "$tcl_cv_cc_arch_ppc64" >&6; }
+			if test $tcl_cv_cc_arch_ppc64 = yes
+then :
 
 			    CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
 			    do64bit_ok=yes
 
 fi;;
 		    i386|x86_64)
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler accepts -arch x86_64 flag" >&5
-$as_echo_n "checking if compiler accepts -arch x86_64 flag... " >&6; }
-if ${tcl_cv_cc_arch_x86_64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler accepts -arch x86_64 flag" >&5
+printf %s "checking if compiler accepts -arch x86_64 flag... " >&6; }
+if test ${tcl_cv_cc_arch_x86_64+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 			    hold_cflags=$CFLAGS
 			    CFLAGS="$CFLAGS -arch x86_64"
@@ -5825,36 +6388,39 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_cc_arch_x86_64=yes
-else
+else $as_nop
   tcl_cv_cc_arch_x86_64=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 			    CFLAGS=$hold_cflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_arch_x86_64" >&5
-$as_echo "$tcl_cv_cc_arch_x86_64" >&6; }
-			if test $tcl_cv_cc_arch_x86_64 = yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_arch_x86_64" >&5
+printf "%s\n" "$tcl_cv_cc_arch_x86_64" >&6; }
+			if test $tcl_cv_cc_arch_x86_64 = yes
+then :
 
 			    CFLAGS="$CFLAGS -arch x86_64"
 			    do64bit_ok=yes
 
 fi;;
 		    arm64)
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler accepts -arch arm64 flag" >&5
-$as_echo_n "checking if compiler accepts -arch arm64 flag... " >&6; }
-if ${tcl_cv_cc_arch_arm64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler accepts -arch arm64 flag" >&5
+printf %s "checking if compiler accepts -arch arm64 flag... " >&6; }
+if test ${tcl_cv_cc_arch_arm64+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 			    hold_cflags=$CFLAGS
 			    CFLAGS="$CFLAGS -arch arm64"
@@ -5862,51 +6428,55 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_cc_arch_arm64=yes
-else
+else $as_nop
   tcl_cv_cc_arch_arm64=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 			    CFLAGS=$hold_cflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_arch_arm64" >&5
-$as_echo "$tcl_cv_cc_arch_arm64" >&6; }
-			if test $tcl_cv_cc_arch_arm64 = yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_arch_arm64" >&5
+printf "%s\n" "$tcl_cv_cc_arch_arm64" >&6; }
+			if test $tcl_cv_cc_arch_arm64 = yes
+then :
 
 			    CFLAGS="$CFLAGS -arch arm64"
 			    do64bit_ok=yes
 
 fi;;
 		    *)
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Don't know how enable 64-bit on architecture \`arch\`" >&5
-$as_echo "$as_me: WARNING: Don't know how enable 64-bit on architecture \`arch\`" >&2;};;
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Don't know how enable 64-bit on architecture \`arch\`" >&5
+printf "%s\n" "$as_me: WARNING: Don't know how enable 64-bit on architecture \`arch\`" >&2;};;
 		esac
 
-else
+else $as_nop
 
 		# Check for combined 32-bit and 64-bit fat build
 		if echo "$CFLAGS " |grep -E -q -- '-arch (ppc64|x86_64|arm64) ' \
-		    && echo "$CFLAGS " |grep -E -q -- '-arch (ppc|i386) '; then :
+		    && echo "$CFLAGS " |grep -E -q -- '-arch (ppc|i386) '
+then :
 
 		    fat_32_64=yes
 fi
 
 fi
 	    SHLIB_LD='${CC} -dynamiclib ${CFLAGS} ${LDFLAGS}'
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if ld accepts -single_module flag" >&5
-$as_echo_n "checking if ld accepts -single_module flag... " >&6; }
-if ${tcl_cv_ld_single_module+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if ld accepts -single_module flag" >&5
+printf %s "checking if ld accepts -single_module flag... " >&6; }
+if test ${tcl_cv_ld_single_module+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -dynamiclib -Wl,-single_module"
@@ -5914,25 +6484,27 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 int i;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_ld_single_module=yes
-else
+else $as_nop
   tcl_cv_ld_single_module=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 		LDFLAGS=$hold_ldflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_ld_single_module" >&5
-$as_echo "$tcl_cv_ld_single_module" >&6; }
-	    if test $tcl_cv_ld_single_module = yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_ld_single_module" >&5
+printf "%s\n" "$tcl_cv_ld_single_module" >&6; }
+	    if test $tcl_cv_ld_single_module = yes
+then :
 
 		SHLIB_LD="${SHLIB_LD} -Wl,-single_module"
 
@@ -5941,11 +6513,12 @@ fi
 	    DL_OBJS="tclLoadDyld.o"
 	    DL_LIBS=""
 	    LDFLAGS="$LDFLAGS -headerpad_max_install_names"
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if ld accepts -search_paths_first flag" >&5
-$as_echo_n "checking if ld accepts -search_paths_first flag... " >&6; }
-if ${tcl_cv_ld_search_paths_first+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if ld accepts -search_paths_first flag" >&5
+printf %s "checking if ld accepts -search_paths_first flag... " >&6; }
+if test ${tcl_cv_ld_search_paths_first+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
@@ -5953,33 +6526,36 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 int i;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_ld_search_paths_first=yes
-else
+else $as_nop
   tcl_cv_ld_search_paths_first=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 		LDFLAGS=$hold_ldflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_ld_search_paths_first" >&5
-$as_echo "$tcl_cv_ld_search_paths_first" >&6; }
-	    if test $tcl_cv_ld_search_paths_first = yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_ld_search_paths_first" >&5
+printf "%s\n" "$tcl_cv_ld_search_paths_first" >&6; }
+	    if test $tcl_cv_ld_search_paths_first = yes
+then :
 
 		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
 
 fi
-	    if test "$tcl_cv_cc_visibility_hidden" != yes; then :
+	    if test "$tcl_cv_cc_visibility_hidden" != yes
+then :
 
 
-$as_echo "#define MODULE_SCOPE __private_extern__" >>confdefs.h
+printf "%s\n" "#define MODULE_SCOPE __private_extern__" >>confdefs.h
 
 		tcl_cv_cc_visibility_hidden=yes
 
@@ -5988,31 +6564,35 @@ fi
 	    LD_SEARCH_FLAGS=""
 	    LD_LIBRARY_PATH_VAR="DYLD_FALLBACK_LIBRARY_PATH"
 
-$as_echo "#define MAC_OSX_TCL 1" >>confdefs.h
+printf "%s\n" "#define MAC_OSX_TCL 1" >>confdefs.h
 
 	    PLAT_OBJS='${MAC_OSX_OBJS}'
 	    PLAT_SRCS='${MAC_OSX_SRCS}'
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use CoreFoundation" >&5
-$as_echo_n "checking whether to use CoreFoundation... " >&6; }
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to use CoreFoundation" >&5
+printf %s "checking whether to use CoreFoundation... " >&6; }
 	    # Check whether --enable-corefoundation was given.
-if test "${enable_corefoundation+set}" = set; then :
+if test ${enable_corefoundation+y}
+then :
   enableval=$enable_corefoundation; tcl_corefoundation=$enableval
-else
+else $as_nop
   tcl_corefoundation=yes
 fi
 
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_corefoundation" >&5
-$as_echo "$tcl_corefoundation" >&6; }
-	    if test $tcl_corefoundation = yes; then :
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_corefoundation" >&5
+printf "%s\n" "$tcl_corefoundation" >&6; }
+	    if test $tcl_corefoundation = yes
+then :
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for CoreFoundation.framework" >&5
-$as_echo_n "checking for CoreFoundation.framework... " >&6; }
-if ${tcl_cv_lib_corefoundation+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for CoreFoundation.framework" >&5
+printf %s "checking for CoreFoundation.framework... " >&6; }
+if test ${tcl_cv_lib_corefoundation+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 		    hold_libs=$LIBS
-		    if test "$fat_32_64" = yes; then :
+		    if test "$fat_32_64" = yes
+then :
 
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
 			    # On Tiger there is no 64-bit CF, so remove 64-bit
@@ -6027,21 +6607,23 @@ fi
 /* end confdefs.h.  */
 #include <CoreFoundation/CoreFoundation.h>
 int
-main ()
+main (void)
 {
 CFBundleRef b = CFBundleGetMainBundle();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_lib_corefoundation=yes
-else
+else $as_nop
   tcl_cv_lib_corefoundation=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-		    if test "$fat_32_64" = yes; then :
+		    if test "$fat_32_64" = yes
+then :
 
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
 			    eval $v'="$hold_'$v'"'
@@ -6049,25 +6631,28 @@ rm -f core conftest.err conftest.$ac_objext \
 fi
 		    LIBS=$hold_libs
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_lib_corefoundation" >&5
-$as_echo "$tcl_cv_lib_corefoundation" >&6; }
-		if test $tcl_cv_lib_corefoundation = yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_lib_corefoundation" >&5
+printf "%s\n" "$tcl_cv_lib_corefoundation" >&6; }
+		if test $tcl_cv_lib_corefoundation = yes
+then :
 
 		    LIBS="$LIBS -framework CoreFoundation"
 
-$as_echo "#define HAVE_COREFOUNDATION 1" >>confdefs.h
+printf "%s\n" "#define HAVE_COREFOUNDATION 1" >>confdefs.h
 
 
-else
+else $as_nop
   tcl_corefoundation=no
 fi
-		if test "$fat_32_64" = yes -a $tcl_corefoundation = yes; then :
+		if test "$fat_32_64" = yes -a $tcl_corefoundation = yes
+then :
 
-		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for 64-bit CoreFoundation" >&5
-$as_echo_n "checking for 64-bit CoreFoundation... " >&6; }
-if ${tcl_cv_lib_corefoundation_64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+		    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for 64-bit CoreFoundation" >&5
+printf %s "checking for 64-bit CoreFoundation... " >&6; }
+if test ${tcl_cv_lib_corefoundation_64+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
 			    eval 'hold_'$v'="$'$v'";'$v'="`echo "$'$v' "|sed -e "s/-arch ppc / /g" -e "s/-arch i386 / /g"`"'
@@ -6076,30 +6661,32 @@ else
 /* end confdefs.h.  */
 #include <CoreFoundation/CoreFoundation.h>
 int
-main ()
+main (void)
 {
 CFBundleRef b = CFBundleGetMainBundle();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_lib_corefoundation_64=yes
-else
+else $as_nop
   tcl_cv_lib_corefoundation_64=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
 			    eval $v'="$hold_'$v'"'
 			done
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_lib_corefoundation_64" >&5
-$as_echo "$tcl_cv_lib_corefoundation_64" >&6; }
-		    if test $tcl_cv_lib_corefoundation_64 = no; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_lib_corefoundation_64" >&5
+printf "%s\n" "$tcl_cv_lib_corefoundation_64" >&6; }
+		    if test $tcl_cv_lib_corefoundation_64 = no
+then :
 
 
-$as_echo "#define NO_COREFOUNDATION_64 1" >>confdefs.h
+printf "%s\n" "#define NO_COREFOUNDATION_64 1" >>confdefs.h
 
                         LDFLAGS="$LDFLAGS -Wl,-no_arch_warnings"
 
@@ -6113,17 +6700,18 @@ fi
 	    SHLIB_LD_LIBS=""
 	    CFLAGS_OPTIMIZE=""		# Optimizer is buggy
 
-$as_echo "#define _OE_SOCKETS 1" >>confdefs.h
+printf "%s\n" "#define _OE_SOCKETS 1" >>confdefs.h
 
 	    ;;
 	OSF1-V*)
 	    # Digital OSF/1
 	    SHLIB_CFLAGS=""
-	    if test "$SHARED_BUILD" = 1; then :
+	    if test "$SHARED_BUILD" = 1
+then :
 
 	        SHLIB_LD='${CC} -shared'
 
-else
+else $as_nop
 
 	        SHLIB_LD='${CC} -non_shared'
 
@@ -6131,14 +6719,16 @@ fi
 	    SHLIB_SUFFIX=".so"
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS=""
-	    if test $doRpath = yes; then :
+	    if test $doRpath = yes
+then :
 
 		CC_SEARCH_FLAGS='"-Wl,-rpath,${LIB_RUNTIME_DIR}"'
 		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
 fi
-	    if test "$GCC" = yes; then :
+	    if test "$GCC" = yes
+then :
   CFLAGS="$CFLAGS -mieee"
-else
+else $as_nop
 
 		CFLAGS="$CFLAGS -DHAVE_TZSET -std1 -ieee"
 fi
@@ -6146,11 +6736,12 @@ fi
 	    CFLAGS="$CFLAGS -DHAVE_PTHREAD_ATTR_SETSTACKSIZE"
 	    CFLAGS="$CFLAGS -DTCL_THREAD_STACK_MIN=PTHREAD_STACK_MIN*64"
 	    LIBS=`echo $LIBS | sed s/-lpthreads//`
-	    if test "$GCC" = yes; then :
+	    if test "$GCC" = yes
+then :
 
 		LIBS="$LIBS -lpthread -lmach -lexc"
 
-else
+else $as_nop
 
 		CFLAGS="$CFLAGS -pthread"
 		LDFLAGS="$LDFLAGS -pthread"
@@ -6173,12 +6764,13 @@ fi
 	    # Note, dlopen is available only on SCO 3.2.5 and greater. However,
 	    # this test works, since "uname -s" was non-standard in 3.2.4 and
 	    # below.
-	    if test "$GCC" = yes; then :
+	    if test "$GCC" = yes
+then :
 
 		SHLIB_CFLAGS="-fPIC -melf"
 		LDFLAGS="$LDFLAGS -melf -Wl,-Bexport"
 
-else
+else $as_nop
 
 		SHLIB_CFLAGS="-Kpic -belf"
 		LDFLAGS="$LDFLAGS -belf -Wl,-Bexport"
@@ -6199,23 +6791,24 @@ fi
 	    # won't define thread-safe library routines.
 
 
-$as_echo "#define _REENTRANT 1" >>confdefs.h
+printf "%s\n" "#define _REENTRANT 1" >>confdefs.h
 
 
-$as_echo "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h
+printf "%s\n" "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h
 
 
 	    SHLIB_CFLAGS="-KPIC"
 	    SHLIB_SUFFIX=".so"
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS="-ldl"
-	    if test "$GCC" = yes; then :
+	    if test "$GCC" = yes
+then :
 
 		SHLIB_LD='${CC} -shared'
 		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 
-else
+else $as_nop
 
 		SHLIB_LD="/usr/ccs/bin/ld -G -z text"
 		CC_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
@@ -6228,28 +6821,32 @@ fi
 	    # won't define thread-safe library routines.
 
 
-$as_echo "#define _REENTRANT 1" >>confdefs.h
+printf "%s\n" "#define _REENTRANT 1" >>confdefs.h
 
 
-$as_echo "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h
+printf "%s\n" "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h
 
 
 	    SHLIB_CFLAGS="-KPIC"
 
 	    # Check to enable 64-bit flags for compiler/linker
-	    if test "$do64bit" = yes; then :
+	    if test "$do64bit" = yes
+then :
 
 		arch=`isainfo`
-		if test "$arch" = "sparcv9 sparc"; then :
+		if test "$arch" = "sparcv9 sparc"
+then :
 
-		    if test "$GCC" = yes; then :
+		    if test "$GCC" = yes
+then :
 
-			if test "`${CC} -dumpversion | awk -F. '{print $1}'`" -lt 3; then :
+			if test "`${CC} -dumpversion | awk -F. '{print $1}'`" -lt 3
+then :
 
-			    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported with GCC < 3.2 on $system" >&5
-$as_echo "$as_me: WARNING: 64bit mode not supported with GCC < 3.2 on $system" >&2;}
+			    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported with GCC < 3.2 on $system" >&5
+printf "%s\n" "$as_me: WARNING: 64bit mode not supported with GCC < 3.2 on $system" >&2;}
 
-else
+else $as_nop
 
 			    do64bit_ok=yes
 			    CFLAGS="$CFLAGS -m64 -mcpu=v9"
@@ -6258,15 +6855,16 @@ else
 
 fi
 
-else
+else $as_nop
 
 			do64bit_ok=yes
-			if test "$do64bitVIS" = yes; then :
+			if test "$do64bitVIS" = yes
+then :
 
 			    CFLAGS="$CFLAGS -xarch=v9a"
 			    LDFLAGS_ARCH="-xarch=v9a"
 
-else
+else $as_nop
 
 			    CFLAGS="$CFLAGS -xarch=v9"
 			    LDFLAGS_ARCH="-xarch=v9"
@@ -6277,10 +6875,12 @@ fi
 
 fi
 
-else
-  if test "$arch" = "amd64 i386"; then :
+else $as_nop
+  if test "$arch" = "amd64 i386"
+then :
 
-		    if test "$GCC" = yes; then :
+		    if test "$GCC" = yes
+then :
 
 			case $system in
 			    SunOS-5.1[1-9]*|SunOS-5.[2-9][0-9]*)
@@ -6288,11 +6888,11 @@ else
 				CFLAGS="$CFLAGS -m64"
 				LDFLAGS="$LDFLAGS -m64";;
 			    *)
-				{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported with GCC on $system" >&5
-$as_echo "$as_me: WARNING: 64bit mode not supported with GCC on $system" >&2;};;
+				{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported with GCC on $system" >&5
+printf "%s\n" "$as_me: WARNING: 64bit mode not supported with GCC on $system" >&2;};;
 			esac
 
-else
+else $as_nop
 
 			do64bit_ok=yes
 			case $system in
@@ -6306,9 +6906,9 @@ else
 
 fi
 
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported for $arch" >&5
-$as_echo "$as_me: WARNING: 64bit mode not supported for $arch" >&2;}
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 64bit mode not supported for $arch" >&5
+printf "%s\n" "$as_me: WARNING: 64bit mode not supported for $arch" >&2;}
 fi
 fi
 
@@ -6318,30 +6918,32 @@ fi
 	    # On Solaris 5.x i386 with the sunpro compiler we need to link
 	    # with sunmath to get floating point rounding control
 	    #--------------------------------------------------------------------
-	    if test "$GCC" = yes; then :
+	    if test "$GCC" = yes
+then :
   use_sunmath=no
-else
+else $as_nop
 
 		arch=`isainfo`
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use -lsunmath for fp rounding control" >&5
-$as_echo_n "checking whether to use -lsunmath for fp rounding control... " >&6; }
-		if test "$arch" = "amd64 i386" -o "$arch" = "i386"; then :
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to use -lsunmath for fp rounding control" >&5
+printf %s "checking whether to use -lsunmath for fp rounding control... " >&6; }
+		if test "$arch" = "amd64 i386" -o "$arch" = "i386"
+then :
 
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 			MATH_LIBS="-lsunmath $MATH_LIBS"
-			ac_fn_c_check_header_mongrel "$LINENO" "sunmath.h" "ac_cv_header_sunmath_h" "$ac_includes_default"
-if test "x$ac_cv_header_sunmath_h" = xyes; then :
+			ac_fn_c_check_header_compile "$LINENO" "sunmath.h" "ac_cv_header_sunmath_h" "$ac_includes_default"
+if test "x$ac_cv_header_sunmath_h" = xyes
+then :
 
 fi
 
-
 			use_sunmath=yes
 
-else
+else $as_nop
 
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 			use_sunmath=no
 
 fi
@@ -6350,14 +6952,17 @@ fi
 	    SHLIB_SUFFIX=".so"
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS="-ldl"
-	    if test "$GCC" = yes; then :
+	    if test "$GCC" = yes
+then :
 
 		SHLIB_LD='${CC} -shared'
 		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
-		if test "$do64bit_ok" = yes; then :
+		if test "$do64bit_ok" = yes
+then :
 
-		    if test "$arch" = "sparcv9 sparc"; then :
+		    if test "$arch" = "sparcv9 sparc"
+then :
 
 			# We need to specify -static-libgcc or we need to
 			# add the path to the sparv9 libgcc.
@@ -6367,8 +6972,9 @@ fi
 			#v9gcclibdir="`gcc -print-file-name=libgcc_s.so` | ..."
 			#CC_SEARCH_FLAGS="${CC_SEARCH_FLAGS},-R,$v9gcclibdir"
 
-else
-  if test "$arch" = "amd64 i386"; then :
+else $as_nop
+  if test "$arch" = "amd64 i386"
+then :
 
 			SHLIB_LD="$SHLIB_LD -m64 -static-libgcc"
 
@@ -6377,11 +6983,12 @@ fi
 
 fi
 
-else
+else $as_nop
 
-		if test "$use_sunmath" = yes; then :
+		if test "$use_sunmath" = yes
+then :
   textmode=textoff
-else
+else $as_nop
   textmode=text
 fi
 		case $system in
@@ -6404,11 +7011,12 @@ fi
 	    DL_LIBS="-ldl"
 	    # Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers
 	    # that don't grok the -Bexport option.  Test that it does.
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld accepts -Bexport flag" >&5
-$as_echo_n "checking for ld accepts -Bexport flag... " >&6; }
-if ${tcl_cv_ld_Bexport+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ld accepts -Bexport flag" >&5
+printf %s "checking for ld accepts -Bexport flag... " >&6; }
+if test ${tcl_cv_ld_Bexport+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -Wl,-Bexport"
@@ -6416,25 +7024,27 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 int i;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_ld_Bexport=yes
-else
+else $as_nop
   tcl_cv_ld_Bexport=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 	        LDFLAGS=$hold_ldflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_ld_Bexport" >&5
-$as_echo "$tcl_cv_ld_Bexport" >&6; }
-	    if test $tcl_cv_ld_Bexport = yes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_ld_Bexport" >&5
+printf "%s\n" "$tcl_cv_ld_Bexport" >&6; }
+	    if test $tcl_cv_ld_Bexport = yes
+then :
 
 		LDFLAGS="$LDFLAGS -Wl,-Bexport"
 
@@ -6444,17 +7054,19 @@ fi
 	    ;;
     esac
 
-    if test "$do64bit" = yes -a "$do64bit_ok" = no; then :
+    if test "$do64bit" = yes -a "$do64bit_ok" = no
+then :
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 64bit support being disabled -- don't know magic for this platform" >&5
-$as_echo "$as_me: WARNING: 64bit support being disabled -- don't know magic for this platform" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: 64bit support being disabled -- don't know magic for this platform" >&5
+printf "%s\n" "$as_me: WARNING: 64bit support being disabled -- don't know magic for this platform" >&2;}
 
 fi
 
-    if test "$do64bit" = yes -a "$do64bit_ok" = yes; then :
+    if test "$do64bit" = yes -a "$do64bit_ok" = yes
+then :
 
 
-$as_echo "#define TCL_CFG_DO64BIT 1" >>confdefs.h
+printf "%s\n" "#define TCL_CFG_DO64BIT 1" >>confdefs.h
 
 
 fi
@@ -6464,22 +7076,25 @@ fi
     # Step 4: disable dynamic loading if requested via a command-line switch.
 
     # Check whether --enable-load was given.
-if test "${enable_load+set}" = set; then :
+if test ${enable_load+y}
+then :
   enableval=$enable_load; tcl_ok=$enableval
-else
+else $as_nop
   tcl_ok=yes
 fi
 
-    if test "$tcl_ok" = no; then :
+    if test "$tcl_ok" = no
+then :
   DL_OBJS=""
 fi
 
-    if test "x$DL_OBJS" != x; then :
+    if test "x$DL_OBJS" != x
+then :
   BUILD_DLTEST="\$(DLTEST_TARGETS)"
-else
+else $as_nop
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Can't figure out how to do dynamic loading or shared libraries on this system." >&5
-$as_echo "$as_me: WARNING: Can't figure out how to do dynamic loading or shared libraries on this system." >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Can't figure out how to do dynamic loading or shared libraries on this system." >&5
+printf "%s\n" "$as_me: WARNING: Can't figure out how to do dynamic loading or shared libraries on this system." >&2;}
 	SHLIB_CFLAGS=""
 	SHLIB_LD=""
 	SHLIB_SUFFIX=""
@@ -6497,7 +7112,8 @@ fi
     # libraries to the right flags for gcc, instead of those for the
     # standard manufacturer compiler.
 
-    if test "$DL_OBJS" != "tclLoadNone.o" -a "$GCC" = yes; then :
+    if test "$DL_OBJS" != "tclLoadNone.o" -a "$GCC" = yes
+then :
 
 	case $system in
 	    AIX-*) ;;
@@ -6514,48 +7130,54 @@ fi
 	esac
 fi
 
-    if test "$tcl_cv_cc_visibility_hidden" != yes; then :
+    if test "$tcl_cv_cc_visibility_hidden" != yes
+then :
 
 
-$as_echo "#define MODULE_SCOPE extern" >>confdefs.h
+printf "%s\n" "#define MODULE_SCOPE extern" >>confdefs.h
 
 
 fi
 
-    if test "$SHARED_LIB_SUFFIX" = ""; then :
+    if test "$SHARED_LIB_SUFFIX" = ""
+then :
 
 	SHARED_LIB_SUFFIX='${VERSION}${SHLIB_SUFFIX}'
 fi
-    if test "$UNSHARED_LIB_SUFFIX" = ""; then :
+    if test "$UNSHARED_LIB_SUFFIX" = ""
+then :
 
 	UNSHARED_LIB_SUFFIX='${VERSION}.a'
 fi
     DLL_INSTALL_DIR="\$(LIB_INSTALL_DIR)"
 
-    if test "${SHARED_BUILD}" = 1 -a "${SHLIB_SUFFIX}" != ""; then :
+    if test "${SHARED_BUILD}" = 1 -a "${SHLIB_SUFFIX}" != ""
+then :
 
         LIB_SUFFIX=${SHARED_LIB_SUFFIX}
         MAKE_LIB='${SHLIB_LD} -o $@ ${OBJS} ${LDFLAGS} ${SHLIB_LD_LIBS} ${TCL_SHLIB_LD_EXTRAS} ${TK_SHLIB_LD_EXTRAS} ${LD_SEARCH_FLAGS}'
-        if test "${SHLIB_SUFFIX}" = ".dll"; then :
+        if test "${SHLIB_SUFFIX}" = ".dll"
+then :
 
             INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) "$(BIN_INSTALL_DIR)/$(LIB_FILE)"'
             DLL_INSTALL_DIR="\$(BIN_INSTALL_DIR)"
 
-else
+else $as_nop
 
             INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) "$(LIB_INSTALL_DIR)/$(LIB_FILE)"'
 
 fi
 
-else
+else $as_nop
 
         LIB_SUFFIX=${UNSHARED_LIB_SUFFIX}
 
-        if test "$RANLIB" = ""; then :
+        if test "$RANLIB" = ""
+then :
 
             MAKE_LIB='$(STLIB_LD) $@ ${OBJS}'
 
-else
+else $as_nop
 
             MAKE_LIB='${STLIB_LD} $@ ${OBJS} ; ${RANLIB} $@'
 
@@ -6565,11 +7187,12 @@ fi
 fi
 
     # Stub lib does not depend on shared/static configuration
-    if test "$RANLIB" = ""; then :
+    if test "$RANLIB" = ""
+then :
 
         MAKE_STUB_LIB='${STLIB_LD} $@ ${STUB_LIB_OBJS}'
 
-else
+else $as_nop
 
         MAKE_STUB_LIB='${STLIB_LD} $@ ${STUB_LIB_OBJS} ; ${RANLIB} $@'
 
@@ -6579,7 +7202,8 @@ fi
     # Define TCL_LIBS now that we know what DL_LIBS is.
     # The trick here is that we don't want to change the value of TCL_LIBS if
     # it is already set when tclConfig.sh had been loaded by Tk.
-    if test "x${TCL_LIBS}" = x; then :
+    if test "x${TCL_LIBS}" = x
+then :
 
         TCL_LIBS="${DL_LIBS} ${LIBS} ${MATH_LIBS}"
 fi
@@ -6589,16 +7213,17 @@ fi
     # This is used to stop gcc from printing a compiler
     # warning when initializing a union member.
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cast to union support" >&5
-$as_echo_n "checking for cast to union support... " >&6; }
-if ${tcl_cv_cast_to_union+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cast to union support" >&5
+printf %s "checking for cast to union support... " >&6; }
+if test ${tcl_cv_cast_to_union+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
 		union foo { int i; double d; };
@@ -6608,107 +7233,125 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_cast_to_union=yes
-else
+else $as_nop
   tcl_cv_cast_to_union=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cast_to_union" >&5
-$as_echo "$tcl_cv_cast_to_union" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cast_to_union" >&5
+printf "%s\n" "$tcl_cv_cast_to_union" >&6; }
     if test "$tcl_cv_cast_to_union" = "yes"; then
 
-$as_echo "#define HAVE_CAST_TO_UNION 1" >>confdefs.h
+printf "%s\n" "#define HAVE_CAST_TO_UNION 1" >>confdefs.h
 
     fi
     hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fno-lto"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working -fno-lto" >&5
-$as_echo_n "checking for working -fno-lto... " >&6; }
-if ${ac_cv_nolto+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working -fno-lto" >&5
+printf %s "checking for working -fno-lto... " >&6; }
+if test ${ac_cv_nolto+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_nolto=yes
-else
+else $as_nop
   ac_cv_nolto=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_nolto" >&5
-$as_echo "$ac_cv_nolto" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_nolto" >&5
+printf "%s\n" "$ac_cv_nolto" >&6; }
     CFLAGS=$hold_cflags
     if test "$ac_cv_nolto" = "yes" ; then
 	CFLAGS_NOLTO="-fno-lto"
     else
 	CFLAGS_NOLTO=""
     fi
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the compiler understands -finput-charset" >&5
-$as_echo_n "checking if the compiler understands -finput-charset... " >&6; }
-if ${tcl_cv_cc_input_charset+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if the compiler understands -finput-charset" >&5
+printf %s "checking if the compiler understands -finput-charset... " >&6; }
+if test ${tcl_cv_cc_input_charset+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -finput-charset=UTF-8"
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_cc_input_charset=yes
-else
+else $as_nop
   tcl_cv_cc_input_charset=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CFLAGS=$hold_cflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_input_charset" >&5
-$as_echo "$tcl_cv_cc_input_charset" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_input_charset" >&5
+printf "%s\n" "$tcl_cv_cc_input_charset" >&6; }
     if test $tcl_cv_cc_input_charset = yes; then
 	CFLAGS="$CFLAGS -finput-charset=UTF-8"
     fi
 
-    ac_fn_c_check_header_mongrel "$LINENO" "stdbool.h" "ac_cv_header_stdbool_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdbool_h" = xyes; then :
+    ac_fn_c_check_header_compile "$LINENO" "stdbool.h" "ac_cv_header_stdbool_h" "$ac_includes_default"
+if test "x$ac_cv_header_stdbool_h" = xyes
+then :
 
-$as_echo "#define HAVE_STDBOOL_H 1" >>confdefs.h
+printf "%s\n" "#define HAVE_STDBOOL_H 1" >>confdefs.h
 
 fi
 
 
-
     # Check for vfork, posix_spawnp() and friends unconditionally
-    for ac_func in vfork posix_spawnp posix_spawn_file_actions_adddup2 posix_spawnattr_setflags
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+    ac_fn_c_check_func "$LINENO" "vfork" "ac_cv_func_vfork"
+if test "x$ac_cv_func_vfork" = xyes
+then :
+  printf "%s\n" "#define HAVE_VFORK 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "posix_spawnp" "ac_cv_func_posix_spawnp"
+if test "x$ac_cv_func_posix_spawnp" = xyes
+then :
+  printf "%s\n" "#define HAVE_POSIX_SPAWNP 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "posix_spawn_file_actions_adddup2" "ac_cv_func_posix_spawn_file_actions_adddup2"
+if test "x$ac_cv_func_posix_spawn_file_actions_adddup2" = xyes
+then :
+  printf "%s\n" "#define HAVE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "posix_spawnattr_setflags" "ac_cv_func_posix_spawnattr_setflags"
+if test "x$ac_cv_func_posix_spawnattr_setflags" = xyes
+then :
+  printf "%s\n" "#define HAVE_POSIX_SPAWNATTR_SETFLAGS 1" >>confdefs.h
 
 fi
-done
 
 
     # FIXME: This subst was left in only because the TCL_DL_LIBS
@@ -6740,9 +7383,7 @@ done
 
 
 
-cat >>confdefs.h <<_ACEOF
-#define TCL_SHLIB_EXT "${SHLIB_SUFFIX}"
-_ACEOF
+printf "%s\n" "#define TCL_SHLIB_EXT \"${SHLIB_SUFFIX}\"" >>confdefs.h
 
 
 
@@ -6754,12 +7395,13 @@ _ACEOF
 
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for build with symbols" >&5
-$as_echo_n "checking for build with symbols... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for build with symbols" >&5
+printf %s "checking for build with symbols... " >&6; }
     # Check whether --enable-symbols was given.
-if test "${enable_symbols+set}" = set; then :
+if test ${enable_symbols+y}
+then :
   enableval=$enable_symbols; tcl_ok=$enableval
-else
+else $as_nop
   tcl_ok=no
 fi
 
@@ -6768,19 +7410,19 @@ fi
 	CFLAGS_DEFAULT='$(CFLAGS_OPTIMIZE)'
 	LDFLAGS_DEFAULT='$(LDFLAGS_OPTIMIZE)'
 
-$as_echo "#define NDEBUG 1" >>confdefs.h
+printf "%s\n" "#define NDEBUG 1" >>confdefs.h
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 
-$as_echo "#define TCL_CFG_OPTIMIZED 1" >>confdefs.h
+printf "%s\n" "#define TCL_CFG_OPTIMIZED 1" >>confdefs.h
 
     else
 	CFLAGS_DEFAULT='$(CFLAGS_DEBUG)'
 	LDFLAGS_DEFAULT='$(LDFLAGS_DEBUG)'
 	if test "$tcl_ok" = "yes"; then
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes (standard debugging)" >&5
-$as_echo "yes (standard debugging)" >&6; }
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes (standard debugging)" >&5
+printf "%s\n" "yes (standard debugging)" >&6; }
 	fi
     fi
 
@@ -6788,32 +7430,32 @@ $as_echo "yes (standard debugging)" >&6; }
 
     if test "$tcl_ok" = "mem" -o "$tcl_ok" = "all"; then
 
-$as_echo "#define TCL_MEM_DEBUG 1" >>confdefs.h
+printf "%s\n" "#define TCL_MEM_DEBUG 1" >>confdefs.h
 
     fi
 
     	if test "$tcl_ok" = "compile" -o "$tcl_ok" = "all"; then
 
-$as_echo "#define TCL_COMPILE_DEBUG 1" >>confdefs.h
+printf "%s\n" "#define TCL_COMPILE_DEBUG 1" >>confdefs.h
 
 
-$as_echo "#define TCL_COMPILE_STATS 1" >>confdefs.h
+printf "%s\n" "#define TCL_COMPILE_STATS 1" >>confdefs.h
 
 	fi
 
     if test "$tcl_ok" != "yes" -a "$tcl_ok" != "no"; then
 	if test "$tcl_ok" = "all"; then
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: enabled symbols mem compile debugging" >&5
-$as_echo "enabled symbols mem compile debugging" >&6; }
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: enabled symbols mem compile debugging" >&5
+printf "%s\n" "enabled symbols mem compile debugging" >&6; }
 	else
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: enabled $tcl_ok debugging" >&5
-$as_echo "enabled $tcl_ok debugging" >&6; }
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: enabled $tcl_ok debugging" >&5
+printf "%s\n" "enabled $tcl_ok debugging" >&6; }
 	fi
     fi
 
 
 
-$as_echo "#define MP_PREC 4" >>confdefs.h
+printf "%s\n" "#define MP_PREC 4" >>confdefs.h
 
 
 #--------------------------------------------------------------------
@@ -6821,165 +7463,175 @@ $as_echo "#define MP_PREC 4" >>confdefs.h
 #--------------------------------------------------------------------
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for required early compiler flags" >&5
-$as_echo_n "checking for required early compiler flags... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for required early compiler flags" >&5
+printf %s "checking for required early compiler flags... " >&6; }
     tcl_flags=""
 
-    if ${tcl_cv_flag__isoc99_source+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    if test ${tcl_cv_flag__isoc99_source+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 int
-main ()
+main (void)
 {
 char *p = (char *)strtoll; char *q = (char *)strtoull;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_flag__isoc99_source=no
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define _ISOC99_SOURCE 1
 #include <stdlib.h>
 int
-main ()
+main (void)
 {
 char *p = (char *)strtoll; char *q = (char *)strtoull;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_flag__isoc99_source=yes
-else
+else $as_nop
   tcl_cv_flag__isoc99_source=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
     if test "x${tcl_cv_flag__isoc99_source}" = "xyes" ; then
 
-$as_echo "#define _ISOC99_SOURCE 1" >>confdefs.h
+printf "%s\n" "#define _ISOC99_SOURCE 1" >>confdefs.h
 
 	tcl_flags="$tcl_flags _ISOC99_SOURCE"
     fi
 
 
-    if ${tcl_cv_flag__file_offset_bits+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    if test ${tcl_cv_flag__file_offset_bits+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/stat.h>
 int
-main ()
+main (void)
 {
 switch (0) { case 0: case (sizeof(off_t)==sizeof(long long)): ; }
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_flag__file_offset_bits=no
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define _FILE_OFFSET_BITS 64
 #include <sys/stat.h>
 int
-main ()
+main (void)
 {
 switch (0) { case 0: case (sizeof(off_t)==sizeof(long long)): ; }
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_flag__file_offset_bits=yes
-else
+else $as_nop
   tcl_cv_flag__file_offset_bits=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
     if test "x${tcl_cv_flag__file_offset_bits}" = "xyes" ; then
 
-$as_echo "#define _FILE_OFFSET_BITS 64" >>confdefs.h
+printf "%s\n" "#define _FILE_OFFSET_BITS 64" >>confdefs.h
 
 	tcl_flags="$tcl_flags _FILE_OFFSET_BITS"
     fi
 
 
-    if ${tcl_cv_flag__largefile64_source+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    if test ${tcl_cv_flag__largefile64_source+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/stat.h>
 int
-main ()
+main (void)
 {
 struct stat64 buf; int i = stat64("/", &buf);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_flag__largefile64_source=no
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define _LARGEFILE64_SOURCE 1
 #include <sys/stat.h>
 int
-main ()
+main (void)
 {
 struct stat64 buf; int i = stat64("/", &buf);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_flag__largefile64_source=yes
-else
+else $as_nop
   tcl_cv_flag__largefile64_source=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
     if test "x${tcl_cv_flag__largefile64_source}" = "xyes" ; then
 
-$as_echo "#define _LARGEFILE64_SOURCE 1" >>confdefs.h
+printf "%s\n" "#define _LARGEFILE64_SOURCE 1" >>confdefs.h
 
 	tcl_flags="$tcl_flags _LARGEFILE64_SOURCE"
     fi
 
     if test "x${tcl_flags}" = "x" ; then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5
-$as_echo "none" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none" >&5
+printf "%s\n" "none" >&6; }
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${tcl_flags}" >&5
-$as_echo "${tcl_flags}" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${tcl_flags}" >&5
+printf "%s\n" "${tcl_flags}" >&6; }
     fi
 
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if 'long' and 'long long' have the same size (64-bit)?" >&5
-$as_echo_n "checking if 'long' and 'long long' have the same size (64-bit)?... " >&6; }
-    if ${tcl_cv_type_64bit+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if 'long' and 'long long' have the same size (64-bit)?" >&5
+printf %s "checking if 'long' and 'long long' have the same size (64-bit)?... " >&6; }
+    if test ${tcl_cv_type_64bit+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	tcl_cv_type_64bit=none
 	# See if we could use long anyway  Note that we substitute in the
@@ -6989,7 +7641,7 @@ else
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 switch (0) {
             case 1: case (sizeof(long long)==sizeof(long)): ;
@@ -6998,130 +7650,138 @@ switch (0) {
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_type_64bit="long long"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
     if test "${tcl_cv_type_64bit}" = none ; then
 
-$as_echo "#define TCL_WIDE_INT_IS_LONG 1" >>confdefs.h
+printf "%s\n" "#define TCL_WIDE_INT_IS_LONG 1" >>confdefs.h
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 	# Now check for auxiliary declarations
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for 64-bit time_t" >&5
-$as_echo_n "checking for 64-bit time_t... " >&6; }
-if ${tcl_cv_time_t_64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for 64-bit time_t" >&5
+printf %s "checking for 64-bit time_t... " >&6; }
+if test ${tcl_cv_time_t_64+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 switch (0) {case 0: case (sizeof(time_t)==sizeof(long long)): ;}
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_time_t_64=yes
-else
+else $as_nop
   tcl_cv_time_t_64=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_time_t_64" >&5
-$as_echo "$tcl_cv_time_t_64" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_time_t_64" >&5
+printf "%s\n" "$tcl_cv_time_t_64" >&6; }
 	if test "x${tcl_cv_time_t_64}" = "xno" ; then
 	    # Note that _TIME_BITS=64 requires _FILE_OFFSET_BITS=64
 	    # which SC_TCL_EARLY_FLAGS has defined if necessary.
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if _TIME_BITS=64 enables 64-bit time_t" >&5
-$as_echo_n "checking if _TIME_BITS=64 enables 64-bit time_t... " >&6; }
-if ${tcl_cv__time_bits+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if _TIME_BITS=64 enables 64-bit time_t" >&5
+printf %s "checking if _TIME_BITS=64 enables 64-bit time_t... " >&6; }
+if test ${tcl_cv__time_bits+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define _TIME_BITS 64
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 switch (0) {case 0: case (sizeof(time_t)==sizeof(long long)): ;}
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv__time_bits=yes
-else
+else $as_nop
   tcl_cv__time_bits=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv__time_bits" >&5
-$as_echo "$tcl_cv__time_bits" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv__time_bits" >&5
+printf "%s\n" "$tcl_cv__time_bits" >&6; }
 	    if test "x${tcl_cv__time_bits}" = "xyes" ; then
 
-$as_echo "#define _TIME_BITS 64" >>confdefs.h
+printf "%s\n" "#define _TIME_BITS 64" >>confdefs.h
 
 	    fi
 	fi
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct dirent64" >&5
-$as_echo_n "checking for struct dirent64... " >&6; }
-if ${tcl_cv_struct_dirent64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for struct dirent64" >&5
+printf %s "checking for struct dirent64... " >&6; }
+if test ${tcl_cv_struct_dirent64+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <dirent.h>
 int
-main ()
+main (void)
 {
 struct dirent64 p;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_struct_dirent64=yes
-else
+else $as_nop
   tcl_cv_struct_dirent64=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_struct_dirent64" >&5
-$as_echo "$tcl_cv_struct_dirent64" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_struct_dirent64" >&5
+printf "%s\n" "$tcl_cv_struct_dirent64" >&6; }
 	if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then
 
-$as_echo "#define HAVE_STRUCT_DIRENT64 1" >>confdefs.h
+printf "%s\n" "#define HAVE_STRUCT_DIRENT64 1" >>confdefs.h
 
 	fi
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for DIR64" >&5
-$as_echo_n "checking for DIR64... " >&6; }
-if ${tcl_cv_DIR64+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for DIR64" >&5
+printf %s "checking for DIR64... " >&6; }
+if test ${tcl_cv_DIR64+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <dirent.h>
 int
-main ()
+main (void)
 {
 struct dirent64 *p; DIR64 d = opendir64(".");
             p = readdir64(d); rewinddir64(d); closedir64(d);
@@ -7129,44 +7789,47 @@ struct dirent64 *p; DIR64 d = opendir64(".");
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_DIR64=yes
-else
+else $as_nop
   tcl_cv_DIR64=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_DIR64" >&5
-$as_echo "$tcl_cv_DIR64" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_DIR64" >&5
+printf "%s\n" "$tcl_cv_DIR64" >&6; }
 	if test "x${tcl_cv_DIR64}" = "xyes" ; then
 
-$as_echo "#define HAVE_DIR64 1" >>confdefs.h
+printf "%s\n" "#define HAVE_DIR64 1" >>confdefs.h
 
 	fi
 
-	for ac_func in open64 lseek64
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+	ac_fn_c_check_func "$LINENO" "open64" "ac_cv_func_open64"
+if test "x$ac_cv_func_open64" = xyes
+then :
+  printf "%s\n" "#define HAVE_OPEN64 1" >>confdefs.h
 
 fi
-done
+ac_fn_c_check_func "$LINENO" "lseek64" "ac_cv_func_lseek64"
+if test "x$ac_cv_func_lseek64" = xyes
+then :
+  printf "%s\n" "#define HAVE_LSEEK64 1" >>confdefs.h
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for off64_t" >&5
-$as_echo_n "checking for off64_t... " >&6; }
-	if ${tcl_cv_type_off64_t+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+fi
+
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for off64_t" >&5
+printf %s "checking for off64_t... " >&6; }
+	if test ${tcl_cv_type_off64_t+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 off64_t offset;
 
@@ -7174,25 +7837,26 @@ off64_t offset;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_type_off64_t=yes
-else
+else $as_nop
   tcl_cv_type_off64_t=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
 			if test "x${tcl_cv_type_off64_t}" = "xyes" && \
 	        test "x${ac_cv_func_lseek64}" = "xyes" && \
 	        test "x${ac_cv_func_open64}" = "xyes" ; then
 
-$as_echo "#define HAVE_TYPE_OFF64_T 1" >>confdefs.h
+printf "%s\n" "#define HAVE_TYPE_OFF64_T 1" >>confdefs.h
 
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 	else
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 	fi
     fi
 
@@ -7202,11 +7866,12 @@ $as_echo "no" >&6; }
 #	Tcl_UniChar strings to memcmp on big-endian systems.
 #--------------------------------------------------------------------
 
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
-$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
-if ${ac_cv_c_bigendian+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
+printf %s "checking whether byte ordering is bigendian... " >&6; }
+if test ${ac_cv_c_bigendian+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_cv_c_bigendian=unknown
     # See if we're dealing with a universal compiler.
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -7217,7 +7882,8 @@ else
 	     typedef int dummy;
 
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
 
 	# Check for potential -arch flags.  It is not universal unless
 	# there are at least two -arch flags with different values.
@@ -7241,7 +7907,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 	 fi
        done
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     if test $ac_cv_c_bigendian = unknown; then
       # See if sys/param.h defines the BYTE_ORDER macro.
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -7250,7 +7916,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 	     #include <sys/param.h>
 
 int
-main ()
+main (void)
 {
 #if ! (defined BYTE_ORDER && defined BIG_ENDIAN \
 		     && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \
@@ -7262,7 +7928,8 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   # It does; now see whether it defined to BIG_ENDIAN or not.
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7270,7 +7937,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		#include <sys/param.h>
 
 int
-main ()
+main (void)
 {
 #if BYTE_ORDER != BIG_ENDIAN
 		 not big endian
@@ -7280,14 +7947,15 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_c_bigendian=yes
-else
+else $as_nop
   ac_cv_c_bigendian=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     fi
     if test $ac_cv_c_bigendian = unknown; then
       # See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris).
@@ -7296,7 +7964,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 #include <limits.h>
 
 int
-main ()
+main (void)
 {
 #if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
 	      bogus endian macros
@@ -7306,14 +7974,15 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   # It does; now see whether it defined to _BIG_ENDIAN or not.
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <limits.h>
 
 int
-main ()
+main (void)
 {
 #ifndef _BIG_ENDIAN
 		 not big endian
@@ -7323,31 +7992,33 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_c_bigendian=yes
-else
+else $as_nop
   ac_cv_c_bigendian=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     fi
     if test $ac_cv_c_bigendian = unknown; then
       # Compile a test program.
-      if test "$cross_compiling" = yes; then :
+      if test "$cross_compiling" = yes
+then :
   # Try to guess by grepping values from an object file.
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-short int ascii_mm[] =
+unsigned short int ascii_mm[] =
 		  { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
-		short int ascii_ii[] =
+		unsigned short int ascii_ii[] =
 		  { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
 		int use_ascii (int i) {
 		  return ascii_mm[i] + ascii_ii[i];
 		}
-		short int ebcdic_ii[] =
+		unsigned short int ebcdic_ii[] =
 		  { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
-		short int ebcdic_mm[] =
+		unsigned short int ebcdic_mm[] =
 		  { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
 		int use_ebcdic (int i) {
 		  return ebcdic_mm[i] + ebcdic_ii[i];
@@ -7355,14 +8026,15 @@ short int ascii_mm[] =
 		extern int foo;
 
 int
-main ()
+main (void)
 {
 return use_ascii (foo) == use_ebcdic (foo);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
 	      ac_cv_c_bigendian=yes
 	    fi
@@ -7375,13 +8047,13 @@ if ac_fn_c_try_compile "$LINENO"; then :
 	      fi
 	    fi
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 int
-main ()
+main (void)
 {
 
 	     /* Are we little or big endian?  From Harbison&Steele.  */
@@ -7397,9 +8069,10 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
+if ac_fn_c_try_run "$LINENO"
+then :
   ac_cv_c_bigendian=no
-else
+else $as_nop
   ac_cv_c_bigendian=yes
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
@@ -7408,17 +8081,17 @@ fi
 
     fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5
-$as_echo "$ac_cv_c_bigendian" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5
+printf "%s\n" "$ac_cv_c_bigendian" >&6; }
  case $ac_cv_c_bigendian in #(
    yes)
-     $as_echo "#define WORDS_BIGENDIAN 1" >>confdefs.h
+     printf "%s\n" "#define WORDS_BIGENDIAN 1" >>confdefs.h
 ;; #(
    no)
       ;; #(
    universal)
 
-$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
+printf "%s\n" "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
 
      ;; #(
    *)
@@ -7433,29 +8106,30 @@ $as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
 #--------------------------------------------------------------------
 
 # Check if Posix compliant getcwd exists, if not we'll use getwd.
-for ac_func in getcwd
+
+  for ac_func in getcwd
 do :
   ac_fn_c_check_func "$LINENO" "getcwd" "ac_cv_func_getcwd"
-if test "x$ac_cv_func_getcwd" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_GETCWD 1
-_ACEOF
+if test "x$ac_cv_func_getcwd" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETCWD 1" >>confdefs.h
 
-else
+else $as_nop
 
-$as_echo "#define USEGETWD 1" >>confdefs.h
+printf "%s\n" "#define USEGETWD 1" >>confdefs.h
 
 fi
-done
 
+done
 # Nb: if getcwd uses popen and pwd(1) (like SunOS 4) we should really
 # define USEGETWD even if the posix getcwd exists. Add a test ?
 
 ac_fn_c_check_func "$LINENO" "mkstemp" "ac_cv_func_mkstemp"
-if test "x$ac_cv_func_mkstemp" = xyes; then :
-  $as_echo "#define HAVE_MKSTEMP 1" >>confdefs.h
+if test "x$ac_cv_func_mkstemp" = xyes
+then :
+  printf "%s\n" "#define HAVE_MKSTEMP 1" >>confdefs.h
 
-else
+else $as_nop
   case " $LIBOBJS " in
   *" mkstemp.$ac_objext "* ) ;;
   *) LIBOBJS="$LIBOBJS mkstemp.$ac_objext"
@@ -7463,12 +8137,12 @@ else
 esac
 
 fi
-
 ac_fn_c_check_func "$LINENO" "waitpid" "ac_cv_func_waitpid"
-if test "x$ac_cv_func_waitpid" = xyes; then :
-  $as_echo "#define HAVE_WAITPID 1" >>confdefs.h
+if test "x$ac_cv_func_waitpid" = xyes
+then :
+  printf "%s\n" "#define HAVE_WAITPID 1" >>confdefs.h
 
-else
+else $as_nop
   case " $LIBOBJS " in
   *" waitpid.$ac_objext "* ) ;;
   *) LIBOBJS="$LIBOBJS waitpid.$ac_objext"
@@ -7477,67 +8151,73 @@ esac
 
 fi
 
-
 ac_fn_c_check_func "$LINENO" "strerror" "ac_cv_func_strerror"
-if test "x$ac_cv_func_strerror" = xyes; then :
+if test "x$ac_cv_func_strerror" = xyes
+then :
 
-else
+else $as_nop
 
-$as_echo "#define NO_STRERROR 1" >>confdefs.h
+printf "%s\n" "#define NO_STRERROR 1" >>confdefs.h
 
 fi
 
 ac_fn_c_check_func "$LINENO" "getwd" "ac_cv_func_getwd"
-if test "x$ac_cv_func_getwd" = xyes; then :
+if test "x$ac_cv_func_getwd" = xyes
+then :
 
-else
+else $as_nop
 
-$as_echo "#define NO_GETWD 1" >>confdefs.h
+printf "%s\n" "#define NO_GETWD 1" >>confdefs.h
 
 fi
 
 ac_fn_c_check_func "$LINENO" "wait3" "ac_cv_func_wait3"
-if test "x$ac_cv_func_wait3" = xyes; then :
+if test "x$ac_cv_func_wait3" = xyes
+then :
 
-else
+else $as_nop
 
-$as_echo "#define NO_WAIT3 1" >>confdefs.h
+printf "%s\n" "#define NO_WAIT3 1" >>confdefs.h
 
 fi
 
 ac_fn_c_check_func "$LINENO" "fork" "ac_cv_func_fork"
-if test "x$ac_cv_func_fork" = xyes; then :
+if test "x$ac_cv_func_fork" = xyes
+then :
 
-else
+else $as_nop
 
-$as_echo "#define NO_FORK 1" >>confdefs.h
+printf "%s\n" "#define NO_FORK 1" >>confdefs.h
 
 fi
 
 ac_fn_c_check_func "$LINENO" "mknod" "ac_cv_func_mknod"
-if test "x$ac_cv_func_mknod" = xyes; then :
+if test "x$ac_cv_func_mknod" = xyes
+then :
 
-else
+else $as_nop
 
-$as_echo "#define NO_MKNOD 1" >>confdefs.h
+printf "%s\n" "#define NO_MKNOD 1" >>confdefs.h
 
 fi
 
 ac_fn_c_check_func "$LINENO" "tcdrain" "ac_cv_func_tcdrain"
-if test "x$ac_cv_func_tcdrain" = xyes; then :
+if test "x$ac_cv_func_tcdrain" = xyes
+then :
 
-else
+else $as_nop
 
-$as_echo "#define NO_TCDRAIN 1" >>confdefs.h
+printf "%s\n" "#define NO_TCDRAIN 1" >>confdefs.h
 
 fi
 
 ac_fn_c_check_func "$LINENO" "uname" "ac_cv_func_uname"
-if test "x$ac_cv_func_uname" = xyes; then :
+if test "x$ac_cv_func_uname" = xyes
+then :
 
-else
+else $as_nop
 
-$as_echo "#define NO_UNAME 1" >>confdefs.h
+printf "%s\n" "#define NO_UNAME 1" >>confdefs.h
 
 fi
 
@@ -7549,31 +8229,34 @@ if test "`uname -s`" = "Darwin" && \
     ac_cv_func_realpath=no
 fi
 ac_fn_c_check_func "$LINENO" "realpath" "ac_cv_func_realpath"
-if test "x$ac_cv_func_realpath" = xyes; then :
+if test "x$ac_cv_func_realpath" = xyes
+then :
 
-else
+else $as_nop
 
-$as_echo "#define NO_REALPATH 1" >>confdefs.h
+printf "%s\n" "#define NO_REALPATH 1" >>confdefs.h
 
 fi
 
 
 
 	NEED_FAKE_RFC2553=0
-	for ac_func in getnameinfo getaddrinfo freeaddrinfo gai_strerror
+
+  for ac_func in getnameinfo getaddrinfo freeaddrinfo gai_strerror
 do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+  as_ac_var=`printf "%s\n" "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+if eval test \"x\$"$as_ac_var"\" = x"yes"
+then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+#define `printf "%s\n" "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
 
-else
+else $as_nop
   NEED_FAKE_RFC2553=1
 fi
-done
 
+done
 	ac_fn_c_check_type "$LINENO" "struct addrinfo" "ac_cv_type_struct_addrinfo" "
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -7581,14 +8264,13 @@ done
 #include <netdb.h>
 
 "
-if test "x$ac_cv_type_struct_addrinfo" = xyes; then :
+if test "x$ac_cv_type_struct_addrinfo" = xyes
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_ADDRINFO 1
-_ACEOF
+printf "%s\n" "#define HAVE_STRUCT_ADDRINFO 1" >>confdefs.h
 
 
-else
+else $as_nop
   NEED_FAKE_RFC2553=1
 fi
 ac_fn_c_check_type "$LINENO" "struct in6_addr" "ac_cv_type_struct_in6_addr" "
@@ -7598,14 +8280,13 @@ ac_fn_c_check_type "$LINENO" "struct in6_addr" "ac_cv_type_struct_in6_addr" "
 #include <netdb.h>
 
 "
-if test "x$ac_cv_type_struct_in6_addr" = xyes; then :
+if test "x$ac_cv_type_struct_in6_addr" = xyes
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_IN6_ADDR 1
-_ACEOF
+printf "%s\n" "#define HAVE_STRUCT_IN6_ADDR 1" >>confdefs.h
 
 
-else
+else $as_nop
   NEED_FAKE_RFC2553=1
 fi
 ac_fn_c_check_type "$LINENO" "struct sockaddr_in6" "ac_cv_type_struct_sockaddr_in6" "
@@ -7615,14 +8296,13 @@ ac_fn_c_check_type "$LINENO" "struct sockaddr_in6" "ac_cv_type_struct_sockaddr_i
 #include <netdb.h>
 
 "
-if test "x$ac_cv_type_struct_sockaddr_in6" = xyes; then :
+if test "x$ac_cv_type_struct_sockaddr_in6" = xyes
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_SOCKADDR_IN6 1
-_ACEOF
+printf "%s\n" "#define HAVE_STRUCT_SOCKADDR_IN6 1" >>confdefs.h
 
 
-else
+else $as_nop
   NEED_FAKE_RFC2553=1
 fi
 ac_fn_c_check_type "$LINENO" "struct sockaddr_storage" "ac_cv_type_struct_sockaddr_storage" "
@@ -7632,20 +8312,19 @@ ac_fn_c_check_type "$LINENO" "struct sockaddr_storage" "ac_cv_type_struct_sockad
 #include <netdb.h>
 
 "
-if test "x$ac_cv_type_struct_sockaddr_storage" = xyes; then :
+if test "x$ac_cv_type_struct_sockaddr_storage" = xyes
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_SOCKADDR_STORAGE 1
-_ACEOF
+printf "%s\n" "#define HAVE_STRUCT_SOCKADDR_STORAGE 1" >>confdefs.h
 
 
-else
+else $as_nop
   NEED_FAKE_RFC2553=1
 fi
 
 if test "x$NEED_FAKE_RFC2553" = "x1"; then
 
-$as_echo "#define NEED_FAKE_RFC2553 1" >>confdefs.h
+printf "%s\n" "#define NEED_FAKE_RFC2553 1" >>confdefs.h
 
    case " $LIBOBJS " in
   *" fake-rfc2553.$ac_objext "* ) ;;
@@ -7654,7 +8333,8 @@ $as_echo "#define NEED_FAKE_RFC2553 1" >>confdefs.h
 esac
 
    ac_fn_c_check_func "$LINENO" "strlcpy" "ac_cv_func_strlcpy"
-if test "x$ac_cv_func_strlcpy" = xyes; then :
+if test "x$ac_cv_func_strlcpy" = xyes
+then :
 
 fi
 
@@ -7666,13 +8346,15 @@ fi
 #--------------------------------------------------------------------
 
 ac_fn_c_check_func "$LINENO" "getpwuid_r" "ac_cv_func_getpwuid_r"
-if test "x$ac_cv_func_getpwuid_r" = xyes; then :
+if test "x$ac_cv_func_getpwuid_r" = xyes
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getpwuid_r with 5 args" >&5
-$as_echo_n "checking for getpwuid_r with 5 args... " >&6; }
-if ${tcl_cv_api_getpwuid_r_5+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getpwuid_r with 5 args" >&5
+printf %s "checking for getpwuid_r with 5 args... " >&6; }
+if test ${tcl_cv_api_getpwuid_r_5+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7681,7 +8363,7 @@ else
 	#include <pwd.h>
 
 int
-main ()
+main (void)
 {
 
 	uid_t uid;
@@ -7695,26 +8377,28 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_getpwuid_r_5=yes
-else
+else $as_nop
   tcl_cv_api_getpwuid_r_5=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getpwuid_r_5" >&5
-$as_echo "$tcl_cv_api_getpwuid_r_5" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getpwuid_r_5" >&5
+printf "%s\n" "$tcl_cv_api_getpwuid_r_5" >&6; }
     tcl_ok=$tcl_cv_api_getpwuid_r_5
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETPWUID_R_5 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETPWUID_R_5 1" >>confdefs.h
 
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getpwuid_r with 4 args" >&5
-$as_echo_n "checking for getpwuid_r with 4 args... " >&6; }
-if ${tcl_cv_api_getpwuid_r_4+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getpwuid_r with 4 args" >&5
+printf %s "checking for getpwuid_r with 4 args... " >&6; }
+if test ${tcl_cv_api_getpwuid_r_4+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7723,7 +8407,7 @@ else
 	    #include <pwd.h>
 
 int
-main ()
+main (void)
 {
 
 	    uid_t uid;
@@ -7737,38 +8421,41 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_getpwuid_r_4=yes
-else
+else $as_nop
   tcl_cv_api_getpwuid_r_4=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getpwuid_r_4" >&5
-$as_echo "$tcl_cv_api_getpwuid_r_4" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getpwuid_r_4" >&5
+printf "%s\n" "$tcl_cv_api_getpwuid_r_4" >&6; }
 	tcl_ok=$tcl_cv_api_getpwuid_r_4
 	if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETPWUID_R_4 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETPWUID_R_4 1" >>confdefs.h
 
 	fi
     fi
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETPWUID_R 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETPWUID_R 1" >>confdefs.h
 
     fi
 
 fi
 
 ac_fn_c_check_func "$LINENO" "getpwnam_r" "ac_cv_func_getpwnam_r"
-if test "x$ac_cv_func_getpwnam_r" = xyes; then :
+if test "x$ac_cv_func_getpwnam_r" = xyes
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getpwnam_r with 5 args" >&5
-$as_echo_n "checking for getpwnam_r with 5 args... " >&6; }
-if ${tcl_cv_api_getpwnam_r_5+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getpwnam_r with 5 args" >&5
+printf %s "checking for getpwnam_r with 5 args... " >&6; }
+if test ${tcl_cv_api_getpwnam_r_5+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7777,7 +8464,7 @@ else
 	#include <pwd.h>
 
 int
-main ()
+main (void)
 {
 
 	char *name;
@@ -7791,26 +8478,28 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_getpwnam_r_5=yes
-else
+else $as_nop
   tcl_cv_api_getpwnam_r_5=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getpwnam_r_5" >&5
-$as_echo "$tcl_cv_api_getpwnam_r_5" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getpwnam_r_5" >&5
+printf "%s\n" "$tcl_cv_api_getpwnam_r_5" >&6; }
     tcl_ok=$tcl_cv_api_getpwnam_r_5
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETPWNAM_R_5 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETPWNAM_R_5 1" >>confdefs.h
 
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getpwnam_r with 4 args" >&5
-$as_echo_n "checking for getpwnam_r with 4 args... " >&6; }
-if ${tcl_cv_api_getpwnam_r_4+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getpwnam_r with 4 args" >&5
+printf %s "checking for getpwnam_r with 4 args... " >&6; }
+if test ${tcl_cv_api_getpwnam_r_4+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7819,7 +8508,7 @@ else
 	    #include <pwd.h>
 
 int
-main ()
+main (void)
 {
 
 	    char *name;
@@ -7833,38 +8522,41 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_getpwnam_r_4=yes
-else
+else $as_nop
   tcl_cv_api_getpwnam_r_4=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getpwnam_r_4" >&5
-$as_echo "$tcl_cv_api_getpwnam_r_4" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getpwnam_r_4" >&5
+printf "%s\n" "$tcl_cv_api_getpwnam_r_4" >&6; }
 	tcl_ok=$tcl_cv_api_getpwnam_r_4
 	if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETPWNAM_R_4 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETPWNAM_R_4 1" >>confdefs.h
 
 	fi
     fi
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETPWNAM_R 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETPWNAM_R 1" >>confdefs.h
 
     fi
 
 fi
 
 ac_fn_c_check_func "$LINENO" "getgrgid_r" "ac_cv_func_getgrgid_r"
-if test "x$ac_cv_func_getgrgid_r" = xyes; then :
+if test "x$ac_cv_func_getgrgid_r" = xyes
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getgrgid_r with 5 args" >&5
-$as_echo_n "checking for getgrgid_r with 5 args... " >&6; }
-if ${tcl_cv_api_getgrgid_r_5+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getgrgid_r with 5 args" >&5
+printf %s "checking for getgrgid_r with 5 args... " >&6; }
+if test ${tcl_cv_api_getgrgid_r_5+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7873,7 +8565,7 @@ else
 	#include <grp.h>
 
 int
-main ()
+main (void)
 {
 
 	gid_t gid;
@@ -7887,26 +8579,28 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_getgrgid_r_5=yes
-else
+else $as_nop
   tcl_cv_api_getgrgid_r_5=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getgrgid_r_5" >&5
-$as_echo "$tcl_cv_api_getgrgid_r_5" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getgrgid_r_5" >&5
+printf "%s\n" "$tcl_cv_api_getgrgid_r_5" >&6; }
     tcl_ok=$tcl_cv_api_getgrgid_r_5
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETGRGID_R_5 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETGRGID_R_5 1" >>confdefs.h
 
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getgrgid_r with 4 args" >&5
-$as_echo_n "checking for getgrgid_r with 4 args... " >&6; }
-if ${tcl_cv_api_getgrgid_r_4+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getgrgid_r with 4 args" >&5
+printf %s "checking for getgrgid_r with 4 args... " >&6; }
+if test ${tcl_cv_api_getgrgid_r_4+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7915,7 +8609,7 @@ else
 	    #include <grp.h>
 
 int
-main ()
+main (void)
 {
 
 	    gid_t gid;
@@ -7929,38 +8623,41 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_getgrgid_r_4=yes
-else
+else $as_nop
   tcl_cv_api_getgrgid_r_4=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getgrgid_r_4" >&5
-$as_echo "$tcl_cv_api_getgrgid_r_4" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getgrgid_r_4" >&5
+printf "%s\n" "$tcl_cv_api_getgrgid_r_4" >&6; }
 	tcl_ok=$tcl_cv_api_getgrgid_r_4
 	if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETGRGID_R_4 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETGRGID_R_4 1" >>confdefs.h
 
 	fi
     fi
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETGRGID_R 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETGRGID_R 1" >>confdefs.h
 
     fi
 
 fi
 
 ac_fn_c_check_func "$LINENO" "getgrnam_r" "ac_cv_func_getgrnam_r"
-if test "x$ac_cv_func_getgrnam_r" = xyes; then :
+if test "x$ac_cv_func_getgrnam_r" = xyes
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getgrnam_r with 5 args" >&5
-$as_echo_n "checking for getgrnam_r with 5 args... " >&6; }
-if ${tcl_cv_api_getgrnam_r_5+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getgrnam_r with 5 args" >&5
+printf %s "checking for getgrnam_r with 5 args... " >&6; }
+if test ${tcl_cv_api_getgrnam_r_5+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7969,7 +8666,7 @@ else
 	#include <grp.h>
 
 int
-main ()
+main (void)
 {
 
 	char *name;
@@ -7983,26 +8680,28 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_getgrnam_r_5=yes
-else
+else $as_nop
   tcl_cv_api_getgrnam_r_5=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getgrnam_r_5" >&5
-$as_echo "$tcl_cv_api_getgrnam_r_5" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getgrnam_r_5" >&5
+printf "%s\n" "$tcl_cv_api_getgrnam_r_5" >&6; }
     tcl_ok=$tcl_cv_api_getgrnam_r_5
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETGRNAM_R_5 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETGRNAM_R_5 1" >>confdefs.h
 
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getgrnam_r with 4 args" >&5
-$as_echo_n "checking for getgrnam_r with 4 args... " >&6; }
-if ${tcl_cv_api_getgrnam_r_4+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getgrnam_r with 4 args" >&5
+printf %s "checking for getgrnam_r with 4 args... " >&6; }
+if test ${tcl_cv_api_getgrnam_r_4+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8011,7 +8710,7 @@ else
 	    #include <grp.h>
 
 int
-main ()
+main (void)
 {
 
 	    char *name;
@@ -8025,25 +8724,26 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_getgrnam_r_4=yes
-else
+else $as_nop
   tcl_cv_api_getgrnam_r_4=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getgrnam_r_4" >&5
-$as_echo "$tcl_cv_api_getgrnam_r_4" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_getgrnam_r_4" >&5
+printf "%s\n" "$tcl_cv_api_getgrnam_r_4" >&6; }
 	tcl_ok=$tcl_cv_api_getgrnam_r_4
 	if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETGRNAM_R_4 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETGRNAM_R_4 1" >>confdefs.h
 
 	fi
     fi
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETGRNAM_R 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETGRNAM_R 1" >>confdefs.h
 
     fi
 
@@ -8055,10 +8755,10 @@ if test "`uname -s`" = "Darwin" && \
     # are actually MT-safe as they always return pointers
     # from TSD instead of static storage.
 
-$as_echo "#define HAVE_MTSAFE_GETHOSTBYNAME 1" >>confdefs.h
+printf "%s\n" "#define HAVE_MTSAFE_GETHOSTBYNAME 1" >>confdefs.h
 
 
-$as_echo "#define HAVE_MTSAFE_GETHOSTBYADDR 1" >>confdefs.h
+printf "%s\n" "#define HAVE_MTSAFE_GETHOSTBYADDR 1" >>confdefs.h
 
 
 elif test "`uname -s`" = "HP-UX" && \
@@ -8067,30 +8767,29 @@ elif test "`uname -s`" = "HP-UX" && \
     # are actually MT-safe as they always return pointers
     # from TSD instead of static storage.
 
-$as_echo "#define HAVE_MTSAFE_GETHOSTBYNAME 1" >>confdefs.h
+printf "%s\n" "#define HAVE_MTSAFE_GETHOSTBYNAME 1" >>confdefs.h
 
 
-$as_echo "#define HAVE_MTSAFE_GETHOSTBYADDR 1" >>confdefs.h
+printf "%s\n" "#define HAVE_MTSAFE_GETHOSTBYADDR 1" >>confdefs.h
 
 
 else
 
     # Avoids picking hidden internal symbol from libc
-    ac_fn_c_check_decl "$LINENO" "gethostbyname_r" "ac_cv_have_decl_gethostbyname_r" "#include <netdb.h>
-"
-if test "x$ac_cv_have_decl_gethostbyname_r" = xyes; then :
+    ac_fn_check_decl "$LINENO" "gethostbyname_r" "ac_cv_have_decl_gethostbyname_r" "#include <netdb.h>
+" "$ac_c_undeclared_builtin_options" "CFLAGS"
+if test "x$ac_cv_have_decl_gethostbyname_r" = xyes
+then :
   ac_have_decl=1
-else
+else $as_nop
   ac_have_decl=0
 fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_GETHOSTBYNAME_R $ac_have_decl
-_ACEOF
-if test $ac_have_decl = 1; then :
+printf "%s\n" "#define HAVE_DECL_GETHOSTBYNAME_R $ac_have_decl" >>confdefs.h
+if test $ac_have_decl = 1
+then :
 
     tcl_cv_api_gethostbyname_r=yes
-else
+else $as_nop
   tcl_cv_api_gethostbyname_r=no
 fi
 
@@ -8098,13 +8797,15 @@ fi
 
     if test "$tcl_cv_api_gethostbyname_r" = yes; then
 	ac_fn_c_check_func "$LINENO" "gethostbyname_r" "ac_cv_func_gethostbyname_r"
-if test "x$ac_cv_func_gethostbyname_r" = xyes; then :
+if test "x$ac_cv_func_gethostbyname_r" = xyes
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname_r with 6 args" >&5
-$as_echo_n "checking for gethostbyname_r with 6 args... " >&6; }
-if ${tcl_cv_api_gethostbyname_r_6+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyname_r with 6 args" >&5
+printf %s "checking for gethostbyname_r with 6 args... " >&6; }
+if test ${tcl_cv_api_gethostbyname_r_6+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8112,7 +8813,7 @@ else
 	#include <netdb.h>
 
 int
-main ()
+main (void)
 {
 
 	char *name;
@@ -8127,26 +8828,28 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_gethostbyname_r_6=yes
-else
+else $as_nop
   tcl_cv_api_gethostbyname_r_6=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_gethostbyname_r_6" >&5
-$as_echo "$tcl_cv_api_gethostbyname_r_6" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_gethostbyname_r_6" >&5
+printf "%s\n" "$tcl_cv_api_gethostbyname_r_6" >&6; }
     tcl_ok=$tcl_cv_api_gethostbyname_r_6
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETHOSTBYNAME_R_6 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETHOSTBYNAME_R_6 1" >>confdefs.h
 
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname_r with 5 args" >&5
-$as_echo_n "checking for gethostbyname_r with 5 args... " >&6; }
-if ${tcl_cv_api_gethostbyname_r_5+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyname_r with 5 args" >&5
+printf %s "checking for gethostbyname_r with 5 args... " >&6; }
+if test ${tcl_cv_api_gethostbyname_r_5+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8154,7 +8857,7 @@ else
 	    #include <netdb.h>
 
 int
-main ()
+main (void)
 {
 
 	    char *name;
@@ -8169,26 +8872,28 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_gethostbyname_r_5=yes
-else
+else $as_nop
   tcl_cv_api_gethostbyname_r_5=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_gethostbyname_r_5" >&5
-$as_echo "$tcl_cv_api_gethostbyname_r_5" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_gethostbyname_r_5" >&5
+printf "%s\n" "$tcl_cv_api_gethostbyname_r_5" >&6; }
 	tcl_ok=$tcl_cv_api_gethostbyname_r_5
 	if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETHOSTBYNAME_R_5 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETHOSTBYNAME_R_5 1" >>confdefs.h
 
 	else
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname_r with 3 args" >&5
-$as_echo_n "checking for gethostbyname_r with 3 args... " >&6; }
-if ${tcl_cv_api_gethostbyname_r_3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyname_r with 3 args" >&5
+printf %s "checking for gethostbyname_r with 3 args... " >&6; }
+if test ${tcl_cv_api_gethostbyname_r_3+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8196,7 +8901,7 @@ else
 		#include <netdb.h>
 
 int
-main ()
+main (void)
 {
 
 		char *name;
@@ -8209,26 +8914,27 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_gethostbyname_r_3=yes
-else
+else $as_nop
   tcl_cv_api_gethostbyname_r_3=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_gethostbyname_r_3" >&5
-$as_echo "$tcl_cv_api_gethostbyname_r_3" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_gethostbyname_r_3" >&5
+printf "%s\n" "$tcl_cv_api_gethostbyname_r_3" >&6; }
 	    tcl_ok=$tcl_cv_api_gethostbyname_r_3
 	    if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETHOSTBYNAME_R_3 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETHOSTBYNAME_R_3 1" >>confdefs.h
 
 	    fi
 	fi
     fi
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETHOSTBYNAME_R 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETHOSTBYNAME_R 1" >>confdefs.h
 
     fi
 
@@ -8238,21 +8944,20 @@ fi
 
 
     # Avoids picking hidden internal symbol from libc
-    ac_fn_c_check_decl "$LINENO" "gethostbyaddr_r" "ac_cv_have_decl_gethostbyaddr_r" "#include <netdb.h>
-"
-if test "x$ac_cv_have_decl_gethostbyaddr_r" = xyes; then :
+    ac_fn_check_decl "$LINENO" "gethostbyaddr_r" "ac_cv_have_decl_gethostbyaddr_r" "#include <netdb.h>
+" "$ac_c_undeclared_builtin_options" "CFLAGS"
+if test "x$ac_cv_have_decl_gethostbyaddr_r" = xyes
+then :
   ac_have_decl=1
-else
+else $as_nop
   ac_have_decl=0
 fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_GETHOSTBYADDR_R $ac_have_decl
-_ACEOF
-if test $ac_have_decl = 1; then :
+printf "%s\n" "#define HAVE_DECL_GETHOSTBYADDR_R $ac_have_decl" >>confdefs.h
+if test $ac_have_decl = 1
+then :
 
     tcl_cv_api_gethostbyaddr_r=yes
-else
+else $as_nop
   tcl_cv_api_gethostbyaddr_r=no
 fi
 
@@ -8260,13 +8965,15 @@ fi
 
     if test "$tcl_cv_api_gethostbyaddr_r" = yes; then
 	ac_fn_c_check_func "$LINENO" "gethostbyaddr_r" "ac_cv_func_gethostbyaddr_r"
-if test "x$ac_cv_func_gethostbyaddr_r" = xyes; then :
+if test "x$ac_cv_func_gethostbyaddr_r" = xyes
+then :
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyaddr_r with 7 args" >&5
-$as_echo_n "checking for gethostbyaddr_r with 7 args... " >&6; }
-if ${tcl_cv_api_gethostbyaddr_r_7+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyaddr_r with 7 args" >&5
+printf %s "checking for gethostbyaddr_r with 7 args... " >&6; }
+if test ${tcl_cv_api_gethostbyaddr_r_7+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8274,7 +8981,7 @@ else
 	#include <netdb.h>
 
 int
-main ()
+main (void)
 {
 
 	char *addr;
@@ -8292,26 +8999,28 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_gethostbyaddr_r_7=yes
-else
+else $as_nop
   tcl_cv_api_gethostbyaddr_r_7=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_gethostbyaddr_r_7" >&5
-$as_echo "$tcl_cv_api_gethostbyaddr_r_7" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_gethostbyaddr_r_7" >&5
+printf "%s\n" "$tcl_cv_api_gethostbyaddr_r_7" >&6; }
     tcl_ok=$tcl_cv_api_gethostbyaddr_r_7
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETHOSTBYADDR_R_7 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETHOSTBYADDR_R_7 1" >>confdefs.h
 
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyaddr_r with 8 args" >&5
-$as_echo_n "checking for gethostbyaddr_r with 8 args... " >&6; }
-if ${tcl_cv_api_gethostbyaddr_r_8+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyaddr_r with 8 args" >&5
+printf %s "checking for gethostbyaddr_r with 8 args... " >&6; }
+if test ${tcl_cv_api_gethostbyaddr_r_8+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8319,7 +9028,7 @@ else
 	    #include <netdb.h>
 
 int
-main ()
+main (void)
 {
 
 	    char *addr;
@@ -8337,25 +9046,26 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_api_gethostbyaddr_r_8=yes
-else
+else $as_nop
   tcl_cv_api_gethostbyaddr_r_8=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_gethostbyaddr_r_8" >&5
-$as_echo "$tcl_cv_api_gethostbyaddr_r_8" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_gethostbyaddr_r_8" >&5
+printf "%s\n" "$tcl_cv_api_gethostbyaddr_r_8" >&6; }
 	tcl_ok=$tcl_cv_api_gethostbyaddr_r_8
 	if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETHOSTBYADDR_R_8 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETHOSTBYADDR_R_8 1" >>confdefs.h
 
 	fi
     fi
     if test "$tcl_ok" = yes; then
 
-$as_echo "#define HAVE_GETHOSTBYADDR_R 1" >>confdefs.h
+printf "%s\n" "#define HAVE_GETHOSTBYADDR_R 1" >>confdefs.h
 
     fi
 
@@ -8374,42 +9084,27 @@ fi
 #	sys/modem.h is needed on HP-UX.
 #---------------------------------------------------------------------------
 
-for ac_header in termios.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "termios.h" "ac_cv_header_termios_h" "$ac_includes_default"
-if test "x$ac_cv_header_termios_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_TERMIOS_H 1
-_ACEOF
+ac_fn_c_check_header_compile "$LINENO" "termios.h" "ac_cv_header_termios_h" "$ac_includes_default"
+if test "x$ac_cv_header_termios_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_TERMIOS_H 1" >>confdefs.h
 
 fi
 
-done
-
-for ac_header in sys/ioctl.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_ioctl_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_IOCTL_H 1
-_ACEOF
+ac_fn_c_check_header_compile "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_ioctl_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_IOCTL_H 1" >>confdefs.h
 
 fi
 
-done
-
-for ac_header in sys/modem.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/modem.h" "ac_cv_header_sys_modem_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_modem_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_MODEM_H 1
-_ACEOF
+ac_fn_c_check_header_compile "$LINENO" "sys/modem.h" "ac_cv_header_sys_modem_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_modem_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_MODEM_H 1" >>confdefs.h
 
 fi
 
-done
-
 
 #--------------------------------------------------------------------
 #	Include sys/select.h if it exists and if it supplies things
@@ -8421,39 +9116,42 @@ done
 #	special flag.
 #--------------------------------------------------------------------
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fd_set in sys/types" >&5
-$as_echo_n "checking for fd_set in sys/types... " >&6; }
-if ${tcl_cv_type_fd_set+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fd_set in sys/types" >&5
+printf %s "checking for fd_set in sys/types... " >&6; }
+if test ${tcl_cv_type_fd_set+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 fd_set readMask, writeMask;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_type_fd_set=yes
-else
+else $as_nop
   tcl_cv_type_fd_set=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_type_fd_set" >&5
-$as_echo "$tcl_cv_type_fd_set" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_type_fd_set" >&5
+printf "%s\n" "$tcl_cv_type_fd_set" >&6; }
 tcl_ok=$tcl_cv_type_fd_set
 if test $tcl_ok = no; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fd_mask in sys/select" >&5
-$as_echo_n "checking for fd_mask in sys/select... " >&6; }
-if ${tcl_cv_grep_fd_mask+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fd_mask in sys/select" >&5
+printf %s "checking for fd_mask in sys/select... " >&6; }
+if test ${tcl_cv_grep_fd_mask+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8461,59 +9159,62 @@ else
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "fd_mask" >/dev/null 2>&1; then :
+  $EGREP "fd_mask" >/dev/null 2>&1
+then :
   tcl_cv_grep_fd_mask=present
-else
+else $as_nop
   tcl_cv_grep_fd_mask=missing
 fi
-rm -f conftest*
+rm -rf conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_grep_fd_mask" >&5
-$as_echo "$tcl_cv_grep_fd_mask" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_grep_fd_mask" >&5
+printf "%s\n" "$tcl_cv_grep_fd_mask" >&6; }
     if test $tcl_cv_grep_fd_mask = present; then
 
-$as_echo "#define HAVE_SYS_SELECT_H 1" >>confdefs.h
+printf "%s\n" "#define HAVE_SYS_SELECT_H 1" >>confdefs.h
 
 	tcl_ok=yes
     fi
 fi
 if test $tcl_ok = no; then
 
-$as_echo "#define NO_FD_SET 1" >>confdefs.h
+printf "%s\n" "#define NO_FD_SET 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pselect" >&5
-$as_echo_n "checking for pselect... " >&6; }
-if ${tcl_cv_func_pselect+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pselect" >&5
+printf %s "checking for pselect... " >&6; }
+if test ${tcl_cv_func_pselect+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 void *func = pselect;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_func_pselect=yes
-else
+else $as_nop
   tcl_cv_func_pselect=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_func_pselect" >&5
-$as_echo "$tcl_cv_func_pselect" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_func_pselect" >&5
+printf "%s\n" "$tcl_cv_func_pselect" >&6; }
 tcl_ok=$tcl_cv_func_pselect
 if test $tcl_ok = yes; then
 
-$as_echo "#define HAVE_PSELECT 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PSELECT 1" >>confdefs.h
 
 fi
 
@@ -8522,73 +9223,70 @@ fi
 #	kqueue(2) on {DragonFly,Free,Net,Open}BSD
 #------------------------------------------------------------------------
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for advanced notifier support" >&5
-$as_echo_n "checking for advanced notifier support... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for advanced notifier support" >&5
+printf %s "checking for advanced notifier support... " >&6; }
 case x`uname -s` in
   xLinux)
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: epoll(7)" >&5
-$as_echo "epoll(7)" >&6; }
-	for ac_header in sys/epoll.h
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: epoll(7)" >&5
+printf "%s\n" "epoll(7)" >&6; }
+	       for ac_header in sys/epoll.h
 do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/epoll.h" "ac_cv_header_sys_epoll_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_epoll_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_EPOLL_H 1
-_ACEOF
+  ac_fn_c_check_header_compile "$LINENO" "sys/epoll.h" "ac_cv_header_sys_epoll_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_epoll_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_EPOLL_H 1" >>confdefs.h
 
-$as_echo "#define NOTIFIER_EPOLL 1" >>confdefs.h
+printf "%s\n" "#define NOTIFIER_EPOLL 1" >>confdefs.h
 
 fi
 
 done
-
-	for ac_header in sys/eventfd.h
+	       for ac_header in sys/eventfd.h
 do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/eventfd.h" "ac_cv_header_sys_eventfd_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_eventfd_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_EVENTFD_H 1
-_ACEOF
+  ac_fn_c_check_header_compile "$LINENO" "sys/eventfd.h" "ac_cv_header_sys_eventfd_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_eventfd_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_EVENTFD_H 1" >>confdefs.h
 
-$as_echo "#define HAVE_EVENTFD 1" >>confdefs.h
+printf "%s\n" "#define HAVE_EVENTFD 1" >>confdefs.h
 
 fi
 
-done
-;;
+done;;
   xDragonFlyBSD|xFreeBSD|xNetBSD|xOpenBSD)
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: kqueue(2)" >&5
-$as_echo "kqueue(2)" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: kqueue(2)" >&5
+printf "%s\n" "kqueue(2)" >&6; }
 	# Messy because we want to check if *all* the headers are present, and not
 	# just *any*
 	tcl_kqueue_headers=x
-	for ac_header in sys/types.h sys/event.h sys/time.h
+	       for ac_header in sys/types.h sys/event.h sys/time.h
 do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  as_ac_Header=`printf "%s\n" "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"
+then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define `printf "%s\n" "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
  tcl_kqueue_headers=${tcl_kqueue_headers}y
 fi
 
 done
-
-	if test $tcl_kqueue_headers = xyyy; then :
+	if test $tcl_kqueue_headers = xyyy
+then :
 
 
-$as_echo "#define NOTIFIER_KQUEUE 1" >>confdefs.h
+printf "%s\n" "#define NOTIFIER_KQUEUE 1" >>confdefs.h
 
 fi;;
   xDarwin)
 	# Assume that we've got CoreFoundation present (checked elsewhere because
 	# of wider impact).
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: OSX" >&5
-$as_echo "OSX" >&6; };;
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: OSX" >&5
+printf "%s\n" "OSX" >&6; };;
   *)
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5
-$as_echo "none" >&6; };;
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none" >&5
+printf "%s\n" "none" >&6; };;
 esac
 
 #------------------------------------------------------------------------------
@@ -8597,112 +9295,100 @@ esac
 
 
 
-
-  for ac_header in $ac_header_list
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
-"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
+    ac_fn_c_check_header_compile "$LINENO" "sys/time.h" "ac_cv_header_sys_time_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_time_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_TIME_H 1" >>confdefs.h
 
 fi
 
-done
-
 
 
-
-    for ac_header in sys/time.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/time.h" "ac_cv_header_sys_time_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_time_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_TIME_H 1
-_ACEOF
+    ac_fn_c_check_func "$LINENO" "gmtime_r" "ac_cv_func_gmtime_r"
+if test "x$ac_cv_func_gmtime_r" = xyes
+then :
+  printf "%s\n" "#define HAVE_GMTIME_R 1" >>confdefs.h
 
 fi
+ac_fn_c_check_func "$LINENO" "localtime_r" "ac_cv_func_localtime_r"
+if test "x$ac_cv_func_localtime_r" = xyes
+then :
+  printf "%s\n" "#define HAVE_LOCALTIME_R 1" >>confdefs.h
 
-done
-
-
-
-    for ac_func in gmtime_r localtime_r mktime
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+fi
+ac_fn_c_check_func "$LINENO" "mktime" "ac_cv_func_mktime"
+if test "x$ac_cv_func_mktime" = xyes
+then :
+  printf "%s\n" "#define HAVE_MKTIME 1" >>confdefs.h
 
 fi
-done
 
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking tm_tzadj in struct tm" >&5
-$as_echo_n "checking tm_tzadj in struct tm... " >&6; }
-if ${tcl_cv_member_tm_tzadj+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking tm_tzadj in struct tm" >&5
+printf %s "checking tm_tzadj in struct tm... " >&6; }
+if test ${tcl_cv_member_tm_tzadj+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <time.h>
 int
-main ()
+main (void)
 {
 struct tm tm; (void)tm.tm_tzadj;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_member_tm_tzadj=yes
-else
+else $as_nop
   tcl_cv_member_tm_tzadj=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_member_tm_tzadj" >&5
-$as_echo "$tcl_cv_member_tm_tzadj" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_member_tm_tzadj" >&5
+printf "%s\n" "$tcl_cv_member_tm_tzadj" >&6; }
     if test $tcl_cv_member_tm_tzadj = yes ; then
 
-$as_echo "#define HAVE_TM_TZADJ 1" >>confdefs.h
+printf "%s\n" "#define HAVE_TM_TZADJ 1" >>confdefs.h
 
     fi
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking tm_gmtoff in struct tm" >&5
-$as_echo_n "checking tm_gmtoff in struct tm... " >&6; }
-if ${tcl_cv_member_tm_gmtoff+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking tm_gmtoff in struct tm" >&5
+printf %s "checking tm_gmtoff in struct tm... " >&6; }
+if test ${tcl_cv_member_tm_gmtoff+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <time.h>
 int
-main ()
+main (void)
 {
 struct tm tm; (void)tm.tm_gmtoff;
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_member_tm_gmtoff=yes
-else
+else $as_nop
   tcl_cv_member_tm_gmtoff=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_member_tm_gmtoff" >&5
-$as_echo "$tcl_cv_member_tm_gmtoff" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_member_tm_gmtoff" >&5
+printf "%s\n" "$tcl_cv_member_tm_gmtoff" >&6; }
     if test $tcl_cv_member_tm_gmtoff = yes ; then
 
-$as_echo "#define HAVE_TM_GMTOFF 1" >>confdefs.h
+printf "%s\n" "#define HAVE_TM_GMTOFF 1" >>confdefs.h
 
     fi
 
@@ -8710,18 +9396,19 @@ $as_echo "#define HAVE_TM_GMTOFF 1" >>confdefs.h
     # Its important to include time.h in this check, as some systems
     # (like convex) have timezone functions, etc.
     #
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking long timezone variable" >&5
-$as_echo_n "checking long timezone variable... " >&6; }
-if ${tcl_cv_timezone_long+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking long timezone variable" >&5
+printf %s "checking long timezone variable... " >&6; }
+if test ${tcl_cv_timezone_long+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <time.h>
 #include <stdlib.h>
 int
-main ()
+main (void)
 {
 extern long timezone;
 	    timezone += 1;
@@ -8730,35 +9417,37 @@ extern long timezone;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_timezone_long=yes
-else
+else $as_nop
   tcl_cv_timezone_long=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_timezone_long" >&5
-$as_echo "$tcl_cv_timezone_long" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_timezone_long" >&5
+printf "%s\n" "$tcl_cv_timezone_long" >&6; }
     if test $tcl_cv_timezone_long = yes ; then
 
-$as_echo "#define HAVE_TIMEZONE_VAR 1" >>confdefs.h
+printf "%s\n" "#define HAVE_TIMEZONE_VAR 1" >>confdefs.h
 
     else
 	#
 	# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
 	#
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking time_t timezone variable" >&5
-$as_echo_n "checking time_t timezone variable... " >&6; }
-if ${tcl_cv_timezone_time+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking time_t timezone variable" >&5
+printf %s "checking time_t timezone variable... " >&6; }
+if test ${tcl_cv_timezone_time+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <time.h>
 #include <stdlib.h>
 int
-main ()
+main (void)
 {
 extern time_t timezone;
 		timezone += 1;
@@ -8767,18 +9456,19 @@ extern time_t timezone;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_timezone_time=yes
-else
+else $as_nop
   tcl_cv_timezone_time=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_timezone_time" >&5
-$as_echo "$tcl_cv_timezone_time" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_timezone_time" >&5
+printf "%s\n" "$tcl_cv_timezone_time" >&6; }
 	if test $tcl_cv_timezone_time = yes ; then
 
-$as_echo "#define HAVE_TIMEZONE_VAR 1" >>confdefs.h
+printf "%s\n" "#define HAVE_TIMEZONE_VAR 1" >>confdefs.h
 
 	fi
     fi
@@ -8792,50 +9482,47 @@ $as_echo "#define HAVE_TIMEZONE_VAR 1" >>confdefs.h
 
 if test "$ac_cv_cygwin" != "yes"; then
     ac_fn_c_check_member "$LINENO" "struct stat" "st_blocks" "ac_cv_member_struct_stat_st_blocks" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_blocks" = xyes; then :
+if test "x$ac_cv_member_struct_stat_st_blocks" = xyes
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_BLOCKS 1
-_ACEOF
+printf "%s\n" "#define HAVE_STRUCT_STAT_ST_BLOCKS 1" >>confdefs.h
 
 
 fi
 ac_fn_c_check_member "$LINENO" "struct stat" "st_blksize" "ac_cv_member_struct_stat_st_blksize" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_blksize" = xyes; then :
+if test "x$ac_cv_member_struct_stat_st_blksize" = xyes
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_BLKSIZE 1
-_ACEOF
+printf "%s\n" "#define HAVE_STRUCT_STAT_ST_BLKSIZE 1" >>confdefs.h
 
 
 fi
 ac_fn_c_check_member "$LINENO" "struct stat" "st_rdev" "ac_cv_member_struct_stat_st_rdev" "$ac_includes_default"
-if test "x$ac_cv_member_struct_stat_st_rdev" = xyes; then :
+if test "x$ac_cv_member_struct_stat_st_rdev" = xyes
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_STRUCT_STAT_ST_RDEV 1
-_ACEOF
+printf "%s\n" "#define HAVE_STRUCT_STAT_ST_RDEV 1" >>confdefs.h
 
 
 fi
 
 fi
 ac_fn_c_check_type "$LINENO" "blkcnt_t" "ac_cv_type_blkcnt_t" "$ac_includes_default"
-if test "x$ac_cv_type_blkcnt_t" = xyes; then :
+if test "x$ac_cv_type_blkcnt_t" = xyes
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_BLKCNT_T 1
-_ACEOF
+printf "%s\n" "#define HAVE_BLKCNT_T 1" >>confdefs.h
 
 
 fi
 
 ac_fn_c_check_func "$LINENO" "fstatfs" "ac_cv_func_fstatfs"
-if test "x$ac_cv_func_fstatfs" = xyes; then :
+if test "x$ac_cv_func_fstatfs" = xyes
+then :
 
-else
+else $as_nop
 
-$as_echo "#define NO_FSTATFS 1" >>confdefs.h
+printf "%s\n" "#define NO_FSTATFS 1" >>confdefs.h
 
 fi
 
@@ -8847,15 +9534,16 @@ fi
 #--------------------------------------------------------------------
 
 ac_fn_c_check_func "$LINENO" "memmove" "ac_cv_func_memmove"
-if test "x$ac_cv_func_memmove" = xyes; then :
+if test "x$ac_cv_func_memmove" = xyes
+then :
 
-else
+else $as_nop
 
 
-$as_echo "#define NO_MEMMOVE 1" >>confdefs.h
+printf "%s\n" "#define NO_MEMMOVE 1" >>confdefs.h
 
 
-$as_echo "#define NO_STRING_H 1" >>confdefs.h
+printf "%s\n" "#define NO_STRING_H 1" >>confdefs.h
 
 fi
 
@@ -8866,74 +9554,101 @@ fi
 #--------------------------------------------------------------------
 
 ac_fn_c_check_type "$LINENO" "mode_t" "ac_cv_type_mode_t" "$ac_includes_default"
-if test "x$ac_cv_type_mode_t" = xyes; then :
+if test "x$ac_cv_type_mode_t" = xyes
+then :
 
-else
+else $as_nop
 
-cat >>confdefs.h <<_ACEOF
-#define mode_t int
-_ACEOF
+printf "%s\n" "#define mode_t int" >>confdefs.h
 
 fi
 
-ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default"
-if test "x$ac_cv_type_pid_t" = xyes; then :
 
-else
+  ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default
+"
+if test "x$ac_cv_type_pid_t" = xyes
+then :
+
+else $as_nop
+                                          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+          #if defined _WIN64 && !defined __CYGWIN__
+          LLP64
+          #endif
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
 
-cat >>confdefs.h <<_ACEOF
-#define pid_t int
 _ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_pid_type='int'
+else $as_nop
+  ac_pid_type='__int64'
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+printf "%s\n" "#define pid_t $ac_pid_type" >>confdefs.h
+
 
 fi
 
+
 ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
-if test "x$ac_cv_type_size_t" = xyes; then :
+if test "x$ac_cv_type_size_t" = xyes
+then :
 
-else
+else $as_nop
 
-cat >>confdefs.h <<_ACEOF
-#define size_t unsigned int
-_ACEOF
+printf "%s\n" "#define size_t unsigned int" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uid_t in sys/types.h" >&5
-$as_echo_n "checking for uid_t in sys/types.h... " >&6; }
-if ${ac_cv_type_uid_t+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for uid_t in sys/types.h" >&5
+printf %s "checking for uid_t in sys/types.h... " >&6; }
+if test ${ac_cv_type_uid_t+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "uid_t" >/dev/null 2>&1; then :
+  $EGREP "uid_t" >/dev/null 2>&1
+then :
   ac_cv_type_uid_t=yes
-else
+else $as_nop
   ac_cv_type_uid_t=no
 fi
-rm -f conftest*
+rm -rf conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_uid_t" >&5
-$as_echo "$ac_cv_type_uid_t" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_uid_t" >&5
+printf "%s\n" "$ac_cv_type_uid_t" >&6; }
 if test $ac_cv_type_uid_t = no; then
 
-$as_echo "#define uid_t int" >>confdefs.h
+printf "%s\n" "#define uid_t int" >>confdefs.h
 
 
-$as_echo "#define gid_t int" >>confdefs.h
+printf "%s\n" "#define gid_t int" >>confdefs.h
 
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for socklen_t" >&5
-$as_echo_n "checking for socklen_t... " >&6; }
-if ${tcl_cv_type_socklen_t+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for socklen_t" >&5
+printf %s "checking for socklen_t... " >&6; }
+if test ${tcl_cv_type_socklen_t+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8942,7 +9657,7 @@ else
 	#include <sys/socket.h>
 
 int
-main ()
+main (void)
 {
 
     	socklen_t foo;
@@ -8951,18 +9666,19 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_type_socklen_t=yes
-else
+else $as_nop
   tcl_cv_type_socklen_t=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_type_socklen_t" >&5
-$as_echo "$tcl_cv_type_socklen_t" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_type_socklen_t" >&5
+printf "%s\n" "$tcl_cv_type_socklen_t" >&6; }
 if test $tcl_cv_type_socklen_t = no; then
 
-$as_echo "#define socklen_t int" >>confdefs.h
+printf "%s\n" "#define socklen_t int" >>confdefs.h
 
 fi
 
@@ -8970,11 +9686,10 @@ ac_fn_c_check_type "$LINENO" "intptr_t" "ac_cv_type_intptr_t" "
 #include <stdint.h>
 
 "
-if test "x$ac_cv_type_intptr_t" = xyes; then :
+if test "x$ac_cv_type_intptr_t" = xyes
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_INTPTR_T 1
-_ACEOF
+printf "%s\n" "#define HAVE_INTPTR_T 1" >>confdefs.h
 
 
 fi
@@ -8982,11 +9697,10 @@ ac_fn_c_check_type "$LINENO" "uintptr_t" "ac_cv_type_uintptr_t" "
 #include <stdint.h>
 
 "
-if test "x$ac_cv_type_uintptr_t" = xyes; then :
+if test "x$ac_cv_type_uintptr_t" = xyes
+then :
 
-cat >>confdefs.h <<_ACEOF
-#define HAVE_UINTPTR_T 1
-_ACEOF
+printf "%s\n" "#define HAVE_UINTPTR_T 1" >>confdefs.h
 
 
 fi
@@ -9000,18 +9714,19 @@ fi
 #	the trick.
 #--------------------------------------------------------------------
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking union wait" >&5
-$as_echo_n "checking union wait... " >&6; }
-if ${tcl_cv_union_wait+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking union wait" >&5
+printf %s "checking union wait... " >&6; }
+if test ${tcl_cv_union_wait+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/wait.h>
 int
-main ()
+main (void)
 {
 
 union wait x;
@@ -9022,19 +9737,20 @@ WIFEXITED(x);		/* Generates compiler error if WIFEXITED
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_union_wait=yes
-else
+else $as_nop
   tcl_cv_union_wait=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_union_wait" >&5
-$as_echo "$tcl_cv_union_wait" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_union_wait" >&5
+printf "%s\n" "$tcl_cv_union_wait" >&6; }
 if test $tcl_cv_union_wait = no; then
 
-$as_echo "#define NO_UNION_WAIT 1" >>confdefs.h
+printf "%s\n" "#define NO_UNION_WAIT 1" >>confdefs.h
 
 fi
 
@@ -9045,18 +9761,20 @@ fi
 #--------------------------------------------------------------------
 
 ac_fn_c_check_func "$LINENO" "strncasecmp" "ac_cv_func_strncasecmp"
-if test "x$ac_cv_func_strncasecmp" = xyes; then :
+if test "x$ac_cv_func_strncasecmp" = xyes
+then :
   tcl_ok=1
-else
+else $as_nop
   tcl_ok=0
 fi
 
 if test "$tcl_ok" = 0; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for strncasecmp in -lsocket" >&5
-$as_echo_n "checking for strncasecmp in -lsocket... " >&6; }
-if ${ac_cv_lib_socket_strncasecmp+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for strncasecmp in -lsocket" >&5
+printf %s "checking for strncasecmp in -lsocket... " >&6; }
+if test ${ac_cv_lib_socket_strncasecmp+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -9065,42 +9783,42 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char strncasecmp ();
 int
-main ()
+main (void)
 {
 return strncasecmp ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_socket_strncasecmp=yes
-else
+else $as_nop
   ac_cv_lib_socket_strncasecmp=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_strncasecmp" >&5
-$as_echo "$ac_cv_lib_socket_strncasecmp" >&6; }
-if test "x$ac_cv_lib_socket_strncasecmp" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_strncasecmp" >&5
+printf "%s\n" "$ac_cv_lib_socket_strncasecmp" >&6; }
+if test "x$ac_cv_lib_socket_strncasecmp" = xyes
+then :
   tcl_ok=1
-else
+else $as_nop
   tcl_ok=0
 fi
 
 fi
 if test "$tcl_ok" = 0; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for strncasecmp in -linet" >&5
-$as_echo_n "checking for strncasecmp in -linet... " >&6; }
-if ${ac_cv_lib_inet_strncasecmp+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for strncasecmp in -linet" >&5
+printf %s "checking for strncasecmp in -linet... " >&6; }
+if test ${ac_cv_lib_inet_strncasecmp+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-linet  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -9109,32 +9827,31 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
    builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
 char strncasecmp ();
 int
-main ()
+main (void)
 {
 return strncasecmp ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   ac_cv_lib_inet_strncasecmp=yes
-else
+else $as_nop
   ac_cv_lib_inet_strncasecmp=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_inet_strncasecmp" >&5
-$as_echo "$ac_cv_lib_inet_strncasecmp" >&6; }
-if test "x$ac_cv_lib_inet_strncasecmp" = xyes; then :
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_inet_strncasecmp" >&5
+printf "%s\n" "$ac_cv_lib_inet_strncasecmp" >&6; }
+if test "x$ac_cv_lib_inet_strncasecmp" = xyes
+then :
   tcl_ok=1
-else
+else $as_nop
   tcl_ok=0
 fi
 
@@ -9159,21 +9876,23 @@ fi
 #--------------------------------------------------------------------
 
 ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
-if test "x$ac_cv_func_gettimeofday" = xyes; then :
+if test "x$ac_cv_func_gettimeofday" = xyes
+then :
 
-else
+else $as_nop
 
 
-$as_echo "#define NO_GETTOD 1" >>confdefs.h
+printf "%s\n" "#define NO_GETTOD 1" >>confdefs.h
 
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gettimeofday declaration" >&5
-$as_echo_n "checking for gettimeofday declaration... " >&6; }
-if ${tcl_cv_grep_gettimeofday+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gettimeofday declaration" >&5
+printf %s "checking for gettimeofday declaration... " >&6; }
+if test ${tcl_cv_grep_gettimeofday+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -9181,19 +9900,20 @@ else
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "gettimeofday" >/dev/null 2>&1; then :
+  $EGREP "gettimeofday" >/dev/null 2>&1
+then :
   tcl_cv_grep_gettimeofday=present
-else
+else $as_nop
   tcl_cv_grep_gettimeofday=missing
 fi
-rm -f conftest*
+rm -rf conftest*
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_grep_gettimeofday" >&5
-$as_echo "$tcl_cv_grep_gettimeofday" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_grep_gettimeofday" >&5
+printf "%s\n" "$tcl_cv_grep_gettimeofday" >&6; }
 if test $tcl_cv_grep_gettimeofday = missing ; then
 
-$as_echo "#define GETTOD_NOT_DECLARED 1" >>confdefs.h
+printf "%s\n" "#define GETTOD_NOT_DECLARED 1" >>confdefs.h
 
 fi
 
@@ -9203,16 +9923,17 @@ fi
 #	properly generate sign-extended ints from character values.
 #--------------------------------------------------------------------
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether char is unsigned" >&5
-$as_echo_n "checking whether char is unsigned... " >&6; }
-if ${ac_cv_c_char_unsigned+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether char is unsigned" >&5
+printf %s "checking whether char is unsigned... " >&6; }
+if test ${ac_cv_c_char_unsigned+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 int
-main ()
+main (void)
 {
 static int test_array [1 - 2 * !(((char) -1) < 0)];
 test_array [0] = 0;
@@ -9222,31 +9943,33 @@ return test_array [0];
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   ac_cv_c_char_unsigned=no
-else
+else $as_nop
   ac_cv_c_char_unsigned=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_char_unsigned" >&5
-$as_echo "$ac_cv_c_char_unsigned" >&6; }
-if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then
-  $as_echo "#define __CHAR_UNSIGNED__ 1" >>confdefs.h
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_char_unsigned" >&5
+printf "%s\n" "$ac_cv_c_char_unsigned" >&6; }
+if test $ac_cv_c_char_unsigned = yes; then
+  printf "%s\n" "#define __CHAR_UNSIGNED__ 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking signed char declarations" >&5
-$as_echo_n "checking signed char declarations... " >&6; }
-if ${tcl_cv_char_signed+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking signed char declarations" >&5
+printf %s "checking signed char declarations... " >&6; }
+if test ${tcl_cv_char_signed+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
 	signed char *p;
@@ -9256,18 +9979,19 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_char_signed=yes
-else
+else $as_nop
   tcl_cv_char_signed=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_char_signed" >&5
-$as_echo "$tcl_cv_char_signed" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_char_signed" >&5
+printf "%s\n" "$tcl_cv_char_signed" >&6; }
 if test $tcl_cv_char_signed = yes; then
 
-$as_echo "#define HAVE_SIGNED_CHAR 1" >>confdefs.h
+printf "%s\n" "#define HAVE_SIGNED_CHAR 1" >>confdefs.h
 
 fi
 
@@ -9275,15 +9999,17 @@ fi
 #  Does putenv() copy or not?  We need to know to avoid memory leaks.
 #--------------------------------------------------------------------
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a putenv() that copies the buffer" >&5
-$as_echo_n "checking for a putenv() that copies the buffer... " >&6; }
-if ${tcl_cv_putenv_copy+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a putenv() that copies the buffer" >&5
+printf %s "checking for a putenv() that copies the buffer... " >&6; }
+if test ${tcl_cv_putenv_copy+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
-    if test "$cross_compiling" = yes; then :
+    if test "$cross_compiling" = yes
+then :
   tcl_cv_putenv_copy=no
-else
+else $as_nop
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9307,9 +10033,10 @@ else
 	}
 
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
+if ac_fn_c_try_run "$LINENO"
+then :
   tcl_cv_putenv_copy=no
-else
+else $as_nop
   tcl_cv_putenv_copy=yes
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
@@ -9317,11 +10044,11 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_putenv_copy" >&5
-$as_echo "$tcl_cv_putenv_copy" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_putenv_copy" >&5
+printf "%s\n" "$tcl_cv_putenv_copy" >&6; }
 if test $tcl_cv_putenv_copy = yes; then
 
-$as_echo "#define HAVE_PUTENV_THAT_COPIES 1" >>confdefs.h
+printf "%s\n" "#define HAVE_PUTENV_THAT_COPIES 1" >>confdefs.h
 
 fi
 
@@ -9331,60 +10058,63 @@ fi
 
 
     # Check whether --enable-langinfo was given.
-if test "${enable_langinfo+set}" = set; then :
+if test ${enable_langinfo+y}
+then :
   enableval=$enable_langinfo; langinfo_ok=$enableval
-else
+else $as_nop
   langinfo_ok=yes
 fi
 
 
     HAVE_LANGINFO=0
     if test "$langinfo_ok" = "yes"; then
-	ac_fn_c_check_header_mongrel "$LINENO" "langinfo.h" "ac_cv_header_langinfo_h" "$ac_includes_default"
-if test "x$ac_cv_header_langinfo_h" = xyes; then :
+	ac_fn_c_check_header_compile "$LINENO" "langinfo.h" "ac_cv_header_langinfo_h" "$ac_includes_default"
+if test "x$ac_cv_header_langinfo_h" = xyes
+then :
   langinfo_ok=yes
-else
+else $as_nop
   langinfo_ok=no
 fi
 
-
     fi
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use nl_langinfo" >&5
-$as_echo_n "checking whether to use nl_langinfo... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to use nl_langinfo" >&5
+printf %s "checking whether to use nl_langinfo... " >&6; }
     if test "$langinfo_ok" = "yes"; then
-	if ${tcl_cv_langinfo_h+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	if test ${tcl_cv_langinfo_h+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <langinfo.h>
 int
-main ()
+main (void)
 {
 nl_langinfo(CODESET);
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_langinfo_h=yes
-else
+else $as_nop
   tcl_cv_langinfo_h=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_langinfo_h" >&5
-$as_echo "$tcl_cv_langinfo_h" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_langinfo_h" >&5
+printf "%s\n" "$tcl_cv_langinfo_h" >&6; }
 	if test $tcl_cv_langinfo_h = yes; then
 
-$as_echo "#define HAVE_LANGINFO 1" >>confdefs.h
+printf "%s\n" "#define HAVE_LANGINFO 1" >>confdefs.h
 
 	fi
     else
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $langinfo_ok" >&5
-$as_echo "$langinfo_ok" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $langinfo_ok" >&5
+printf "%s\n" "$langinfo_ok" >&6; }
     fi
 
 
@@ -9392,17 +10122,24 @@ $as_echo "$langinfo_ok" >&6; }
 # Check for support of cfmakeraw, chflags and mkstemps functions
 #--------------------------------------------------------------------
 
-for ac_func in cfmakeraw chflags mkstemps
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
+ac_fn_c_check_func "$LINENO" "cfmakeraw" "ac_cv_func_cfmakeraw"
+if test "x$ac_cv_func_cfmakeraw" = xyes
+then :
+  printf "%s\n" "#define HAVE_CFMAKERAW 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "chflags" "ac_cv_func_chflags"
+if test "x$ac_cv_func_chflags" = xyes
+then :
+  printf "%s\n" "#define HAVE_CHFLAGS 1" >>confdefs.h
+
+fi
+ac_fn_c_check_func "$LINENO" "mkstemps" "ac_cv_func_mkstemps"
+if test "x$ac_cv_func_mkstemps" = xyes
+then :
+  printf "%s\n" "#define HAVE_MKSTEMPS 1" >>confdefs.h
 
 fi
-done
 
 
 #--------------------------------------------------------------------
@@ -9410,89 +10147,63 @@ done
 #--------------------------------------------------------------------
 
 if test "`uname -s`" = "Darwin" ; then
-    for ac_func in getattrlist
-do :
-  ac_fn_c_check_func "$LINENO" "getattrlist" "ac_cv_func_getattrlist"
-if test "x$ac_cv_func_getattrlist" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_GETATTRLIST 1
-_ACEOF
+    ac_fn_c_check_func "$LINENO" "getattrlist" "ac_cv_func_getattrlist"
+if test "x$ac_cv_func_getattrlist" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETATTRLIST 1" >>confdefs.h
 
 fi
-done
 
-    for ac_header in copyfile.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "copyfile.h" "ac_cv_header_copyfile_h" "$ac_includes_default"
-if test "x$ac_cv_header_copyfile_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_COPYFILE_H 1
-_ACEOF
+    ac_fn_c_check_header_compile "$LINENO" "copyfile.h" "ac_cv_header_copyfile_h" "$ac_includes_default"
+if test "x$ac_cv_header_copyfile_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_COPYFILE_H 1" >>confdefs.h
 
 fi
 
-done
-
-    for ac_func in copyfile
-do :
-  ac_fn_c_check_func "$LINENO" "copyfile" "ac_cv_func_copyfile"
-if test "x$ac_cv_func_copyfile" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_COPYFILE 1
-_ACEOF
+    ac_fn_c_check_func "$LINENO" "copyfile" "ac_cv_func_copyfile"
+if test "x$ac_cv_func_copyfile" = xyes
+then :
+  printf "%s\n" "#define HAVE_COPYFILE 1" >>confdefs.h
 
 fi
-done
 
     if test $tcl_corefoundation = yes; then
-	for ac_header in libkern/OSAtomic.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "libkern/OSAtomic.h" "ac_cv_header_libkern_OSAtomic_h" "$ac_includes_default"
-if test "x$ac_cv_header_libkern_OSAtomic_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBKERN_OSATOMIC_H 1
-_ACEOF
+	ac_fn_c_check_header_compile "$LINENO" "libkern/OSAtomic.h" "ac_cv_header_libkern_OSAtomic_h" "$ac_includes_default"
+if test "x$ac_cv_header_libkern_OSAtomic_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_LIBKERN_OSATOMIC_H 1" >>confdefs.h
 
 fi
 
-done
-
-	for ac_func in OSSpinLockLock
-do :
-  ac_fn_c_check_func "$LINENO" "OSSpinLockLock" "ac_cv_func_OSSpinLockLock"
-if test "x$ac_cv_func_OSSpinLockLock" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_OSSPINLOCKLOCK 1
-_ACEOF
+	ac_fn_c_check_func "$LINENO" "OSSpinLockLock" "ac_cv_func_OSSpinLockLock"
+if test "x$ac_cv_func_OSSpinLockLock" = xyes
+then :
+  printf "%s\n" "#define HAVE_OSSPINLOCKLOCK 1" >>confdefs.h
 
 fi
-done
 
     fi
 
-$as_echo "#define TCL_LOAD_FROM_MEMORY 1" >>confdefs.h
+printf "%s\n" "#define TCL_LOAD_FROM_MEMORY 1" >>confdefs.h
 
 
-$as_echo "#define TCL_WIDE_CLICKS 1" >>confdefs.h
+printf "%s\n" "#define TCL_WIDE_CLICKS 1" >>confdefs.h
 
-    for ac_header in AvailabilityMacros.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "AvailabilityMacros.h" "ac_cv_header_AvailabilityMacros_h" "$ac_includes_default"
-if test "x$ac_cv_header_AvailabilityMacros_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_AVAILABILITYMACROS_H 1
-_ACEOF
+    ac_fn_c_check_header_compile "$LINENO" "AvailabilityMacros.h" "ac_cv_header_AvailabilityMacros_h" "$ac_includes_default"
+if test "x$ac_cv_header_AvailabilityMacros_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_AVAILABILITYMACROS_H 1" >>confdefs.h
 
 fi
 
-done
-
     if test "$ac_cv_header_AvailabilityMacros_h" = yes; then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if weak import is available" >&5
-$as_echo_n "checking if weak import is available... " >&6; }
-if ${tcl_cv_cc_weak_import+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if weak import is available" >&5
+printf %s "checking if weak import is available... " >&6; }
+if test ${tcl_cv_cc_weak_import+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	    hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
 	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -9508,34 +10219,36 @@ else
 		    int rand(void) __attribute__((weak_import));
 
 int
-main ()
+main (void)
 {
 rand();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_cc_weak_import=yes
-else
+else $as_nop
   tcl_cv_cc_weak_import=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 	    CFLAGS=$hold_cflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_weak_import" >&5
-$as_echo "$tcl_cv_cc_weak_import" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_weak_import" >&5
+printf "%s\n" "$tcl_cv_cc_weak_import" >&6; }
 	if test $tcl_cv_cc_weak_import = yes; then
 
-$as_echo "#define HAVE_WEAK_IMPORT 1" >>confdefs.h
+printf "%s\n" "#define HAVE_WEAK_IMPORT 1" >>confdefs.h
 
 	fi
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if Darwin SUSv3 extensions are available" >&5
-$as_echo_n "checking if Darwin SUSv3 extensions are available... " >&6; }
-if ${tcl_cv_cc_darwin_c_source+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if Darwin SUSv3 extensions are available" >&5
+printf %s "checking if Darwin SUSv3 extensions are available... " >&6; }
+if test ${tcl_cv_cc_darwin_c_source+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	    hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
 	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -9552,26 +10265,27 @@ else
 		    #include <sys/cdefs.h>
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"
+then :
   tcl_cv_cc_darwin_c_source=yes
-else
+else $as_nop
   tcl_cv_cc_darwin_c_source=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	    CFLAGS=$hold_cflags
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_darwin_c_source" >&5
-$as_echo "$tcl_cv_cc_darwin_c_source" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cc_darwin_c_source" >&5
+printf "%s\n" "$tcl_cv_cc_darwin_c_source" >&6; }
 	if test $tcl_cv_cc_darwin_c_source = yes; then
 
-$as_echo "#define _DARWIN_C_SOURCE 1" >>confdefs.h
+printf "%s\n" "#define _DARWIN_C_SOURCE 1" >>confdefs.h
 
 	fi
     fi
@@ -9587,11 +10301,12 @@ fi
 #	Check for support of fts functions (readdir replacement)
 #--------------------------------------------------------------------
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fts" >&5
-$as_echo_n "checking for fts... " >&6; }
-if ${tcl_cv_api_fts+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fts" >&5
+printf %s "checking for fts... " >&6; }
+if test ${tcl_cv_api_fts+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -9601,7 +10316,7 @@ else
 	    #include <fts.h>
 
 int
-main ()
+main (void)
 {
 
 	    char*const p[2] = {"/", NULL};
@@ -9612,19 +10327,20 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_api_fts=yes
-else
+else $as_nop
   tcl_cv_api_fts=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_fts" >&5
-$as_echo "$tcl_cv_api_fts" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_api_fts" >&5
+printf "%s\n" "$tcl_cv_api_fts" >&6; }
 if test $tcl_cv_api_fts = yes; then
 
-$as_echo "#define HAVE_FTS 1" >>confdefs.h
+printf "%s\n" "#define HAVE_FTS 1" >>confdefs.h
 
 fi
 
@@ -9635,44 +10351,35 @@ fi
 #--------------------------------------------------------------------
 
 
-    for ac_header in sys/ioctl.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_ioctl_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_IOCTL_H 1
-_ACEOF
+    ac_fn_c_check_header_compile "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_ioctl_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_IOCTL_H 1" >>confdefs.h
 
 fi
 
-done
-
-    for ac_header in sys/filio.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/filio.h" "ac_cv_header_sys_filio_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_filio_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_FILIO_H 1
-_ACEOF
+    ac_fn_c_check_header_compile "$LINENO" "sys/filio.h" "ac_cv_header_sys_filio_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_filio_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_FILIO_H 1" >>confdefs.h
 
 fi
 
-done
 
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking system version" >&5
-$as_echo_n "checking system version... " >&6; }
-if ${tcl_cv_sys_version+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking system version" >&5
+printf %s "checking system version... " >&6; }
+if test ${tcl_cv_sys_version+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	if test "${TEA_PLATFORM}" = "windows" ; then
 	    tcl_cv_sys_version=windows
 	else
 	    tcl_cv_sys_version=`uname -s`-`uname -r`
 	    if test "$?" -ne 0 ; then
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: can't find uname command" >&5
-$as_echo "$as_me: WARNING: can't find uname command" >&2;}
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: can't find uname command" >&5
+printf "%s\n" "$as_me: WARNING: can't find uname command" >&2;}
 		tcl_cv_sys_version=unknown
 	    else
 		if test "`uname -s`" = "AIX" ; then
@@ -9685,45 +10392,46 @@ $as_echo "$as_me: WARNING: can't find uname command" >&2;}
 	fi
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_sys_version" >&5
-$as_echo "$tcl_cv_sys_version" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_sys_version" >&5
+printf "%s\n" "$tcl_cv_sys_version" >&6; }
     system=$tcl_cv_sys_version
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
-$as_echo_n "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
+printf %s "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O... " >&6; }
     case $system in
 	OSF*)
 
-$as_echo "#define USE_FIONBIO 1" >>confdefs.h
+printf "%s\n" "#define USE_FIONBIO 1" >>confdefs.h
 
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: FIONBIO" >&5
-$as_echo "FIONBIO" >&6; }
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: FIONBIO" >&5
+printf "%s\n" "FIONBIO" >&6; }
 	    ;;
 	*)
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: O_NONBLOCK" >&5
-$as_echo "O_NONBLOCK" >&6; }
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: O_NONBLOCK" >&5
+printf "%s\n" "O_NONBLOCK" >&6; }
 	    ;;
     esac
 
 
 #------------------------------------------------------------------------
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use dll unloading" >&5
-$as_echo_n "checking whether to use dll unloading... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to use dll unloading" >&5
+printf %s "checking whether to use dll unloading... " >&6; }
 # Check whether --enable-dll-unloading was given.
-if test "${enable_dll_unloading+set}" = set; then :
+if test ${enable_dll_unloading+y}
+then :
   enableval=$enable_dll_unloading; tcl_ok=$enableval
-else
+else $as_nop
   tcl_ok=yes
 fi
 
 if test $tcl_ok = yes; then
 
-$as_echo "#define TCL_UNLOAD_DLLS 1" >>confdefs.h
+printf "%s\n" "#define TCL_UNLOAD_DLLS 1" >>confdefs.h
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_ok" >&5
-$as_echo "$tcl_ok" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_ok" >&5
+printf "%s\n" "$tcl_ok" >&6; }
 
 #------------------------------------------------------------------------
 #	Check whether the timezone data is supplied by the OS or has
@@ -9731,13 +10439,14 @@ $as_echo "$tcl_ok" >&6; }
 #	be overridden on the configure command line either way.
 #------------------------------------------------------------------------
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for timezone data" >&5
-$as_echo_n "checking for timezone data... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for timezone data" >&5
+printf %s "checking for timezone data... " >&6; }
 
 # Check whether --with-tzdata was given.
-if test "${with_tzdata+set}" = set; then :
+if test ${with_tzdata+y}
+then :
   withval=$with_tzdata; tcl_ok=$withval
-else
+else $as_nop
   tcl_ok=auto
 fi
 
@@ -9747,16 +10456,17 @@ fi
 #
 case $tcl_ok in
     no)
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: supplied by OS vendor" >&5
-$as_echo "supplied by OS vendor" >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: supplied by OS vendor" >&5
+printf "%s\n" "supplied by OS vendor" >&6; }
     ;;
     yes)
 	# nothing to do here
     ;;
     auto*)
-	if ${tcl_cv_dir_zoneinfo+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+	if test ${tcl_cv_dir_zoneinfo+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
 	for dir in /usr/share/zoneinfo \
 		/usr/share/lib/zoneinfo \
@@ -9772,8 +10482,8 @@ fi
 
 	if test -n "$tcl_cv_dir_zoneinfo"; then
 	    tcl_ok=no
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dir" >&5
-$as_echo "$dir" >&6; }
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $dir" >&5
+printf "%s\n" "$dir" >&6; }
 	else
 	    tcl_ok=yes
 	fi
@@ -9784,8 +10494,8 @@ $as_echo "$dir" >&6; }
 esac
 if test $tcl_ok = yes
 then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: supplied by Tcl" >&5
-$as_echo "supplied by Tcl" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: supplied by Tcl" >&5
+printf "%s\n" "supplied by Tcl" >&6; }
     INSTALL_TZDATA=install-tzdata
 fi
 
@@ -9794,30 +10504,32 @@ fi
 #--------------------------------------------------------------------
 
 # Check whether --enable-dtrace was given.
-if test "${enable_dtrace+set}" = set; then :
+if test ${enable_dtrace+y}
+then :
   enableval=$enable_dtrace; tcl_ok=$enableval
-else
+else $as_nop
   tcl_ok=no
 fi
 
 if test $tcl_ok = yes; then
-    ac_fn_c_check_header_mongrel "$LINENO" "sys/sdt.h" "ac_cv_header_sys_sdt_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_sdt_h" = xyes; then :
+    ac_fn_c_check_header_compile "$LINENO" "sys/sdt.h" "ac_cv_header_sys_sdt_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_sdt_h" = xyes
+then :
   tcl_ok=yes
-else
+else $as_nop
   tcl_ok=no
 fi
 
-
 fi
 if test $tcl_ok = yes; then
     # Extract the first word of "dtrace", so it can be a program name with args.
 set dummy dtrace; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_DTRACE+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_DTRACE+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   case $DTRACE in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_DTRACE="$DTRACE" # Let the user override the test with a path.
@@ -9828,11 +10540,15 @@ as_dummy="$PATH:/usr/sbin"
 for as_dir in $as_dummy
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_path_DTRACE="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+  if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+    ac_cv_path_DTRACE="$as_dir$ac_word$ac_exec_ext"
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -9844,22 +10560,22 @@ esac
 fi
 DTRACE=$ac_cv_path_DTRACE
 if test -n "$DTRACE"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DTRACE" >&5
-$as_echo "$DTRACE" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DTRACE" >&5
+printf "%s\n" "$DTRACE" >&6; }
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 fi
 
 
     test -z "$ac_cv_path_DTRACE" && tcl_ok=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable DTrace support" >&5
-$as_echo_n "checking whether to enable DTrace support... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable DTrace support" >&5
+printf %s "checking whether to enable DTrace support... " >&6; }
 MAKEFILE_SHELL='/bin/sh'
 if test $tcl_ok = yes; then
 
-$as_echo "#define USE_DTRACE 1" >>confdefs.h
+printf "%s\n" "#define USE_DTRACE 1" >>confdefs.h
 
     DTRACE_SRC="\${DTRACE_SRC}"
     DTRACE_HDR="\${DTRACE_HDR}"
@@ -9877,24 +10593,25 @@ $as_echo "#define USE_DTRACE 1" >>confdefs.h
 	fi
     fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_ok" >&5
-$as_echo "$tcl_ok" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_ok" >&5
+printf "%s\n" "$tcl_ok" >&6; }
 
 #--------------------------------------------------------------------
 # The check below checks whether the cpuid instruction is usable.
 #--------------------------------------------------------------------
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the cpuid instruction is usable" >&5
-$as_echo_n "checking whether the cpuid instruction is usable... " >&6; }
-if ${tcl_cv_cpuid+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the cpuid instruction is usable" >&5
+printf %s "checking whether the cpuid instruction is usable... " >&6; }
+if test ${tcl_cv_cpuid+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
-main ()
+main (void)
 {
 
 	int index,regsPtr[4];
@@ -9909,19 +10626,20 @@ main ()
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"
+then :
   tcl_cv_cpuid=yes
-else
+else $as_nop
   tcl_cv_cpuid=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cpuid" >&5
-$as_echo "$tcl_cv_cpuid" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cpuid" >&5
+printf "%s\n" "$tcl_cv_cpuid" >&6; }
 if test $tcl_cv_cpuid = yes; then
 
-$as_echo "#define HAVE_CPUID 1" >>confdefs.h
+printf "%s\n" "#define HAVE_CPUID 1" >>confdefs.h
 
 fi
 
@@ -9952,38 +10670,39 @@ HTML_DIR='$(DISTDIR)/html'
 if test "`uname -s`" = "Darwin" ; then
 
     if test "`uname -s`" = "Darwin" ; then
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to package libraries" >&5
-$as_echo_n "checking how to package libraries... " >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to package libraries" >&5
+printf %s "checking how to package libraries... " >&6; }
 	# Check whether --enable-framework was given.
-if test "${enable_framework+set}" = set; then :
+if test ${enable_framework+y}
+then :
   enableval=$enable_framework; enable_framework=$enableval
-else
+else $as_nop
   enable_framework=no
 fi
 
 	if test $enable_framework = yes; then
 	    if test $SHARED_BUILD = 0; then
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Frameworks can only be built if --enable-shared is yes" >&5
-$as_echo "$as_me: WARNING: Frameworks can only be built if --enable-shared is yes" >&2;}
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Frameworks can only be built if --enable-shared is yes" >&5
+printf "%s\n" "$as_me: WARNING: Frameworks can only be built if --enable-shared is yes" >&2;}
 		enable_framework=no
 	    fi
 	    if test $tcl_corefoundation = no; then
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Frameworks can only be used when CoreFoundation is available" >&5
-$as_echo "$as_me: WARNING: Frameworks can only be used when CoreFoundation is available" >&2;}
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Frameworks can only be used when CoreFoundation is available" >&5
+printf "%s\n" "$as_me: WARNING: Frameworks can only be used when CoreFoundation is available" >&2;}
 		enable_framework=no
 	    fi
 	fi
 	if test $enable_framework = yes; then
-	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: framework" >&5
-$as_echo "framework" >&6; }
+	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: framework" >&5
+printf "%s\n" "framework" >&6; }
 	    FRAMEWORK_BUILD=1
 	else
 	    if test $SHARED_BUILD = 1; then
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: shared library" >&5
-$as_echo "shared library" >&6; }
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: shared library" >&5
+printf "%s\n" "shared library" >&6; }
 	    else
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: static library" >&5
-$as_echo "static library" >&6; }
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: static library" >&5
+printf "%s\n" "static library" >&6; }
 	    fi
 	    FRAMEWORK_BUILD=0
 	fi
@@ -10001,7 +10720,7 @@ fi
 
 if test "$FRAMEWORK_BUILD" = "1" ; then
 
-$as_echo "#define TCL_FRAMEWORK 1" >>confdefs.h
+printf "%s\n" "#define TCL_FRAMEWORK 1" >>confdefs.h
 
     # Construct a fake local framework structure to make linking with
     # '-framework Tcl' and running of tcltest work
@@ -10059,9 +10778,10 @@ VERSION=${TCL_VERSION}
 #	Zipfs support - Tip 430
 #--------------------------------------------------------------------
 # Check whether --enable-zipfs was given.
-if test "${enable_zipfs+set}" = set; then :
+if test ${enable_zipfs+y}
+then :
   enableval=$enable_zipfs; tcl_ok=$enableval
-else
+else $as_nop
   tcl_ok=yes
 fi
 
@@ -10074,11 +10794,12 @@ if test "$tcl_ok" = "yes" -a "x$enable_framework" != "xyes"; then
       if test "x$cross_compiling" = "xno"; then
         CC_FOR_BUILD='$(CC)'
       else
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc" >&5
-$as_echo_n "checking for gcc... " >&6; }
-        if ${ac_cv_path_cc+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gcc" >&5
+printf %s "checking for gcc... " >&6; }
+        if test ${ac_cv_path_cc+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
             search_path=`echo ${PATH} | sed -e 's/:/ /g'`
             for dir in $search_path ; do
@@ -10104,11 +10825,12 @@ fi
       OBJEXT_FOR_BUILD='$(OBJEXT)'
     else
       OBJEXT_FOR_BUILD='.no'
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for build system executable suffix" >&5
-$as_echo_n "checking for build system executable suffix... " >&6; }
-if ${bfd_cv_build_exeext+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for build system executable suffix" >&5
+printf %s "checking for build system executable suffix... " >&6; }
+if test ${bfd_cv_build_exeext+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
   rm -f conftest*
          echo 'int main () { return 0; }' > conftest.c
          bfd_cv_build_exeext=
@@ -10122,8 +10844,8 @@ else
          rm -f conftest*
          test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_build_exeext" >&5
-$as_echo "$bfd_cv_build_exeext" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_build_exeext" >&5
+printf "%s\n" "$bfd_cv_build_exeext" >&6; }
       EXEEXT_FOR_BUILD=""
       test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext}
     fi
@@ -10138,11 +10860,12 @@ $as_echo "$bfd_cv_build_exeext" >&6; }
     ZIP_PROG_VFSSEARCH=""
     ZIP_INSTALL_OBJS=""
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for macher" >&5
-$as_echo_n "checking for macher... " >&6; }
-    if ${ac_cv_path_macher+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for macher" >&5
+printf %s "checking for macher... " >&6; }
+    if test ${ac_cv_path_macher+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     search_path=`echo ${PATH} | sed -e 's/:/ /g'`
     for dir in $search_path ; do
@@ -10161,16 +10884,17 @@ fi
 
     if test -f "$ac_cv_path_macher" ; then
         MACHER_PROG="$ac_cv_path_macher"
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MACHER_PROG" >&5
-$as_echo "$MACHER_PROG" >&6; }
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Found macher in environment" >&5
-$as_echo "Found macher in environment" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MACHER_PROG" >&5
+printf "%s\n" "$MACHER_PROG" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: Found macher in environment" >&5
+printf "%s\n" "Found macher in environment" >&6; }
     fi
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for zip" >&5
-$as_echo_n "checking for zip... " >&6; }
-    if ${ac_cv_path_zip+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for zip" >&5
+printf %s "checking for zip... " >&6; }
+    if test ${ac_cv_path_zip+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
 
     search_path=`echo ${PATH} | sed -e 's/:/ /g'`
     for dir in $search_path ; do
@@ -10189,12 +10913,12 @@ fi
 
     if test -f "$ac_cv_path_zip" ; then
         ZIP_PROG="$ac_cv_path_zip"
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ZIP_PROG" >&5
-$as_echo "$ZIP_PROG" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ZIP_PROG" >&5
+printf "%s\n" "$ZIP_PROG" >&6; }
         ZIP_PROG_OPTIONS="-rq"
         ZIP_PROG_VFSSEARCH="*"
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Found INFO Zip in environment" >&5
-$as_echo "Found INFO Zip in environment" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: Found INFO Zip in environment" >&5
+printf "%s\n" "Found INFO Zip in environment" >&6; }
         # Use standard arguments for zip
     else
         # It is not an error if an installed version of Zip can't be located.
@@ -10203,8 +10927,8 @@ $as_echo "Found INFO Zip in environment" >&6; }
         ZIP_PROG_OPTIONS="-o -r"
         ZIP_PROG_VFSSEARCH="*"
         ZIP_INSTALL_OBJS="minizip${EXEEXT_FOR_BUILD}"
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: No zip found on PATH. Building minizip" >&5
-$as_echo "No zip found on PATH. Building minizip" >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: No zip found on PATH. Building minizip" >&5
+printf "%s\n" "No zip found on PATH. Building minizip" >&6; }
     fi
 
 
@@ -10219,24 +10943,24 @@ else
     TCL_ZIP_FILE=
 fi
 # Do checking message here to not mess up interleaved configure output
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for building with zipfs" >&5
-$as_echo_n "checking for building with zipfs... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for building with zipfs" >&5
+printf %s "checking for building with zipfs... " >&6; }
 if test "${ZIPFS_BUILD}" = 1; then
     if test "${SHARED_BUILD}" = 0; then
        ZIPFS_BUILD=2;
 
-$as_echo "#define ZIPFS_BUILD 2" >>confdefs.h
+printf "%s\n" "#define ZIPFS_BUILD 2" >>confdefs.h
 
      else
 
-$as_echo "#define ZIPFS_BUILD 1" >>confdefs.h
+printf "%s\n" "#define ZIPFS_BUILD 1" >>confdefs.h
 \
     fi
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 else
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
 INSTALL_LIBRARIES=install-libraries
 INSTALL_MSGS=install-msgs
 fi
@@ -10388,8 +11112,8 @@ _ACEOF
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
@@ -10419,15 +11143,15 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      /^ac_cv_env_/b end
      t clear
      :clear
-     s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+     s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/
      t end
      s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
     if test "x$cache_file" != "x/dev/null"; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
-$as_echo "$as_me: updating cache $cache_file" >&6;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
       if test ! -f "$cache_file" || test -h "$cache_file"; then
 	cat confcache >"$cache_file"
       else
@@ -10441,8 +11165,8 @@ $as_echo "$as_me: updating cache $cache_file" >&6;}
       fi
     fi
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
-$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
@@ -10497,8 +11221,8 @@ CFLAGS="${CFLAGS} ${CPPFLAGS}"; CPPFLAGS=""
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
-$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;}
 as_write_fail=0
 cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
 #! $SHELL
@@ -10521,14 +11245,16 @@ cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+as_nop=:
+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else
+else $as_nop
   case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
@@ -10538,46 +11264,46 @@ esac
 fi
 
 
+
+# Reset variables that may have inherited troublesome values from
+# the environment.
+
+# IFS needs to be set, to space, tab, and newline, in precisely that order.
+# (If _AS_PATH_WALK were called with IFS unset, it would have the
+# side effect of setting IFS to empty, thus disabling word splitting.)
+# Quoting is to prevent editors from complaining about space-tab.
 as_nl='
 '
 export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
+IFS=" ""	$as_nl"
+
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# Ensure predictable behavior from utilities with locale-dependent output.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# We cannot yet rely on "unset" to work, but we need these variables
+# to be unset--not just set to an empty or harmless value--now, to
+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
+# also avoids known problems related to "unset" and subshell syntax
+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
+do eval test \${$as_var+y} \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+
+# Ensure that fds 0, 1, and 2 are open.
+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
 
 # The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
+if ${PATH_SEPARATOR+false} :; then
   PATH_SEPARATOR=:
   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
@@ -10586,13 +11312,6 @@ if test "${PATH_SEPARATOR+set}" != set; then
 fi
 
 
-# IFS
-# We need space, tab and new line, in precisely that order.  Quoting is
-# there to prevent editors from complaining about space-tab.
-# (If _AS_PATH_WALK were called with IFS unset, it would disable word
-# splitting by setting IFS to empty value.)
-IFS=" ""	$as_nl"
-
 # Find who we are.  Look in the path if we contain no directory separator.
 as_myself=
 case $0 in #((
@@ -10601,8 +11320,12 @@ case $0 in #((
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
   done
 IFS=$as_save_IFS
 
@@ -10614,30 +11337,10 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
@@ -10650,13 +11353,14 @@ as_fn_error ()
   as_status=$1; test $as_status -eq 0 && as_status=1
   if test "$4"; then
     as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  $as_echo "$as_me: error: $2" >&2
+  printf "%s\n" "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
 
+
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -10683,18 +11387,20 @@ as_fn_unset ()
   { eval $1=; unset $1;}
 }
 as_unset=as_fn_unset
+
 # as_fn_append VAR VALUE
 # ----------------------
 # Append the text in VALUE to the end of the definition contained in VAR. Take
 # advantage of any shell optimizations that allow amortized linear growth over
 # repeated appends, instead of the typical quadratic growth present in naive
 # implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
+then :
   eval 'as_fn_append ()
   {
     eval $1+=\$2
   }'
-else
+else $as_nop
   as_fn_append ()
   {
     eval $1=\$$1\$2
@@ -10706,12 +11412,13 @@ fi # as_fn_append
 # Perform arithmetic evaluation on the ARGs, and store the result in the
 # global $as_val. Take advantage of shells that can avoid forks. The arguments
 # must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+then :
   eval 'as_fn_arith ()
   {
     as_val=$(( $* ))
   }'
-else
+else $as_nop
   as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
@@ -10742,7 +11449,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+printf "%s\n" X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -10764,6 +11471,10 @@ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
 as_cr_digits='0123456789'
 as_cr_alnum=$as_cr_Letters$as_cr_digits
 
+
+# Determine whether it's possible to make 'echo' print without a newline.
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
+# for compatibility with existing Makefiles.
 ECHO_C= ECHO_N= ECHO_T=
 case `echo -n x` in #(((((
 -n*)
@@ -10777,6 +11488,12 @@ case `echo -n x` in #(((((
   ECHO_N='-n';;
 esac
 
+# For backward compatibility with old third-party macros, we provide
+# the shell variables $as_echo and $as_echo_n.  New code should use
+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
+as_echo='printf %s\n'
+as_echo_n='printf %s'
+
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -10818,7 +11535,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -10827,7 +11544,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
+printf "%s\n" X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -10890,7 +11607,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by tcl $as_me 9.0, which was
-generated by GNU Autoconf 2.69.  Invocation command line was
+generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -10943,14 +11660,16 @@ $config_commands
 Report bugs to the package provider."
 
 _ACEOF
+ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"`
+ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
+ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
 tcl config.status 9.0
-configured by $0, generated by GNU Autoconf 2.69,
+configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2012 Free Software Foundation, Inc.
+Copyright (C) 2021 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -10987,21 +11706,21 @@ do
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    $as_echo "$ac_cs_version"; exit ;;
+    printf "%s\n" "$ac_cs_version"; exit ;;
   --config | --confi | --conf | --con | --co | --c )
-    $as_echo "$ac_cs_config"; exit ;;
+    printf "%s\n" "$ac_cs_config"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
     case $ac_optarg in
-    *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
   --he | --h |  --help | --hel | -h )
-    $as_echo "$ac_cs_usage"; exit ;;
+    printf "%s\n" "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
@@ -11029,7 +11748,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
   set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
-  \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+  \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
   export CONFIG_SHELL
   exec "\$@"
@@ -11043,7 +11762,7 @@ exec 5>>config.log
   sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
 ## Running $as_me. ##
 _ASBOX
-  $as_echo "$ac_log"
+  printf "%s\n" "$ac_log"
 } >&5
 
 _ACEOF
@@ -11079,8 +11798,8 @@ done
 # We use the long form for the default assignment because of an extremely
 # bizarre bug on SunOS 4.1.3.
 if $ac_need_defaults; then
-  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
-  test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
+  test ${CONFIG_FILES+y} || CONFIG_FILES=$config_files
+  test ${CONFIG_COMMANDS+y} || CONFIG_COMMANDS=$config_commands
 fi
 
 # Have a temporary directory for convenience.  Make it in the build tree
@@ -11308,7 +12027,7 @@ do
 	   esac ||
 	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
-      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
     done
 
@@ -11316,17 +12035,17 @@ do
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
-	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	  printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
 	`' by configure.'
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-$as_echo "$as_me: creating $ac_file" >&6;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+printf "%s\n" "$as_me: creating $ac_file" >&6;}
     fi
     # Neutralize special characters interpreted by sed in replacement strings.
     case $configure_input in #(
     *\&* | *\|* | *\\* )
-       ac_sed_conf_input=`$as_echo "$configure_input" |
+       ac_sed_conf_input=`printf "%s\n" "$configure_input" |
        sed 's/[\\\\&|]/\\\\&/g'`;; #(
     *) ac_sed_conf_input=$configure_input;;
     esac
@@ -11343,7 +12062,7 @@ $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
 	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$ac_file" |
+printf "%s\n" X"$ac_file" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -11367,9 +12086,9 @@ $as_echo X"$ac_file" |
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -11422,8 +12141,8 @@ ac_sed_dataroot='
 case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
   ac_datarootdir_hack='
@@ -11465,9 +12184,9 @@ test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
       "$ac_tmp/out"`; test -z "$ac_out"; } &&
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
-$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
   rm -f "$ac_tmp/stdin"
@@ -11479,8 +12198,8 @@ which seems to be undefined.  Please make sure it is defined" >&2;}
  ;;
 
 
-  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
-$as_echo "$as_me: executing $ac_file commands" >&6;}
+  :C)  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
+printf "%s\n" "$as_me: executing $ac_file commands" >&6;}
  ;;
   esac
 
@@ -11527,8 +12246,9 @@ if test "$no_create" != yes; then
   $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
 
+