Merge rev alpha100 bck into main trunk

1 files changed, 1521 insertions, 497 deletions

diff --git a/configure b/configure
index 43bc686..a09bfa0 100755
--- a/configure
+++ b/configure
@@ -1,149 +1,368 @@
-
+#!/bin/sh
+# From configure.in Revision: 1.3 
 #!/bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf.
-# Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
+# Generated automatically using autoconf version 1.8 
+# Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
 
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
+# This configure script is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as published
+# by the Free Software Foundation; either version 2, or (at your option)
 # any later version.
 
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# This script is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+# Public License for more details.
 
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-# Usage: configure [--srcdir=DIR] [--host=HOST] [--gas] [--nfp]
-#        [--prefix=PREFIX] [--exec-prefix=PREFIX] [--with-PACKAGE[=VALUE]]
-# Ignores all args except --srcdir, --prefix, --exec-prefix, and
-# --with-PACKAGE[=VALUE] unless this script has special code to handle it.
+# Save the original args to write them into config.status later.
+configure_args="$*"
 
-for arg
+# Only options that might do something get documented.
+ac_usage="Usage: configure [options] [host]
+Options: [defaults in brackets after descriptions]
+--build=BUILD		configure for building on BUILD [BUILD=HOST]
+--disable-FEATURE	do not include FEATURE (same as --enable-FEATURE=no)
+--enable-FEATURE[=ARG]	include FEATURE [ARG=yes]
+--exec-prefix=PREFIX	install host dependent files in PREFIX [/usr/local]
+--help			print this message
+--host=HOST		configure for HOST [guessed]
+--prefix=PREFIX		install host independent files in PREFIX [/usr/local]
+--quiet, --silent	do not print \`checking for...' messages
+--srcdir=DIR		find the sources in DIR [configure dir or ..]
+--target=TARGET		configure for TARGET [TARGET=HOST]
+--verbose		print results of checks
+--version		print the version of autoconf that created configure
+--with-PACKAGE[=ARG]	use PACKAGE [ARG=yes]
+--without-PACKAGE	do not use PACKAGE (same as --with-PACKAGE=no)
+--x-includes=DIR	X include files are in DIR
+--x-libraries=DIR	X library files are in DIR"
+
+# Initialize some variables set by options.
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+build=NONE
+exec_prefix=
+host=NONE
+no_create=
+nonopt=NONE
+norecursion=
+prefix=
+program_prefix=
+program_suffix=
+program_transform_name=
+silent=
+srcdir=
+target=NONE
+verbose=
+x_includes=
+x_libraries=
+
+ac_prev=
+for ac_option
 do
-  # Handle --exec-prefix with a space before the argument.
-  if test x$next_exec_prefix = xyes; then exec_prefix=$arg; next_exec_prefix=
-  # Handle --host with a space before the argument.
-  elif test x$next_host = xyes; then next_host=
-  # Handle --prefix with a space before the argument.
-  elif test x$next_prefix = xyes; then prefix=$arg; next_prefix=
-  # Handle --srcdir with a space before the argument.
-  elif test x$next_srcdir = xyes; then srcdir=$arg; next_srcdir=
-  else
-    case $arg in
-     # For backward compatibility, recognize -exec-prefix and --exec_prefix.
-     -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* | --exec=* | --exe=* | --ex=* | --e=*)
-	exec_prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
-     -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- | --exec | --exe | --ex | --e)
-	next_exec_prefix=yes ;;
-
-     -gas | --gas | --ga | --g) ;;
-
-     -host=* | --host=* | --hos=* | --ho=* | --h=*) ;;
-     -host | --host | --hos | --ho | --h)
-	next_host=yes ;;
-
-     -nfp | --nfp | --nf) ;;
-
-     -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
-	prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
-     -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
-	next_prefix=yes ;;
-
-     -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=* | --s=*)
-	srcdir=`echo $arg | sed 's/[-a-z_]*=//'` ;;
-     -srcdir | --srcdir | --srcdi | --srcd | --src | --sr | --s)
-	next_srcdir=yes ;;
-
-     -with-* | --with-*)
-       package=`echo $arg|sed -e 's/-*with-//' -e 's/=.*//'`
-       # Reject names that aren't valid shell variable names.
-       if test -n "`echo $package| sed 's/[-a-zA-Z0-9_]//g'`"; then
-         echo "configure: $package: invalid package name" >&2; exit 1
-       fi
-       package=`echo $package| sed 's/-/_/g'`
-       case "$arg" in
-         *=*) val="`echo $arg|sed 's/[^=]*=//'`" ;;
-         *) val=1 ;;
-       esac
-       eval "with_$package='$val'" ;;
-
-     -v | -verbose | --verbose | --verbos | --verbo | --verb | --ver | --ve | --v)
-       verbose=yes ;;
-
-     *) ;;
-    esac
+
+  # If the previous option needs an argument, assign it.
+  if test -n "$ac_prev"; then
+    eval "$ac_prev=\$ac_option"
+    ac_prev=
+    continue
   fi
+
+  # Accept (but ignore some of) the important Cygnus configure
+  # options, so we can diagnose typos.
+
+  case "$ac_option" in
+  -*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
+  *) ac_optarg= ;;
+  esac
+
+  case "$ac_option" in
+
+  -build | --build | --buil | --bui | --bu | --b)
+    ac_prev=build ;;
+  -build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
+    build="$ac_optarg" ;;
+
+  -disable-* | --disable-*)
+    ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
+    # Reject names that aren't valid shell variable names.
+    if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then
+      echo "configure: $ac_feature: invalid feature name" >&2; exit 1
+    fi
+    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
+    eval "enable_${ac_feature}=no" ;;
+
+  -enable-* | --enable-*)
+    ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
+    # Reject names that aren't valid shell variable names.
+    if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then
+      echo "configure: $ac_feature: invalid feature name" >&2; exit 1
+    fi
+    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
+    case "$ac_option" in
+      *=*) ;;
+      *) ac_optarg=yes ;;
+    esac
+    eval "enable_${ac_feature}='$ac_optarg'" ;;
+
+  # For backward compatibility, recognize -exec-prefix and --exec_prefix.
+  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
+  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+  | --exec | --exe | --ex)
+    ac_prev=exec_prefix ;;
+  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+  | --exec=* | --exe=* | --ex=*)
+    exec_prefix="$ac_optarg" ;;
+
+  -gas | --gas | --ga | --g)
+    with_gas=1 ;; # Obsolete; use --with-gas.
+
+  -help | --help | --hel | --he)
+    cat << EOF
+$ac_usage
+EOF
+    exit 0 ;;
+
+  -host | --host | --hos | --ho)
+    ac_prev=host ;;
+  -host=* | --host=* | --hos=* | --ho=*)
+    host="$ac_optarg" ;;
+
+  -nfp | --nfp | --nf)
+    with_fp=no ;; # Obsolete; use --without-fp.
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c)
+    no_create=yes ;;
+
+  -norecursion | --norecursion | --norecursio | --norecursi \
+  | --norecurs | --norecur | --norecu | --norec | --nore | --nor)
+    norecursion=yes ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix="$ac_optarg" ;;
+
+  -program-prefix | --program-prefix | --program-prefi | --program-pref \
+  | --program-pre | --program-pr | --program-p)
+    ac_prev=program_prefix ;;
+  -program-prefix=* | --program-prefix=* | --program-prefi=* \
+  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+    program_prefix="$ac_optarg" ;;
+
+  -program-suffix | --program-suffix | --program-suffi | --program-suff \
+  | --program-suf | --program-su | --program-s)
+    ac_prev=program_suffix ;;
+  -program-suffix=* | --program-suffix=* | --program-suffi=* \
+  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+    program_suffix="$ac_optarg" ;;
+
+  -program-transform-name | --program-transform-name \
+  | --program-transform-nam | --program-transform-na \
+  | --program-transform-n | --program-transform- \
+  | --program-transform | --program-transfor \
+  | --program-transfo | --program-transf \
+  | --program-trans | --program-tran \
+  | --progr-tra | --program-tr | --program-t)
+    ac_prev=program_transform_name ;;
+  -program-transform-name=* | --program-transform-name=* \
+  | --program-transform-nam=* | --program-transform-na=* \
+  | --program-transform-n=* | --program-transform-=* \
+  | --program-transform=* | --program-transfor=* \
+  | --program-transfo=* | --program-transf=* \
+  | --program-trans=* | --program-tran=* \
+  | --progr-tra=* | --program-tr=* | --program-t=*)
+    program_transform_name="$ac_optarg" ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+    ac_prev=srcdir ;;
+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir="$ac_optarg" ;;
+
+  -target | --target | --targe | --targ | --tar | --ta | --t)
+    ac_prev=target ;;
+  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+    target="$ac_optarg" ;;
+
+  -v | -verbose | --verbose | --verbos | --verbo | --verb)
+    verbose=yes ;;
+
+  -version | --version | --versio | --versi | --vers)
+    echo "configure generated by autoconf version 1.8"
+    exit 0 ;;
+
+  -with-* | --with-*)
+    ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
+    # Reject names that aren't valid shell variable names.
+    if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
+      echo "configure: $ac_package: invalid package name" >&2; exit 1
+    fi
+    ac_package=`echo $ac_package| sed 's/-/_/g'`
+    case "$ac_option" in
+      *=*) ;;
+      *) ac_optarg=yes ;;
+    esac
+    eval "with_${ac_package}='$ac_optarg'" ;;
+
+  -without-* | --without-*)
+    ac_package=`echo $ac_option|sed -e 's/-*without-//'`
+    # Reject names that aren't valid shell variable names.
+    if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
+      echo "configure: $ac_package: invalid package name" >&2; exit 1
+    fi
+    ac_package=`echo $ac_package| sed 's/-/_/g'`
+    eval "with_${ac_package}=no" ;;
+
+  --x) with_x=1 ;; # Obsolete; use --with-x.
+
+  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+  | --x-incl | --x-inc | --x-in | --x-i)
+    ac_prev=x_includes ;;
+  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+    x_includes="$ac_optarg" ;;
+
+  -x-libraries | --x-libraries | --x-librarie | --x-librari \
+  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+    ac_prev=x_libraries ;;
+  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+    x_libraries="$ac_optarg" ;;
+
+  -*) echo "configure: $ac_option: invalid option; use --help to show usage" >&2; exit 1
+    ;;
+
+  *) 
+    if test -n "`echo $ac_option| sed 's/[-a-z0-9]//g'`"; then
+      echo "configure: warning: $ac_option: invalid host type" >&2
+    fi
+    if test "x$nonopt" -ne xNONE; then
+      echo "configure: can only configure for one host and one target at a time" >&2; exit 1
+    fi
+    nonopt="$ac_option"
+    ;;
+
+  esac
 done
 
-trap 'rm -fr conftest* confdefs* core; exit 1' 1 3 15
-trap 'rm -f confdefs*' 0
+if test -n "$ac_prev"; then
+  echo "configure: missing argument to --`echo $ac_prev | sed 's/_/-/g'`" >&2; exit 1
+fi
+
+trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
+trap 'rm -fr confdefs* $ac_clean_files' 0
+
+# Save the original args if we used an alternate arg parser.
+ac_configure_temp="${configure_args-$*}"
+# Strip out --no-create and --norecursion so they don't pile up.
+configure_args=
+for ac_arg in $ac_configure_temp; do
+  case "$ac_arg" in
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c) ;;
+  -norecursion | --norecursion | --norecursio | --norecursi \
+  | --norecurs | --norecur | --norecu | --norec | --nore | --nor) ;;
+  *) configure_args="$configure_args $ac_arg" ;;
+  esac
+done
 
 # NLS nuisances.
 # These must not be set unconditionally because not all systems understand
 # e.g. LANG=C (notably SCO).
-if test "${LC_ALL+set}" = 'set' ; then LC_ALL=C; export LC_ALL; fi
-if test "${LANG+set}"   = 'set' ; then LANG=C;   export LANG;   fi
+if test "${LC_ALL+set}" = 'set'; then LC_ALL=C; export LC_ALL; fi
+if test "${LANG+set}"   = 'set'; then LANG=C;   export LANG;   fi
 
-rm -f conftest* confdefs.h
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -rf conftest* confdefs.h
 # AIX cpp loses on an empty file, so make sure it contains at least a newline.
 echo > confdefs.h
-compile='${CC-cc} $CFLAGS conftest.c -o conftest $LIBS >/dev/null 2>&1'
 
 # A filename unique to this package, relative to the directory that
 # configure is in, which we can look for to find out if srcdir is correct.
-unique_file=Include/object.h
+ac_unique_file=Include/object.h
 
 # Find the source files, if location was not specified.
 if test -z "$srcdir"; then
-  srcdirdefaulted=yes
+  ac_srcdir_defaulted=yes
   # Try the directory containing this script, then `..'.
-  prog=$0
-  confdir=`echo $prog|sed 's%/[^/][^/]*$%%'`
-  test "X$confdir" = "X$prog" && confdir=.
-  srcdir=$confdir
-  if test ! -r $srcdir/$unique_file; then
+  ac_prog=$0
+  ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
+  test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
+  srcdir=$ac_confdir
+  if test ! -r $srcdir/$ac_unique_file; then
     srcdir=..
   fi
 fi
-if test ! -r $srcdir/$unique_file; then
-  if test x$srcdirdefaulted = xyes; then
-    echo "configure: Can not find sources in \`${confdir}' or \`..'." 1>&2
+if test ! -r $srcdir/$ac_unique_file; then
+  if test x$ac_srcdir_defaulted = xyes; then
+    echo "configure: can not find sources in ${ac_confdir} or .." >&2; exit 1
   else
-    echo "configure: Can not find sources in \`${srcdir}'." 1>&2
+    echo "configure: can not find sources in ${srcdir}" >&2; exit 1
   fi
-  exit 1
 fi
-# Preserve a srcdir of `.' to avoid automounter screwups with pwd.
-# But we can't avoid them for `..', to make subdirectories work.
-case $srcdir in
-  .|/*|~*) ;;
-  *) srcdir=`cd $srcdir; pwd` ;; # Make relative path absolute.
-esac
 
+ac_ext=c
+ac_cpp='${CPP} $CFLAGS'
+ac_compile='${CC-cc} $CFLAGS $LDFLAGS conftest.${ac_ext} -o conftest $LIBS >/dev/null 2>&1'
 
-# Save the original args to write them into config.status later.
-configure_args="$*"
+if test -z "$prefix"
+then
+  test -n "$silent" || echo "checking for python to derive installation directory prefix"
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="$IFS:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test $ac_dir != . && test -f $ac_dir/python; then
+      # Not all systems have dirname.
+      prefix=`echo $ac_dir|sed 's%/[^/][^/]*$%%'`
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  test -n "$verbose" && echo "	chose installation directory prefix ${prefix}"
+fi
 
+# Don't suppress compiler output when --verbose is specified
+test -n "$verbose" &&
+	ac_compile=`echo "$ac_compile" | sed "s|>/dev/null 2>&1||"`
+test -n "$verbose" && echo "	setting ac_compile to '$ac_compile'"
 
 # checks for alternative programs
+test -n "$silent" || echo "checking for --with(out)-gcc"
+# check whether --with-gcc or --without-gcc was given.
+withval="$with_gcc"
+if test -n "$withval"; then
+  
+	case $withval in
+	no)	withval=cc;;
+	yes)	withval=gcc;;
+	esac
+	CC=$withval
+fi
+
 if test -z "$CC"; then
   # Extract the first word of `gcc', so it can be a program name with args.
-  set dummy gcc; word=$2
-  echo checking for $word
-  IFS="${IFS= 	}"; saveifs="$IFS"; IFS="${IFS}:"
-  for dir in $PATH; do
-    test -z "$dir" && dir=.
-    if test -f $dir/$word; then
+  set ac_dummy gcc; ac_word=$2
+  test -n "$silent" || echo "checking for $ac_word"
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
       CC="gcc"
       break
     fi
   done
-  IFS="$saveifs"
+  IFS="$ac_save_ifs"
 fi
 test -z "$CC" && CC="cc"
 test -n "$CC" && test -n "$verbose" && echo "	setting CC to $CC"
@@ -160,39 +379,136 @@ if egrep yes conftest.out >/dev/null 2>&1; then
 fi
 rm -f conftest*
 
+# Make sure to not get the incompatible SysV /etc/install and
+# /usr/sbin/install, which might be in PATH before a BSD-like install,
+# or the SunOS /usr/etc/install directory, or the AIX /bin/install,
+# or the AFS install, which mishandles nonexistent args, or
+# /usr/ucb/install on SVR4, which tries to use the nonexistent group
+# `staff', or /sbin/install on IRIX which has incompatible command-line
+# syntax.  Sigh.
+#
+#     On most BSDish systems install is in /usr/bin, not /usr/ucb
+#     anyway.
+# This turns out not to be true, so the mere pathname isn't an indication
+# of whether the program works.  What we really need is a set of tests for
+# the install program to see if it actually works in all the required ways.
+#
+# Avoid using ./install, which might have been erroneously created
+# by make from ./install.sh.
+if test "z${INSTALL}" = "z" ; then
+  test -n "$silent" || echo "checking for a BSD compatible install"
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    case "$ac_dir" in
+    ''|.|/etc|/sbin|/usr/sbin|/usr/etc|/usr/afsws/bin|/usr/ucb) ;;
+    *)
+      # OSF1 and SCO ODT 3.0 have their own names for install.
+      for ac_prog in installbsd scoinst install; do
+        if test -f $ac_dir/$ac_prog; then
+	  if grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
+	    : # AIX
+	  else
+	    INSTALL="$ac_dir/$ac_prog -c"
+	    INSTALL_PROGRAM='${INSTALL}'
+	    INSTALL_DATA='${INSTALL} -m 644'
+	    break 2
+	  fi
+	fi
+      done
+      ;;
+    esac
+  done
+  IFS="$ac_save_ifs"
+fi
+if test -z "$INSTALL"; then
+  if test -f ${srcdir}/install.sh; then
+    # As a last resort, use the slow shell script.
+    INSTALL='@top_srcdir@/install.sh -c'
+  else
+    echo "configure: warning: ${srcdir}/install.sh not found; using cp" >&2
+    INSTALL=cp
+  fi
+fi
+test -n "$verbose" && echo "	setting INSTALL to $INSTALL"
+# Use test -z because SunOS4 sh mishandles ${INSTALL_PROGRAM-'${INSTALL}'}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+test -n "$verbose" && echo "	setting INSTALL_PROGRAM to $INSTALL_PROGRAM"
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL}'
+test -n "$verbose" && echo "	setting INSTALL_DATA to $INSTALL_DATA"
+
 if test -z "$RANLIB"; then
   # Extract the first word of `ranlib', so it can be a program name with args.
-  set dummy ranlib; word=$2
-  echo checking for $word
-  IFS="${IFS= 	}"; saveifs="$IFS"; IFS="${IFS}:"
-  for dir in $PATH; do
-    test -z "$dir" && dir=.
-    if test -f $dir/$word; then
+  set ac_dummy ranlib; ac_word=$2
+  test -n "$silent" || echo "checking for $ac_word"
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
       RANLIB="ranlib"
       break
     fi
   done
-  IFS="$saveifs"
+  IFS="$ac_save_ifs"
 fi
 test -z "$RANLIB" && RANLIB=":"
 test -n "$RANLIB" && test -n "$verbose" && echo "	setting RANLIB to $RANLIB"
 
 
+for ac_prog in ar aal
+do
+if test -z "$AR"; then
+  # Extract the first word of `$ac_prog', so it can be a program name with args.
+  set ac_dummy $ac_prog; ac_word=$2
+  test -n "$silent" || echo "checking for $ac_word"
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      AR="$ac_prog"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+
+test -n "$AR" && test -n "$verbose" && echo "	setting AR to $AR"
+
+test -n "$AR" && break
+done
+test -n "$AR" || AR="ar"
+
+
 # checks for UNIX variants that set C preprocessor variables
-echo checking for AIX
-echo checking how to run the C preprocessor
+test -n "$silent" || echo "checking for AIX"
+test -n "$silent" || echo "checking how to run the C preprocessor"
 if test -z "$CPP"; then
   # This must be in double quotes, not single quotes, because CPP may get
   # substituted into the Makefile and ``${CC-cc}'' will simply confuse
   # make.  It must be expanded now.
   CPP="${CC-cc} -E"
-  cat > conftest.c <<EOF
+  cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <stdio.h>
 Syntax Error
 EOF
-err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
-if test -z "$err"; then
+# Some shells (Coherent) do redirections in the wrong order, so need
+# the parens.
+ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
+if test -z "$ac_err"; then
+  :
+else
+  rm -rf conftest*
+  CPP="${CC-cc} -E -traditional-cpp"
+  cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+#include <stdio.h>
+Syntax Error
+EOF
+# Some shells (Coherent) do redirections in the wrong order, so need
+# the parens.
+ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
+if test -z "$ac_err"; then
   :
 else
   rm -rf conftest*
@@ -200,24 +516,30 @@ else
 fi
 rm -f conftest*
 fi
-test ".${verbose}" != "." && echo "	setting CPP to $CPP"
+rm -f conftest*
+fi
+test -n "$verbose" && echo "	setting CPP to $CPP"
 
-cat > conftest.c <<EOF
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #ifdef _AIX
   yes
 #endif
 
 EOF
-eval "$CPP conftest.c > conftest.out 2>&1"
+eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
 if egrep "yes" conftest.out >/dev/null 2>&1; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
 echo "	defining _ALL_SOURCE"
-echo "#define" _ALL_SOURCE 1 >> confdefs.h
+echo "#define" _ALL_SOURCE "1" >> confdefs.h
 DEFS="$DEFS -D_ALL_SOURCE=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}_ALL_SOURCE\${ac_dB}_ALL_SOURCE\${ac_dC}1\${ac_dD}
+\${ac_uA}_ALL_SOURCE\${ac_uB}_ALL_SOURCE\${ac_uC}1\${ac_uD}
+\${ac_eA}_ALL_SOURCE\${ac_eB}_ALL_SOURCE\${ac_eC}1\${ac_eD}
+"
 }
 
 
@@ -225,7 +547,7 @@ fi
 rm -f conftest*
 
 
-echo checking for POSIXized ISC
+test -n "$silent" || echo "checking for POSIXized ISC"
 if test -d /etc/conf/kconfig.d &&
   grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
 then
@@ -234,8 +556,12 @@ then
 {
 test -n "$verbose" && \
 echo "	defining _POSIX_SOURCE"
-echo "#define" _POSIX_SOURCE 1 >> confdefs.h
+echo "#define" _POSIX_SOURCE "1" >> confdefs.h
 DEFS="$DEFS -D_POSIX_SOURCE=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}_POSIX_SOURCE\${ac_dB}_POSIX_SOURCE\${ac_dC}1\${ac_dD}
+\${ac_uA}_POSIX_SOURCE\${ac_uB}_POSIX_SOURCE\${ac_uC}1\${ac_uD}
+\${ac_eA}_POSIX_SOURCE\${ac_eB}_POSIX_SOURCE\${ac_eC}1\${ac_eD}
+"
 }
 
   if test -n "$GCC"; then
@@ -245,13 +571,15 @@ DEFS="$DEFS -D_POSIX_SOURCE=1"
   fi
 fi
 
-echo checking for minix/config.h
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for minix/config.h"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <minix/config.h>
 EOF
-err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
-if test -z "$err"; then
+# Some shells (Coherent) do redirections in the wrong order, so need
+# the parens.
+ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
+if test -z "$ac_err"; then
   rm -rf conftest*
   MINIX=1
 
@@ -264,73 +592,113 @@ if test -n "$MINIX"; then
 {
 test -n "$verbose" && \
 echo "	defining _POSIX_SOURCE"
-echo "#define" _POSIX_SOURCE 1 >> confdefs.h
+echo "#define" _POSIX_SOURCE "1" >> confdefs.h
 DEFS="$DEFS -D_POSIX_SOURCE=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}_POSIX_SOURCE\${ac_dB}_POSIX_SOURCE\${ac_dC}1\${ac_dD}
+\${ac_uA}_POSIX_SOURCE\${ac_uB}_POSIX_SOURCE\${ac_uC}1\${ac_uD}
+\${ac_eA}_POSIX_SOURCE\${ac_eB}_POSIX_SOURCE\${ac_eC}1\${ac_eD}
+"
 }
 
   
 {
 test -n "$verbose" && \
-echo "	defining" _POSIX_1_SOURCE to be 2
-echo "#define" _POSIX_1_SOURCE 2 >> confdefs.h
+echo "	defining" _POSIX_1_SOURCE to be "2"
+echo "#define" _POSIX_1_SOURCE "2" >> confdefs.h
 DEFS="$DEFS -D_POSIX_1_SOURCE=2"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}_POSIX_1_SOURCE\${ac_dB}_POSIX_1_SOURCE\${ac_dC}2\${ac_dD}
+\${ac_uA}_POSIX_1_SOURCE\${ac_uB}_POSIX_1_SOURCE\${ac_uC}2\${ac_uD}
+\${ac_eA}_POSIX_1_SOURCE\${ac_eB}_POSIX_1_SOURCE\${ac_eC}2\${ac_eD}
+"
 }
 
   
 {
 test -n "$verbose" && \
 echo "	defining _MINIX"
-echo "#define" _MINIX 1 >> confdefs.h
+echo "#define" _MINIX "1" >> confdefs.h
 DEFS="$DEFS -D_MINIX=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}_MINIX\${ac_dB}_MINIX\${ac_dC}1\${ac_dD}
+\${ac_uA}_MINIX\${ac_uB}_MINIX\${ac_uC}1\${ac_uD}
+\${ac_eA}_MINIX\${ac_eB}_MINIX\${ac_eC}1\${ac_eD}
+"
 }
 
 fi
 
-LIBS_save="${LIBS}"
+ac_save_LIBS="${LIBS}"
 LIBS="${LIBS} -lseq"
-have_lib=""
-echo checking for -lseq
-cat > conftest.c <<EOF
+ac_have_lib=""
+test -n "$silent" || echo "checking for -lseq"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 
-int main() { exit(0); }
-int t() { main(); }
+int main() { return 0; }
+int t() { main();; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
-  have_lib="1"
+  ac_have_lib="1"
 
 fi
 rm -f conftest*
-LIBS="${LIBS_save}"
-if test -n "${have_lib}"; then
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
    :; LIBS="$LIBS -lseq"
 else
    :; 
 fi
 
 
+test -n "$silent" || echo "checking for NeXT"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+
+#ifdef _NEXT_SOURCE
+main() { exit(0); }
+#endif
+
+EOF
+eval $ac_compile
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  
+{
+test -n "$verbose" && \
+echo "	defining _POSIX_SOURCE"
+echo "#define" _POSIX_SOURCE "1" >> confdefs.h
+DEFS="$DEFS -D_POSIX_SOURCE=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}_POSIX_SOURCE\${ac_dB}_POSIX_SOURCE\${ac_dC}1\${ac_dD}
+\${ac_uA}_POSIX_SOURCE\${ac_uB}_POSIX_SOURCE\${ac_uC}1\${ac_uD}
+\${ac_eA}_POSIX_SOURCE\${ac_eB}_POSIX_SOURCE\${ac_eC}1\${ac_eD}
+"
+}
+
+
+fi
+rm -fr conftest*
 
 # checks for header files
-echo checking for ANSI C header files
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for ANSI C header files"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>
 #include <float.h>
 EOF
-err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
-if test -z "$err"; then
+# Some shells (Coherent) do redirections in the wrong order, so need
+# the parens.
+ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
+if test -z "$ac_err"; then
   rm -rf conftest*
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 echo '#include "confdefs.h"
-#include <string.h>' > conftest.c
-eval "$CPP conftest.c > conftest.out 2>&1"
+#include <string.h>' > conftest.${ac_ext}
+eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
 if egrep "memchr" conftest.out >/dev/null 2>&1; then
   rm -rf conftest*
   # SGI's /bin/cc from Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-cat > conftest.c <<EOF
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -341,18 +709,32 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-eval $compile
+eval $ac_compile
 if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+echo '#include "confdefs.h"
+#include <stdlib.h>' > conftest.${ac_ext}
+eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
+if egrep "free" conftest.out >/dev/null 2>&1; then
+  rm -rf conftest*
   
 {
 test -n "$verbose" && \
 echo "	defining STDC_HEADERS"
-echo "#define" STDC_HEADERS 1 >> confdefs.h
+echo "#define" STDC_HEADERS "1" >> confdefs.h
 DEFS="$DEFS -DSTDC_HEADERS=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}STDC_HEADERS\${ac_dB}STDC_HEADERS\${ac_dC}1\${ac_dD}
+\${ac_uA}STDC_HEADERS\${ac_uB}STDC_HEADERS\${ac_uC}1\${ac_uD}
+\${ac_eA}STDC_HEADERS\${ac_eB}STDC_HEADERS\${ac_eC}1\${ac_eD}
+"
 }
 
 
 fi
+rm -f conftest*
+
+
+fi
 rm -fr conftest*
 
 fi
@@ -362,23 +744,29 @@ rm -f conftest*
 fi
 rm -f conftest*
 
-for hdr in dlfcn.h signal.h stdarg.h unistd.h utime.h sys/param.h sys/select.h sys/times.h sys/utsname.h
+for ac_hdr in dlfcn.h fcntl.h limits.h signal.h stdarg.h stdlib.h thread.h unistd.h utime.h sys/audioio.h sys/param.h sys/select.h sys/time.h sys/times.h sys/un.h sys/utsname.h
 do
-trhdr=HAVE_`echo $hdr | tr '[a-z]./' '[A-Z]__'`
-echo checking for ${hdr}
-cat > conftest.c <<EOF
+ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./' '[A-Z]__'`
+test -n "$silent" || echo "checking for ${ac_hdr}"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
-#include <${hdr}>
+#include <${ac_hdr}>
 EOF
-err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
-if test -z "$err"; then
+# Some shells (Coherent) do redirections in the wrong order, so need
+# the parens.
+ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
+if test -z "$ac_err"; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
-echo "	defining ${trhdr}"
-echo "#define" ${trhdr} 1 >> confdefs.h
-DEFS="$DEFS -D${trhdr}=1"
+echo "	defining ${ac_tr_hdr}"
+echo "#define" ${ac_tr_hdr} "1" >> confdefs.h
+DEFS="$DEFS -D${ac_tr_hdr}=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}${ac_tr_hdr}\${ac_dB}${ac_tr_hdr}\${ac_dC}1\${ac_dD}
+\${ac_uA}${ac_tr_hdr}\${ac_uB}${ac_tr_hdr}\${ac_uC}1\${ac_uD}
+\${ac_eA}${ac_tr_hdr}\${ac_eB}${ac_tr_hdr}\${ac_eC}1\${ac_eD}
+"
 }
 
 
@@ -386,109 +774,125 @@ fi
 rm -f conftest*
 done
 
-echo checking for directory library header
-dirheader=
-if test -z "$dirheader"; then
-  echo checking for dirent.h
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for directory library header"
+ac_dir_header=
+if test -z "$ac_dir_header"; then
+  test -n "$silent" || echo "checking for dirent.h"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <sys/types.h>
 #include <dirent.h>
-int main() { exit(0); }
-int t() { DIR *dirp = 0; }
+int main() { return 0; }
+int t() { DIR *dirp = 0;; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
 echo "	defining DIRENT"
-echo "#define" DIRENT 1 >> confdefs.h
+echo "#define" DIRENT "1" >> confdefs.h
 DEFS="$DEFS -DDIRENT=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}DIRENT\${ac_dB}DIRENT\${ac_dC}1\${ac_dD}
+\${ac_uA}DIRENT\${ac_uB}DIRENT\${ac_uC}1\${ac_uD}
+\${ac_eA}DIRENT\${ac_eB}DIRENT\${ac_eC}1\${ac_eD}
+"
 }
- dirheader=dirent.h
+ ac_dir_header=dirent.h
 
 fi
 rm -f conftest*
 fi
-if test -z "$dirheader"; then
-  echo checking for sys/ndir.h
-cat > conftest.c <<EOF
+if test -z "$ac_dir_header"; then
+  test -n "$silent" || echo "checking for sys/ndir.h"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/ndir.h>
-int main() { exit(0); }
-int t() { DIR *dirp = 0; }
+int main() { return 0; }
+int t() { DIR *dirp = 0;; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
 echo "	defining SYSNDIR"
-echo "#define" SYSNDIR 1 >> confdefs.h
+echo "#define" SYSNDIR "1" >> confdefs.h
 DEFS="$DEFS -DSYSNDIR=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}SYSNDIR\${ac_dB}SYSNDIR\${ac_dC}1\${ac_dD}
+\${ac_uA}SYSNDIR\${ac_uB}SYSNDIR\${ac_uC}1\${ac_uD}
+\${ac_eA}SYSNDIR\${ac_eB}SYSNDIR\${ac_eC}1\${ac_eD}
+"
 }
- dirheader=sys/ndir.h
+ ac_dir_header=sys/ndir.h
 
 fi
 rm -f conftest*
 fi
-if test -z "$dirheader"; then
-  echo checking for sys/dir.h
-cat > conftest.c <<EOF
+if test -z "$ac_dir_header"; then
+  test -n "$silent" || echo "checking for sys/dir.h"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/dir.h>
-int main() { exit(0); }
-int t() { DIR *dirp = 0; }
+int main() { return 0; }
+int t() { DIR *dirp = 0;; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
 echo "	defining SYSDIR"
-echo "#define" SYSDIR 1 >> confdefs.h
+echo "#define" SYSDIR "1" >> confdefs.h
 DEFS="$DEFS -DSYSDIR=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}SYSDIR\${ac_dB}SYSDIR\${ac_dC}1\${ac_dD}
+\${ac_uA}SYSDIR\${ac_uB}SYSDIR\${ac_uC}1\${ac_uD}
+\${ac_eA}SYSDIR\${ac_eB}SYSDIR\${ac_eC}1\${ac_eD}
+"
 }
- dirheader=sys/dir.h
+ ac_dir_header=sys/dir.h
 
 fi
 rm -f conftest*
 fi
-if test -z "$dirheader"; then
-  echo checking for ndir.h
-cat > conftest.c <<EOF
+if test -z "$ac_dir_header"; then
+  test -n "$silent" || echo "checking for ndir.h"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <sys/types.h>
 #include <ndir.h>
-int main() { exit(0); }
-int t() { DIR *dirp = 0; }
+int main() { return 0; }
+int t() { DIR *dirp = 0;; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
 echo "	defining NDIR"
-echo "#define" NDIR 1 >> confdefs.h
+echo "#define" NDIR "1" >> confdefs.h
 DEFS="$DEFS -DNDIR=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}NDIR\${ac_dB}NDIR\${ac_dC}1\${ac_dD}
+\${ac_uA}NDIR\${ac_uB}NDIR\${ac_uC}1\${ac_uD}
+\${ac_eA}NDIR\${ac_eB}NDIR\${ac_eC}1\${ac_eD}
+"
 }
- dirheader=ndir.h
+ ac_dir_header=ndir.h
 
 fi
 rm -f conftest*
 fi
 
-echo checking for closedir return value
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for closedir return value"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <sys/types.h>
-#include <$dirheader>
+#include <$ac_dir_header>
 int closedir(); main() { exit(closedir(opendir(".")) != 0); }
 EOF
-eval $compile
+eval $ac_compile
 if test -s conftest && (./conftest; exit) 2>/dev/null; then
   :
 else
@@ -496,8 +900,12 @@ else
 {
 test -n "$verbose" && \
 echo "	defining VOID_CLOSEDIR"
-echo "#define" VOID_CLOSEDIR 1 >> confdefs.h
+echo "#define" VOID_CLOSEDIR "1" >> confdefs.h
 DEFS="$DEFS -DVOID_CLOSEDIR=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}VOID_CLOSEDIR\${ac_dB}VOID_CLOSEDIR\${ac_dC}1\${ac_dD}
+\${ac_uA}VOID_CLOSEDIR\${ac_uB}VOID_CLOSEDIR\${ac_uC}1\${ac_uD}
+\${ac_eA}VOID_CLOSEDIR\${ac_eB}VOID_CLOSEDIR\${ac_eC}1\${ac_eD}
+"
 }
 
 fi
@@ -505,84 +913,33 @@ rm -fr conftest*
 
 
 # checks for typedefs
-echo checking for uid_t in sys/types.h
+test -n "$silent" || echo "checking for clock_t in time.h"
 echo '#include "confdefs.h"
-#include <sys/types.h>' > conftest.c
-eval "$CPP conftest.c > conftest.out 2>&1"
-if egrep "uid_t" conftest.out >/dev/null 2>&1; then
+#include <time.h>' > conftest.${ac_ext}
+eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
+if egrep "clock_t" conftest.out >/dev/null 2>&1; then
   :
 else
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
-echo "	defining" uid_t to be int
-echo "#define" uid_t int >> confdefs.h
-DEFS="$DEFS -Duid_t=int"
-}
- 
-{
-test -n "$verbose" && \
-echo "	defining" gid_t to be int
-echo "#define" gid_t int >> confdefs.h
-DEFS="$DEFS -Dgid_t=int"
+echo "	defining" clock_t to be "long"
+echo "#define" clock_t "long" >> confdefs.h
+DEFS="$DEFS -Dclock_t=long"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}clock_t\${ac_dB}clock_t\${ac_dC}long\${ac_dD}
+\${ac_uA}clock_t\${ac_uB}clock_t\${ac_uC}long\${ac_uD}
+\${ac_eA}clock_t\${ac_eB}clock_t\${ac_eC}long\${ac_eD}
+"
 }
 
 fi
 rm -f conftest*
 
-echo checking for type of array argument to getgroups
-prog='/* Thanks to Mike Rendell for this test.  */
-#include <sys/types.h>
-#define NGID 256
-#undef MAX
-#define MAX(x,y) ((x) > (y) ? (x) : (y))
-main()
-{
-  gid_t gidset[NGID];
-  int i, n;
-  union { gid_t gval; long lval; }  val;
-
-  val.lval = -1;
-  for (i = 0; i < NGID; i++)
-    gidset[i] = val.gval;
-  n = getgroups (sizeof (gidset) / MAX (sizeof (int), sizeof (gid_t)) - 1,
-                 gidset);
-  /* Exit non-zero if getgroups seems to require an array of ints.  This
-     happens when gid_t is short but getgroups modifies an array of ints.  */
-  exit ((n > 0 && gidset[n] != val.gval) ? 1 : 0);
-}'
-cat > conftest.c <<EOF
-#include "confdefs.h"
-$prog
-EOF
-eval $compile
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
-  
-{
-test -n "$verbose" && \
-echo "	defining" GETGROUPS_T to be gid_t
-echo "#define" GETGROUPS_T gid_t >> confdefs.h
-DEFS="$DEFS -DGETGROUPS_T=gid_t"
-}
-
-
-else
-  
-{
-test -n "$verbose" && \
-echo "	defining" GETGROUPS_T to be int
-echo "#define" GETGROUPS_T int >> confdefs.h
-DEFS="$DEFS -DGETGROUPS_T=int"
-}
-
-fi
-rm -fr conftest*
-
-echo checking for mode_t in sys/types.h
+test -n "$silent" || echo "checking for mode_t in sys/types.h"
 echo '#include "confdefs.h"
-#include <sys/types.h>' > conftest.c
-eval "$CPP conftest.c > conftest.out 2>&1"
+#include <sys/types.h>' > conftest.${ac_ext}
+eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
 if egrep "mode_t" conftest.out >/dev/null 2>&1; then
   :
 else
@@ -590,18 +947,22 @@ else
   
 {
 test -n "$verbose" && \
-echo "	defining" mode_t to be int
-echo "#define" mode_t int >> confdefs.h
+echo "	defining" mode_t to be "int"
+echo "#define" mode_t "int" >> confdefs.h
 DEFS="$DEFS -Dmode_t=int"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}mode_t\${ac_dB}mode_t\${ac_dC}int\${ac_dD}
+\${ac_uA}mode_t\${ac_uB}mode_t\${ac_uC}int\${ac_uD}
+\${ac_eA}mode_t\${ac_eB}mode_t\${ac_eC}int\${ac_eD}
+"
 }
 
 fi
 rm -f conftest*
 
-echo checking for off_t in sys/types.h
+test -n "$silent" || echo "checking for off_t in sys/types.h"
 echo '#include "confdefs.h"
-#include <sys/types.h>' > conftest.c
-eval "$CPP conftest.c > conftest.out 2>&1"
+#include <sys/types.h>' > conftest.${ac_ext}
+eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
 if egrep "off_t" conftest.out >/dev/null 2>&1; then
   :
 else
@@ -609,18 +970,22 @@ else
   
 {
 test -n "$verbose" && \
-echo "	defining" off_t to be long
-echo "#define" off_t long >> confdefs.h
+echo "	defining" off_t to be "long"
+echo "#define" off_t "long" >> confdefs.h
 DEFS="$DEFS -Doff_t=long"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}off_t\${ac_dB}off_t\${ac_dC}long\${ac_dD}
+\${ac_uA}off_t\${ac_uB}off_t\${ac_uC}long\${ac_uD}
+\${ac_eA}off_t\${ac_eB}off_t\${ac_eC}long\${ac_eD}
+"
 }
 
 fi
 rm -f conftest*
 
-echo checking for pid_t in sys/types.h
+test -n "$silent" || echo "checking for pid_t in sys/types.h"
 echo '#include "confdefs.h"
-#include <sys/types.h>' > conftest.c
-eval "$CPP conftest.c > conftest.out 2>&1"
+#include <sys/types.h>' > conftest.${ac_ext}
+eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
 if egrep "pid_t" conftest.out >/dev/null 2>&1; then
   :
 else
@@ -628,16 +993,20 @@ else
   
 {
 test -n "$verbose" && \
-echo "	defining" pid_t to be int
-echo "#define" pid_t int >> confdefs.h
+echo "	defining" pid_t to be "int"
+echo "#define" pid_t "int" >> confdefs.h
 DEFS="$DEFS -Dpid_t=int"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}pid_t\${ac_dB}pid_t\${ac_dC}int\${ac_dD}
+\${ac_uA}pid_t\${ac_uB}pid_t\${ac_uC}int\${ac_uD}
+\${ac_eA}pid_t\${ac_eB}pid_t\${ac_eC}int\${ac_eD}
+"
 }
 
 fi
 rm -f conftest*
 
-echo checking for return type of signal handlers
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for return type of signal handlers"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -645,17 +1014,21 @@ cat > conftest.c <<EOF
 #undef signal
 #endif
 extern void (*signal ()) ();
-int main() { exit(0); }
-int t() { int i; }
+int main() { return 0; }
+int t() { int i;; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
-echo "	defining" RETSIGTYPE to be void
-echo "#define" RETSIGTYPE void >> confdefs.h
+echo "	defining" RETSIGTYPE to be "void"
+echo "#define" RETSIGTYPE "void" >> confdefs.h
 DEFS="$DEFS -DRETSIGTYPE=void"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}RETSIGTYPE\${ac_dB}RETSIGTYPE\${ac_dC}void\${ac_dD}
+\${ac_uA}RETSIGTYPE\${ac_uB}RETSIGTYPE\${ac_uC}void\${ac_uD}
+\${ac_eA}RETSIGTYPE\${ac_eB}RETSIGTYPE\${ac_eC}void\${ac_eD}
+"
 }
 
 
@@ -664,19 +1037,23 @@ else
   
 {
 test -n "$verbose" && \
-echo "	defining" RETSIGTYPE to be int
-echo "#define" RETSIGTYPE int >> confdefs.h
+echo "	defining" RETSIGTYPE to be "int"
+echo "#define" RETSIGTYPE "int" >> confdefs.h
 DEFS="$DEFS -DRETSIGTYPE=int"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}RETSIGTYPE\${ac_dB}RETSIGTYPE\${ac_dC}int\${ac_dD}
+\${ac_uA}RETSIGTYPE\${ac_uB}RETSIGTYPE\${ac_uC}int\${ac_uD}
+\${ac_eA}RETSIGTYPE\${ac_eB}RETSIGTYPE\${ac_eC}int\${ac_eD}
+"
 }
 
 fi
 rm -f conftest*
 
 
-echo checking for size_t in sys/types.h
+test -n "$silent" || echo "checking for size_t in sys/types.h"
 echo '#include "confdefs.h"
-#include <sys/types.h>' > conftest.c
-eval "$CPP conftest.c > conftest.out 2>&1"
+#include <sys/types.h>' > conftest.${ac_ext}
+eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
 if egrep "size_t" conftest.out >/dev/null 2>&1; then
   :
 else
@@ -684,18 +1061,22 @@ else
   
 {
 test -n "$verbose" && \
-echo "	defining" size_t to be unsigned
-echo "#define" size_t unsigned >> confdefs.h
+echo "	defining" size_t to be "unsigned"
+echo "#define" size_t "unsigned" >> confdefs.h
 DEFS="$DEFS -Dsize_t=unsigned"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}size_t\${ac_dB}size_t\${ac_dC}unsigned\${ac_dD}
+\${ac_uA}size_t\${ac_uB}size_t\${ac_uC}unsigned\${ac_uD}
+\${ac_eA}size_t\${ac_eB}size_t\${ac_eC}unsigned\${ac_eD}
+"
 }
 
 fi
 rm -f conftest*
 
-echo checking for uid_t in sys/types.h
+test -n "$silent" || echo "checking for uid_t in sys/types.h"
 echo '#include "confdefs.h"
-#include <sys/types.h>' > conftest.c
-eval "$CPP conftest.c > conftest.out 2>&1"
+#include <sys/types.h>' > conftest.${ac_ext}
+eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
 if egrep "uid_t" conftest.out >/dev/null 2>&1; then
   :
 else
@@ -703,16 +1084,24 @@ else
   
 {
 test -n "$verbose" && \
-echo "	defining" uid_t to be int
-echo "#define" uid_t int >> confdefs.h
+echo "	defining" uid_t to be "int"
+echo "#define" uid_t "int" >> confdefs.h
 DEFS="$DEFS -Duid_t=int"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}uid_t\${ac_dB}uid_t\${ac_dC}int\${ac_dD}
+\${ac_uA}uid_t\${ac_uB}uid_t\${ac_uC}int\${ac_uD}
+\${ac_eA}uid_t\${ac_eB}uid_t\${ac_eC}int\${ac_eD}
+"
 }
  
 {
 test -n "$verbose" && \
-echo "	defining" gid_t to be int
-echo "#define" gid_t int >> confdefs.h
+echo "	defining" gid_t to be "int"
+echo "#define" gid_t "int" >> confdefs.h
 DEFS="$DEFS -Dgid_t=int"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}gid_t\${ac_dB}gid_t\${ac_dC}int\${ac_dD}
+\${ac_uA}gid_t\${ac_uB}gid_t\${ac_uC}int\${ac_uD}
+\${ac_eA}gid_t\${ac_eB}gid_t\${ac_eC}int\${ac_eD}
+"
 }
 
 fi
@@ -720,194 +1109,448 @@ rm -f conftest*
 
 
 # checks for libraries
-LIBS_save="${LIBS}"
+ac_save_LIBS="${LIBS}"
 LIBS="${LIBS} -ldl"
-have_lib=""
-echo checking for -ldl
-cat > conftest.c <<EOF
+ac_have_lib=""
+test -n "$silent" || echo "checking for -ldl"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 
-int main() { exit(0); }
-int t() { main(); }
+int main() { return 0; }
+int t() { main();; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
-  have_lib="1"
+  ac_have_lib="1"
 
 fi
 rm -f conftest*
-LIBS="${LIBS_save}"
-if test -n "${have_lib}"; then
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
    
 {
 test -n "$verbose" && \
 echo "	defining HAVE_LIBDL"
-echo "#define" HAVE_LIBDL 1 >> confdefs.h
+echo "#define" HAVE_LIBDL "1" >> confdefs.h
 DEFS="$DEFS -DHAVE_LIBDL=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}HAVE_LIBDL\${ac_dB}HAVE_LIBDL\${ac_dC}1\${ac_dD}
+\${ac_uA}HAVE_LIBDL\${ac_uB}HAVE_LIBDL\${ac_uC}1\${ac_uD}
+\${ac_eA}HAVE_LIBDL\${ac_eB}HAVE_LIBDL\${ac_eC}1\${ac_eD}
+"
 }
 
    LIBS="${LIBS} -ldl"
 fi
 
-LIBS="${LIBS} -L${READLINESRC-${PWD-${CWD-`pwd`}}/readline}"
-LIBS_save="${LIBS}"
-LIBS="${LIBS} -lreadline"
-have_lib=""
-echo checking for -lreadline
-cat > conftest.c <<EOF
+
+test -n "$silent" || echo "checking for --with-svr4"
+# check whether --with-svr4 or --without-svr4 was given.
+withval="$with_svr4"
+if test -n "$withval"; then
+  
+ac_save_LIBS="${LIBS}"
+LIBS="${LIBS} -lsocket"
+ac_have_lib=""
+test -n "$silent" || echo "checking for -lsocket"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 
-int main() { exit(0); }
-int t() { main(); }
+int main() { return 0; }
+int t() { main();; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
-  have_lib="1"
+  ac_have_lib="1"
 
 fi
 rm -f conftest*
-LIBS="${LIBS_save}"
-if test -n "${have_lib}"; then
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
    
 {
 test -n "$verbose" && \
-echo "	defining HAVE_LIBREADLINE"
-echo "#define" HAVE_LIBREADLINE 1 >> confdefs.h
-DEFS="$DEFS -DHAVE_LIBREADLINE=1"
+echo "	defining HAVE_LIBSOCKET"
+echo "#define" HAVE_LIBSOCKET "1" >> confdefs.h
+DEFS="$DEFS -DHAVE_LIBSOCKET=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}HAVE_LIBSOCKET\${ac_dB}HAVE_LIBSOCKET\${ac_dC}1\${ac_dD}
+\${ac_uA}HAVE_LIBSOCKET\${ac_uB}HAVE_LIBSOCKET\${ac_uC}1\${ac_uD}
+\${ac_eA}HAVE_LIBSOCKET\${ac_eB}HAVE_LIBSOCKET\${ac_eC}1\${ac_eD}
+"
 }
 
-   LIBS="${LIBS} -lreadline"
+   LIBS="${LIBS} -lsocket"
 fi
 
-if test -n "${have_lib}"; then
-LIBS_save="${LIBS}"
-LIBS="${LIBS} -ltermcap"
-have_lib=""
-echo checking for -ltermcap
-cat > conftest.c <<EOF
+ac_save_LIBS="${LIBS}"
+LIBS="${LIBS} -linet"
+ac_have_lib=""
+test -n "$silent" || echo "checking for -linet"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 
-int main() { exit(0); }
-int t() { main(); }
+int main() { return 0; }
+int t() { main();; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
-  have_lib="1"
+  ac_have_lib="1"
 
 fi
 rm -f conftest*
-LIBS="${LIBS_save}"
-if test -n "${have_lib}"; then
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
    
 {
 test -n "$verbose" && \
-echo "	defining HAVE_LIBTERMCAP"
-echo "#define" HAVE_LIBTERMCAP 1 >> confdefs.h
-DEFS="$DEFS -DHAVE_LIBTERMCAP=1"
+echo "	defining HAVE_LIBINET"
+echo "#define" HAVE_LIBINET "1" >> confdefs.h
+DEFS="$DEFS -DHAVE_LIBINET=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}HAVE_LIBINET\${ac_dB}HAVE_LIBINET\${ac_dC}1\${ac_dD}
+\${ac_uA}HAVE_LIBINET\${ac_uB}HAVE_LIBINET\${ac_uC}1\${ac_uD}
+\${ac_eA}HAVE_LIBINET\${ac_eB}HAVE_LIBINET\${ac_eC}1\${ac_eD}
+"
 }
 
-   LIBS="${LIBS} -ltermcap"
+   LIBS="${LIBS} -linet"
 fi
 
+ac_save_LIBS="${LIBS}"
+LIBS="${LIBS} -lnsl"
+ac_have_lib=""
+test -n "$silent" || echo "checking for -lnsl"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+
+int main() { return 0; }
+int t() { main();; return 0; }
+EOF
+if eval $ac_compile; then
+  rm -rf conftest*
+  ac_have_lib="1"
+
 fi
+rm -f conftest*
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
+   
+{
+test -n "$verbose" && \
+echo "	defining HAVE_LIBNSL"
+echo "#define" HAVE_LIBNSL "1" >> confdefs.h
+DEFS="$DEFS -DHAVE_LIBNSL=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}HAVE_LIBNSL\${ac_dB}HAVE_LIBNSL\${ac_dC}1\${ac_dD}
+\${ac_uA}HAVE_LIBNSL\${ac_uB}HAVE_LIBNSL\${ac_uC}1\${ac_uD}
+\${ac_eA}HAVE_LIBNSL\${ac_eB}HAVE_LIBNSL\${ac_eC}1\${ac_eD}
+"
+}
 
-# Check for IRIX or SOLARIS thread interface
-LIBS_save="${LIBS}"
-LIBS="${LIBS} -lmpc"
-have_lib=""
-echo checking for -lmpc
-cat > conftest.c <<EOF
+   LIBS="${LIBS} -lnsl"
+fi
+
+
+fi
+
+
+test -n "$silent" || echo "checking for --with-readline"
+# check whether --with-readline or --without-readline was given.
+withval="$with_readline"
+if test -n "$withval"; then
+  
+{
+test -n "$verbose" && \
+echo "	defining WITH_READLINE"
+echo "#define" WITH_READLINE "1" >> confdefs.h
+DEFS="$DEFS -DWITH_READLINE=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}WITH_READLINE\${ac_dB}WITH_READLINE\${ac_dC}1\${ac_dD}
+\${ac_uA}WITH_READLINE\${ac_uB}WITH_READLINE\${ac_uC}1\${ac_uD}
+\${ac_eA}WITH_READLINE\${ac_eB}WITH_READLINE\${ac_eC}1\${ac_eD}
+"
+}
+
+if test -d "$withval"
+then LIBS="$LIBS -L$withval"
+else echo "configure: proper usage is --with-readline=DIRECTORY" >&2; exit 1
+fi
+termcap=
+ac_save_LIBS="${LIBS}"
+LIBS="${LIBS} -ltermcap"
+ac_have_lib=""
+test -n "$silent" || echo "checking for -ltermcap"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 
-int main() { exit(0); }
-int t() { main(); }
+int main() { return 0; }
+int t() { main();; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
-  have_lib="1"
+  ac_have_lib="1"
 
 fi
 rm -f conftest*
-LIBS="${LIBS_save}"
-if test -n "${have_lib}"; then
-   
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
+   :; termcap=termcap
+else
+   :; ac_save_LIBS="${LIBS}"
+LIBS="${LIBS} -ltermlib"
+ac_have_lib=""
+test -n "$silent" || echo "checking for -ltermlib"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+
+int main() { return 0; }
+int t() { main();; return 0; }
+EOF
+if eval $ac_compile; then
+  rm -rf conftest*
+  ac_have_lib="1"
+
+fi
+rm -f conftest*
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
+   :; termcap=termlib
+else
+   :; 
+fi
+
+fi
+
+if test ! -z "$termcap"
+then LIBS="$LIBS -lreadline"
+     # Avoid possible conflict between shared libraries termcap and gl
+     # on IRIX 5: both contain a routine called clear.
+     if test -f /usr/lib/lib$termcap.a
+     then LIBS="$LIBS /usr/lib/lib$termcap.a"
+     else LIBS="$LIBS -l$termcap"
+     fi
+else echo "configure: no working termcap/termlib" >&2; exit 1
+fi
+fi
+
+
+test -n "$silent" || echo "checking for --with-thread"
+# check whether --with-thread or --without-thread was given.
+withval="$with_thread"
+if test -n "$withval"; then
+  
+if test -d "$withval"
+then LIBS="$LIBS -L$withval"
+fi
+ac_save_LIBS="${LIBS}"
+LIBS="${LIBS} -lpthreads"
+ac_have_lib=""
+test -n "$silent" || echo "checking for -lpthreads"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+
+int main() { return 0; }
+int t() { main();; return 0; }
+EOF
+if eval $ac_compile; then
+  rm -rf conftest*
+  ac_have_lib="1"
+
+fi
+rm -f conftest*
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
+   :; 
 {
 test -n "$verbose" && \
-echo "	defining HAVE_LIBMPC"
-echo "#define" HAVE_LIBMPC 1 >> confdefs.h
-DEFS="$DEFS -DHAVE_LIBMPC=1"
+echo "	defining WITH_THREAD"
+echo "#define" WITH_THREAD "1" >> confdefs.h
+DEFS="$DEFS -DWITH_THREAD=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}WITH_THREAD\${ac_dB}WITH_THREAD\${ac_dC}1\${ac_dD}
+\${ac_uA}WITH_THREAD\${ac_uB}WITH_THREAD\${ac_uC}1\${ac_uD}
+\${ac_eA}WITH_THREAD\${ac_eB}WITH_THREAD\${ac_eC}1\${ac_eD}
+"
 }
 
-   LIBS="${LIBS} -lmpc"
+
+{
+test -n "$verbose" && \
+echo "	defining _POSIX_THREADS"
+echo "#define" _POSIX_THREADS "1" >> confdefs.h
+DEFS="$DEFS -D_POSIX_THREADS=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}_POSIX_THREADS\${ac_dB}_POSIX_THREADS\${ac_dC}1\${ac_dD}
+\${ac_uA}_POSIX_THREADS\${ac_uB}_POSIX_THREADS\${ac_uC}1\${ac_uD}
+\${ac_eA}_POSIX_THREADS\${ac_eB}_POSIX_THREADS\${ac_eC}1\${ac_eD}
+"
+}
+
+LIBS="$LIBS -lpthreads"
+LIBOBJS="$LIBOBJS thread.o"
+else
+   :; 
+fi
+
+ac_save_LIBS="${LIBS}"
+LIBS="${LIBS} -lmpc"
+ac_have_lib=""
+test -n "$silent" || echo "checking for -lmpc"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+
+int main() { return 0; }
+int t() { main();; return 0; }
+EOF
+if eval $ac_compile; then
+  rm -rf conftest*
+  ac_have_lib="1"
+
 fi
+rm -f conftest*
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
+   :; 
+{
+test -n "$verbose" && \
+echo "	defining WITH_THREAD"
+echo "#define" WITH_THREAD "1" >> confdefs.h
+DEFS="$DEFS -DWITH_THREAD=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}WITH_THREAD\${ac_dB}WITH_THREAD\${ac_dC}1\${ac_dD}
+\${ac_uA}WITH_THREAD\${ac_uB}WITH_THREAD\${ac_uC}1\${ac_uD}
+\${ac_eA}WITH_THREAD\${ac_eB}WITH_THREAD\${ac_eC}1\${ac_eD}
+"
+}
 
-if test -n "${have_lib}"; then
-DEFS="${DEFS} -DUSE_THREAD"
-LIBOBJS="${LIBOBJS} thread.o"
+LIBS="$LIBS -lmpc"
+LIBOBJS="$LIBOBJS thread.o"
+else
+   :; 
 fi
 
-LIBS_save="${LIBS}"
+ac_save_LIBS="${LIBS}"
 LIBS="${LIBS} -lthread"
-have_lib=""
-echo checking for -lthread
-cat > conftest.c <<EOF
+ac_have_lib=""
+test -n "$silent" || echo "checking for -lthread"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 
-int main() { exit(0); }
-int t() { main(); }
+int main() { return 0; }
+int t() { main();; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
-  have_lib="1"
+  ac_have_lib="1"
 
 fi
 rm -f conftest*
-LIBS="${LIBS_save}"
-if test -n "${have_lib}"; then
-   
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
+   :; 
+{
+test -n "$verbose" && \
+echo "	defining WITH_THREAD"
+echo "#define" WITH_THREAD "1" >> confdefs.h
+DEFS="$DEFS -DWITH_THREAD=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}WITH_THREAD\${ac_dB}WITH_THREAD\${ac_dC}1\${ac_dD}
+\${ac_uA}WITH_THREAD\${ac_uB}WITH_THREAD\${ac_uC}1\${ac_uD}
+\${ac_eA}WITH_THREAD\${ac_eB}WITH_THREAD\${ac_eC}1\${ac_eD}
+"
+}
+
+LIBS="$LIBS -lthread"
+LIBOBJS="$LIBOBJS thread.o"
+else
+   :; 
+fi
+
+
+fi
+
+
+# -I${DLINCLDIR} is added to the compile rule for import.o
+
+DLINCLDIR=/
+
+test -n "$silent" || echo "checking for --with-sgi-dl"
+# check whether --with-sgi-dl or --without-sgi-dl was given.
+withval="$with_sgi_dl"
+if test -n "$withval"; then
+  
 {
 test -n "$verbose" && \
-echo "	defining HAVE_LIBTHREAD"
-echo "#define" HAVE_LIBTHREAD 1 >> confdefs.h
-DEFS="$DEFS -DHAVE_LIBTHREAD=1"
+echo "	defining WITH_SGI_DL"
+echo "#define" WITH_SGI_DL "1" >> confdefs.h
+DEFS="$DEFS -DWITH_SGI_DL=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}WITH_SGI_DL\${ac_dB}WITH_SGI_DL\${ac_dC}1\${ac_dD}
+\${ac_uA}WITH_SGI_DL\${ac_uB}WITH_SGI_DL\${ac_uC}1\${ac_uD}
+\${ac_eA}WITH_SGI_DL\${ac_eB}WITH_SGI_DL\${ac_eC}1\${ac_eD}
+"
 }
 
-   LIBS="${LIBS} -lthread"
+dldir=$withval
+if test -d "$dldir"
+then LIBS="$LIBS -L$dldir"
+else echo "configure: proper usage is --with-sgi-dl=DIRECTORY" >&2; exit 1
+fi
+DLINCLDIR=${dldir}
+LIBS="$LIBS -ldl -lmld"
 fi
 
-if test -n "${have_lib}"; then
-DEFS="${DEFS} -DUSE_THREAD"
-LIBOBJS="${LIBOBJS} thread.o"
+
+test -n "$silent" || echo "checking for --with-dl-dld"
+# check whether --with-dl-dld or --without-dl-dld was given.
+withval="$with_dl_dld"
+if test -n "$withval"; then
+  
+{
+test -n "$verbose" && \
+echo "	defining WITH_DL_DLD"
+echo "#define" WITH_DL_DLD "1" >> confdefs.h
+DEFS="$DEFS -DWITH_DL_DLD=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}WITH_DL_DLD\${ac_dB}WITH_DL_DLD\${ac_dC}1\${ac_dD}
+\${ac_uA}WITH_DL_DLD\${ac_uB}WITH_DL_DLD\${ac_uC}1\${ac_uD}
+\${ac_eA}WITH_DL_DLD\${ac_eB}WITH_DL_DLD\${ac_eC}1\${ac_eD}
+"
+}
+
+dldir=`echo "$withval" | sed 's/,.*//'`
+dlddir=`echo "$withval" | sed 's/.*,//'`
+if test -d "$dldir" -a -d "$dlddir"
+then LIBS="$LIBS -L$dldir -L$dlddir"
+else echo "configure: proper usage is --with-dl-dld=DL_DIRECTORY" >&2; exit 1
+fi
+DLINCLDIR=${dldir}
+LIBS="$LIBS -ldl -ldld"
 fi
 
+
 # checks for library functions
-for func in clock ftime gettimeofday getpgrp getwd lstat readlink readline select setsid setpgid setpgrp siginterrupt symlink tcgetpgrp tcsetpgrp times uname waitpid
+for ac_func in chown clock dlopen ftime gettimeofday getpeername getpgrp getpid getwd link lstat nice readlink select setgid setuid setsid setpgid setpgrp setvbuf siginterrupt symlink tcgetpgrp tcsetpgrp times uname waitpid
 do
-trfunc=HAVE_`echo $func | tr '[a-z]' '[A-Z]'`
-echo checking for ${func}
-cat > conftest.c <<EOF
+ac_tr_func=HAVE_`echo $ac_func | tr '[a-z]' '[A-Z]'`
+test -n "$silent" || echo "checking for ${ac_func}"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <ctype.h>
-int main() { exit(0); }
+int main() { return 0; }
 int t() { 
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
-#if defined (__stub_${func}) || defined (__stub___${func})
+#if defined (__stub_${ac_func}) || defined (__stub___${ac_func})
 choke me
 #else
 /* Override any gcc2 internal prototype to avoid an error.  */
-extern char ${func}(); ${func}();
+extern char ${ac_func}(); ${ac_func}();
 #endif
- }
+; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
   {
 test -n "$verbose" && \
-echo "	defining ${trfunc}"
-echo "#define" ${trfunc} 1 >> confdefs.h
-DEFS="$DEFS -D${trfunc}=1"
+echo "	defining ${ac_tr_func}"
+echo "#define" ${ac_tr_func} "1" >> confdefs.h
+DEFS="$DEFS -D${ac_tr_func}=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}${ac_tr_func}\${ac_dB}${ac_tr_func}\${ac_dC}1\${ac_dD}
+\${ac_uA}${ac_tr_func}\${ac_uB}${ac_tr_func}\${ac_uC}1\${ac_uD}
+\${ac_eA}${ac_tr_func}\${ac_eB}${ac_tr_func}\${ac_eC}1\${ac_eD}
+"
 }
 
 
@@ -915,41 +1558,41 @@ fi
 rm -f conftest*
 done
 
-for func in dup2 getcwd strerror strtoul strtod memmove
+for ac_func in dup2 getcwd strerror memmove
 do
-echo checking for ${func}
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for ${ac_func}"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <ctype.h>
-int main() { exit(0); }
+int main() { return 0; }
 int t() { 
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
-#if defined (__stub_${func}) || defined (__stub___${func})
+#if defined (__stub_${ac_func}) || defined (__stub___${ac_func})
 choke me
 #else
 /* Override any gcc2 internal prototype to avoid an error.  */
-extern char ${func}(); ${func}();
+extern char ${ac_func}(); ${ac_func}();
 #endif
- }
+; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   :
 else
   rm -rf conftest*
-  LIBOBJS="$LIBOBJS ${func}.o"
-test -n "$verbose" && echo "	using ${func}.o instead"
+  LIBOBJS="$LIBOBJS ${ac_func}.o"
+test -n "$verbose" && echo "	using ${ac_func}.o instead"
 fi
 rm -f conftest*
 
 done
 
-echo checking for getpgrp
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for getpgrp"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <ctype.h>
-int main() { exit(0); }
+int main() { return 0; }
 int t() { 
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
@@ -960,25 +1603,29 @@ choke me
 /* Override any gcc2 internal prototype to avoid an error.  */
 extern char getpgrp(); getpgrp();
 #endif
- }
+; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
-  echo checking for argument to getpgrp
-cat > conftest.c <<EOF
+  test -n "$silent" || echo "checking for argument to getpgrp"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <unistd.h>
-int main() { exit(0); }
-int t() { getpgrp(0); }
+int main() { return 0; }
+int t() { getpgrp(0);; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
 echo "	defining GETPGRP_HAVE_ARG"
-echo "#define" GETPGRP_HAVE_ARG 1 >> confdefs.h
+echo "#define" GETPGRP_HAVE_ARG "1" >> confdefs.h
 DEFS="$DEFS -DGETPGRP_HAVE_ARG=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}GETPGRP_HAVE_ARG\${ac_dB}GETPGRP_HAVE_ARG\${ac_dC}1\${ac_dD}
+\${ac_uA}GETPGRP_HAVE_ARG\${ac_uB}GETPGRP_HAVE_ARG\${ac_uC}1\${ac_uD}
+\${ac_eA}GETPGRP_HAVE_ARG\${ac_eB}GETPGRP_HAVE_ARG\${ac_eC}1\${ac_eD}
+"
 }
 
 
@@ -991,38 +1638,42 @@ rm -f conftest*
 
 
 # checks for structures
-echo checking for whether time.h and sys/time.h may both be included
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for whether time.h and sys/time.h may both be included"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
 #include <time.h>
-int main() { exit(0); }
-int t() { struct tm *tp; }
+int main() { return 0; }
+int t() { struct tm *tp;; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
 echo "	defining TIME_WITH_SYS_TIME"
-echo "#define" TIME_WITH_SYS_TIME 1 >> confdefs.h
+echo "#define" TIME_WITH_SYS_TIME "1" >> confdefs.h
 DEFS="$DEFS -DTIME_WITH_SYS_TIME=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}TIME_WITH_SYS_TIME\${ac_dB}TIME_WITH_SYS_TIME\${ac_dC}1\${ac_dD}
+\${ac_uA}TIME_WITH_SYS_TIME\${ac_uB}TIME_WITH_SYS_TIME\${ac_uC}1\${ac_uD}
+\${ac_eA}TIME_WITH_SYS_TIME\${ac_eB}TIME_WITH_SYS_TIME\${ac_eC}1\${ac_eD}
+"
 }
 
 
 fi
 rm -f conftest*
 
-echo checking for struct tm in time.h
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for struct tm in time.h"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
-int main() { exit(0); }
-int t() { struct tm *tp; tp->tm_sec; }
+int main() { return 0; }
+int t() { struct tm *tp; tp->tm_sec;; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   :
 else
   rm -rf conftest*
@@ -1030,66 +1681,78 @@ else
 {
 test -n "$verbose" && \
 echo "	defining TM_IN_SYS_TIME"
-echo "#define" TM_IN_SYS_TIME 1 >> confdefs.h
+echo "#define" TM_IN_SYS_TIME "1" >> confdefs.h
 DEFS="$DEFS -DTM_IN_SYS_TIME=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}TM_IN_SYS_TIME\${ac_dB}TM_IN_SYS_TIME\${ac_dC}1\${ac_dD}
+\${ac_uA}TM_IN_SYS_TIME\${ac_uB}TM_IN_SYS_TIME\${ac_uC}1\${ac_uD}
+\${ac_eA}TM_IN_SYS_TIME\${ac_eB}TM_IN_SYS_TIME\${ac_eC}1\${ac_eD}
+"
 }
 
 fi
 rm -f conftest*
 
-decl='#include <sys/types.h>
+ac_decl='#include <sys/types.h>
 '
 case "$DEFS" in
-  *TM_IN_SYS_TIME*) decl="$decl
+  *TM_IN_SYS_TIME*) ac_decl="$ac_decl
 #include <sys/time.h>
 " ;;
-  *) decl="$decl
+  *) ac_decl="$ac_decl
 #include <time.h>
 " ;;
 esac
-echo checking for tm_zone in struct tm
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for tm_zone in struct tm"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
-$decl
-int main() { exit(0); }
-int t() { struct tm tm; tm.tm_zone; }
+$ac_decl
+int main() { return 0; }
+int t() { struct tm tm; tm.tm_zone;; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
 echo "	defining HAVE_TM_ZONE"
-echo "#define" HAVE_TM_ZONE 1 >> confdefs.h
+echo "#define" HAVE_TM_ZONE "1" >> confdefs.h
 DEFS="$DEFS -DHAVE_TM_ZONE=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}HAVE_TM_ZONE\${ac_dB}HAVE_TM_ZONE\${ac_dC}1\${ac_dD}
+\${ac_uA}HAVE_TM_ZONE\${ac_uB}HAVE_TM_ZONE\${ac_uC}1\${ac_uD}
+\${ac_eA}HAVE_TM_ZONE\${ac_eB}HAVE_TM_ZONE\${ac_eC}1\${ac_eD}
+"
 }
 
 
 else
   rm -rf conftest*
-  no_tm_zone=1
+  ac_no_tm_zone=1
 fi
 rm -f conftest*
 
-if test -n "$no_tm_zone"; then
-echo checking for tzname
-cat > conftest.c <<EOF
+if test -n "$ac_no_tm_zone"; then
+test -n "$silent" || echo "checking for tzname"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
 extern char *tzname[]; /* RS6000 and others want it this way.  */
 #endif
-int main() { exit(0); }
-int t() { atoi(*tzname); }
+int main() { return 0; }
+int t() { atoi(*tzname);; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
   
 {
 test -n "$verbose" && \
 echo "	defining HAVE_TZNAME"
-echo "#define" HAVE_TZNAME 1 >> confdefs.h
+echo "#define" HAVE_TZNAME "1" >> confdefs.h
 DEFS="$DEFS -DHAVE_TZNAME=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}HAVE_TZNAME\${ac_dB}HAVE_TZNAME\${ac_dC}1\${ac_dD}
+\${ac_uA}HAVE_TZNAME\${ac_uB}HAVE_TZNAME\${ac_uC}1\${ac_uD}
+\${ac_eA}HAVE_TZNAME\${ac_eB}HAVE_TZNAME\${ac_eC}1\${ac_eD}
+"
 }
 
 
@@ -1098,9 +1761,98 @@ rm -f conftest*
 
 fi
 
+test -n "$silent" || echo "checking for whether we have altzone"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+#include <time.h>
+int main() { return 0; }
+int t() { return altzone;; return 0; }
+EOF
+if eval $ac_compile; then
+  rm -rf conftest*
+  
+{
+test -n "$verbose" && \
+echo "	defining HAVE_ALTZONE"
+echo "#define" HAVE_ALTZONE "1" >> confdefs.h
+DEFS="$DEFS -DHAVE_ALTZONE=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}HAVE_ALTZONE\${ac_dB}HAVE_ALTZONE\${ac_dC}1\${ac_dD}
+\${ac_uA}HAVE_ALTZONE\${ac_uB}HAVE_ALTZONE\${ac_uC}1\${ac_uD}
+\${ac_eA}HAVE_ALTZONE\${ac_eB}HAVE_ALTZONE\${ac_eC}1\${ac_eD}
+"
+}
+
+
+fi
+rm -f conftest*
+
+test -n "$silent" || echo "checking for whether sys/select.h and sys/time.h may both be included"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+
+#include <sys/types.h>
+#include <sys/select.h>
+#include <sys/time.h>
+
+int main() { return 0; }
+int t() { ;; return 0; }
+EOF
+if eval $ac_compile; then
+  rm -rf conftest*
+  
+{
+test -n "$verbose" && \
+echo "	defining SYS_SELECT_WITH_SYS_TIME"
+echo "#define" SYS_SELECT_WITH_SYS_TIME "1" >> confdefs.h
+DEFS="$DEFS -DSYS_SELECT_WITH_SYS_TIME=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}SYS_SELECT_WITH_SYS_TIME\${ac_dB}SYS_SELECT_WITH_SYS_TIME\${ac_dC}1\${ac_dD}
+\${ac_uA}SYS_SELECT_WITH_SYS_TIME\${ac_uB}SYS_SELECT_WITH_SYS_TIME\${ac_uC}1\${ac_uD}
+\${ac_eA}SYS_SELECT_WITH_SYS_TIME\${ac_eB}SYS_SELECT_WITH_SYS_TIME\${ac_eC}1\${ac_eD}
+"
+}
+
+
+fi
+rm -f conftest*
+
 
 # checks for compiler characteristics
-prog='/* Ultrix mips cc rejects this.  */
+
+test -n "$silent" || echo "checking for unsigned characters"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+/* volatile prevents gcc2 from optimizing the test away on sparcs.  */
+#if !__STDC__
+#define volatile
+#endif
+main() {
+#ifdef __CHAR_UNSIGNED__
+  exit(1); /* No need to redefine it.  */
+#else
+  volatile char c = 255; exit(c < 0);
+#endif
+}
+EOF
+eval $ac_compile
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  
+{
+test -n "$verbose" && \
+echo "	defining __CHAR_UNSIGNED__"
+echo "#define" __CHAR_UNSIGNED__ "1" >> confdefs.h
+DEFS="$DEFS -D__CHAR_UNSIGNED__=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}__CHAR_UNSIGNED__\${ac_dB}__CHAR_UNSIGNED__\${ac_dC}1\${ac_dD}
+\${ac_uA}__CHAR_UNSIGNED__\${ac_uB}__CHAR_UNSIGNED__\${ac_uC}1\${ac_uD}
+\${ac_eA}__CHAR_UNSIGNED__\${ac_eB}__CHAR_UNSIGNED__\${ac_eC}1\${ac_eD}
+"
+}
+
+
+fi
+rm -fr conftest*
+
+
+ac_prog='/* Ultrix mips cc rejects this.  */
 typedef int charset[2]; const charset x;
 /* SunOS 4.1.1 cc rejects this.  */
 char const *const *ccp;
@@ -1138,14 +1890,14 @@ ccp = (char const *const *) p;
 { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
   const int foo = 10;
 }'
-echo checking for lack of working const
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for lack of working const"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 
-int main() { exit(0); }
-int t() { $prog }
+int main() { return 0; }
+int t() { $ac_prog; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   :
 else
   rm -rf conftest*
@@ -1153,40 +1905,106 @@ else
 {
 test -n "$verbose" && \
 echo "	defining" const to be empty
-echo "#define" const  >> confdefs.h
+echo "#define" const "" >> confdefs.h
 DEFS="$DEFS -Dconst="
+ac_sed_defs="${ac_sed_defs}\${ac_dA}const\${ac_dB}const\${ac_dC}\${ac_dD}
+\${ac_uA}const\${ac_uB}const\${ac_uC}\${ac_uD}
+\${ac_eA}const\${ac_eB}const\${ac_eC}\${ac_eD}
+"
 }
 
 fi
 rm -f conftest*
 
-echo checking for prototypes
-cat > conftest.c <<EOF
+
+test -n "$silent" || echo "checking for wheter we have signed char"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+
+int main() { return 0; }
+int t() { signed char c;; return 0; }
+EOF
+if eval $ac_compile; then
+  :
+else
+  rm -rf conftest*
+  
+{
+test -n "$verbose" && \
+echo "	defining" signed to be empty
+echo "#define" signed "" >> confdefs.h
+DEFS="$DEFS -Dsigned="
+ac_sed_defs="${ac_sed_defs}\${ac_dA}signed\${ac_dB}signed\${ac_dC}\${ac_dD}
+\${ac_uA}signed\${ac_uB}signed\${ac_uC}\${ac_uD}
+\${ac_eA}signed\${ac_eB}signed\${ac_eC}\${ac_eD}
+"
+}
+
+fi
+rm -f conftest*
+
+
+test -n "$silent" || echo "checking for prototypes"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
-int foo(int x){return 0;} int main(){return foo(10);}
+
+int foo(int x) { return 0; }
+int main() { return foo(10); }
+
 EOF
-eval $compile
+eval $ac_compile
 if test -s conftest && (./conftest; exit) 2>/dev/null; then
   
 {
 test -n "$verbose" && \
 echo "	defining HAVE_PROTOTYPES"
-echo "#define" HAVE_PROTOTYPES 1 >> confdefs.h
+echo "#define" HAVE_PROTOTYPES "1" >> confdefs.h
 DEFS="$DEFS -DHAVE_PROTOTYPES=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}HAVE_PROTOTYPES\${ac_dB}HAVE_PROTOTYPES\${ac_dC}1\${ac_dD}
+\${ac_uA}HAVE_PROTOTYPES\${ac_uB}HAVE_PROTOTYPES\${ac_uC}1\${ac_uD}
+\${ac_eA}HAVE_PROTOTYPES\${ac_eB}HAVE_PROTOTYPES\${ac_eC}1\${ac_eD}
+"
+}
+ have_prototypes=1
+
+fi
+rm -fr conftest*
+
+test -n "$silent" || echo "checking for variable length prototypes and stdarg.h"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+
+#include <stdarg.h>
+int foo(int x, ...) { return 0; }
+int main() { return foo(10, 11, 12); }
+
+EOF
+eval $ac_compile
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  
+{
+test -n "$verbose" && \
+echo "	defining HAVE_STDARG_PROTOTYPES"
+echo "#define" HAVE_STDARG_PROTOTYPES "1" >> confdefs.h
+DEFS="$DEFS -DHAVE_STDARG_PROTOTYPES=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}HAVE_STDARG_PROTOTYPES\${ac_dB}HAVE_STDARG_PROTOTYPES\${ac_dC}1\${ac_dD}
+\${ac_uA}HAVE_STDARG_PROTOTYPES\${ac_uB}HAVE_STDARG_PROTOTYPES\${ac_uC}1\${ac_uD}
+\${ac_eA}HAVE_STDARG_PROTOTYPES\${ac_eB}HAVE_STDARG_PROTOTYPES\${ac_eC}1\${ac_eD}
+"
 }
  have_prototypes=1
 
 fi
 rm -fr conftest*
 if test "$have_prototypes"; then
-echo checking for "bad exec* prototypes"
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for "bad exec* prototypes""
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #include <unistd.h>
-int main() { exit(0); }
-int t() { char *const*t;execve("@",t,t); }
+int main() { return 0; }
+int t() { char **t;execve("@",t,t);; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   :
 else
   rm -rf conftest*
@@ -1194,8 +2012,12 @@ else
 {
 test -n "$verbose" && \
 echo "	defining BAD_EXEC_PROTOTYPES"
-echo "#define" BAD_EXEC_PROTOTYPES 1 >> confdefs.h
+echo "#define" BAD_EXEC_PROTOTYPES "1" >> confdefs.h
 DEFS="$DEFS -DBAD_EXEC_PROTOTYPES=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}BAD_EXEC_PROTOTYPES\${ac_dB}BAD_EXEC_PROTOTYPES\${ac_dC}1\${ac_dD}
+\${ac_uA}BAD_EXEC_PROTOTYPES\${ac_uB}BAD_EXEC_PROTOTYPES\${ac_uC}1\${ac_uD}
+\${ac_eA}BAD_EXEC_PROTOTYPES\${ac_eB}BAD_EXEC_PROTOTYPES\${ac_eC}1\${ac_eD}
+"
 }
 
 fi
@@ -1203,43 +2025,73 @@ rm -f conftest*
 
 fi
 
+test -n "$silent" || echo "checking for bad static forward"
+cat > conftest.${ac_ext} <<EOF
+#include "confdefs.h"
+
+struct s { int a; int b; };
+static struct s foo;
+int foobar() { return !foo.a; }
+static struct s foo = { 1, 2 };
+main() { exit(foobar()); }
+
+EOF
+eval $ac_compile
+if test -s conftest && (./conftest; exit) 2>/dev/null; then
+  :
+else
+  
+{
+test -n "$verbose" && \
+echo "	defining BAD_STATIC_FORWARD"
+echo "#define" BAD_STATIC_FORWARD "1" >> confdefs.h
+DEFS="$DEFS -DBAD_STATIC_FORWARD=1"
+ac_sed_defs="${ac_sed_defs}\${ac_dA}BAD_STATIC_FORWARD\${ac_dB}BAD_STATIC_FORWARD\${ac_dC}1\${ac_dD}
+\${ac_uA}BAD_STATIC_FORWARD\${ac_uB}BAD_STATIC_FORWARD\${ac_uC}1\${ac_uD}
+\${ac_eA}BAD_STATIC_FORWARD\${ac_eB}BAD_STATIC_FORWARD\${ac_eC}1\${ac_eD}
+"
+}
+
+fi
+rm -fr conftest*
+
 # checks for system services
 # (none yet)
 
 # other checks for UNIX variants
-LIBS_save="${LIBS}"
+ac_save_LIBS="${LIBS}"
 LIBS="${LIBS} -lsun"
-have_lib=""
-echo checking for -lsun
-cat > conftest.c <<EOF
+ac_have_lib=""
+test -n "$silent" || echo "checking for -lsun"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 
-int main() { exit(0); }
-int t() { main(); }
+int main() { return 0; }
+int t() { main();; return 0; }
 EOF
-if eval $compile; then
+if eval $ac_compile; then
   rm -rf conftest*
-  have_lib="1"
+  ac_have_lib="1"
 
 fi
 rm -f conftest*
-LIBS="${LIBS_save}"
-if test -n "${have_lib}"; then
+LIBS="${ac_save_LIBS}"
+if test -n "${ac_have_lib}"; then
    :; LIBS="$LIBS -lsun"
 else
    :; 
 fi
 
 
-echo checking for Xenix
-cat > conftest.c <<EOF
+test -n "$silent" || echo "checking for Xenix"
+cat > conftest.${ac_ext} <<EOF
 #include "confdefs.h"
 #if defined(M_XENIX) && !defined(M_UNIX)
   yes
 #endif
 
 EOF
-eval "$CPP conftest.c > conftest.out 2>&1"
+eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
 if egrep "yes" conftest.out >/dev/null 2>&1; then
   rm -rf conftest*
   XENIX=1
@@ -1256,26 +2108,58 @@ if test -n "$XENIX"; then
 fi
 
 
+# check for --with-libm=...
+
+LIBM=-lm
+# check whether --with-libm or --without-libm was given.
+withval="$with_libm"
+if test -n "$withval"; then
+  if test "$withval" != yes
+then LIBM=$withval
+else echo "configure: proper usage is --with-libm=STRING" >&2; exit 1
+fi
+fi
+
+
+# check for --with-libc=...
+
+# check whether --with-libc or --without-libc was given.
+withval="$with_libc"
+if test -n "$withval"; then
+  if test "$withval" != yes
+then LIBC=$withval
+else echo "configure: proper usage is --with-libc=STRING" >&2; exit 1
+fi
+fi
+
+
 # generate output files
 # Set default prefixes.
 if test -n "$prefix"; then
-  test -z "$exec_prefix" && exec_prefix='${prefix}'
-  prsub="s%^prefix\\([ 	]*\\)=\\([ 	]*\\).*$%prefix\\1=\\2$prefix%"
+  test -z "$exec_prefix" && exec_prefix='${prefix}' # Let make expand it.
+  ac_prsub="s%^prefix\\([ 	]*\\)=\\([ 	]*\\).*$%prefix\\1=\\2$prefix%"
 fi
 if test -n "$exec_prefix"; then
-  prsub="$prsub
+  ac_prsub="$ac_prsub
 s%^exec_prefix\\([ 	]*\\)=\\([ 	]*\\).*$%exec_prefix\\1=\\2$exec_prefix%"
 fi
+# Any assignment to VPATH causes Sun make to only execute
+# the first set of double-colon rules, so remove it if not needed.
+# If there is a colon in the path, we need to keep it.
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[ 	]*VPATH[ 	]*=[^:]*$/d'
+fi
+
 # Quote sed substitution magic chars in DEFS.
 cat >conftest.def <<EOF
 $DEFS
 EOF
-escape_ampersand_and_backslash='s%[&\\]%\\&%g'
-DEFS=`sed "$escape_ampersand_and_backslash" <conftest.def`
+ac_escape_ampersand_and_backslash='s%[&\\]%\\&%g'
+DEFS=`sed "$ac_escape_ampersand_and_backslash" <conftest.def`
 rm -f conftest.def
 # Substitute for predefined variables.
 
-trap 'rm -f config.status; exit 1' 1 3 15
+trap 'rm -f config.status; exit 1' 1 2 15
 echo creating config.status
 rm -f config.status
 cat > config.status <<EOF
@@ -1287,61 +2171,201 @@ cat > config.status <<EOF
 #
 # $0 $configure_args
 
-for arg
+ac_cs_usage="Usage: config.status [--recheck] [--version] [--help]"
+for ac_option
 do
-  case "\$arg" in
-    -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
-    echo running \${CONFIG_SHELL-/bin/sh} $0 $configure_args
-    exec \${CONFIG_SHELL-/bin/sh} $0 $configure_args ;;
-    *) echo "Usage: config.status --recheck" 2>&1; exit 1 ;;
+  case "\$ac_option" in
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+    echo running \${CONFIG_SHELL-/bin/sh} $0 $configure_args --no-create
+    exec \${CONFIG_SHELL-/bin/sh} $0 $configure_args --no-create ;;
+  -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
+    echo "config.status generated by autoconf version 1.8"
+    exit 0 ;;
+  -help | --help | --hel | --he | --h)
+    echo "\$ac_cs_usage"; exit 0 ;;
+  *) echo "\$ac_cs_usage"; exit 1 ;;
   esac
 done
 
-trap 'rm -f Objects/Makefile Parser/Makefile Python/Makefile; exit 1' 1 3 15
+trap 'rm -fr Makefile Objects/Makefile Parser/Makefile Python/Makefile Modules/Makefile.pre config.h conftest*; exit 1' 1 2 15
 CC='$CC'
+INSTALL='$INSTALL'
+INSTALL_PROGRAM='$INSTALL_PROGRAM'
+INSTALL_DATA='$INSTALL_DATA'
 RANLIB='$RANLIB'
+AR='$AR'
 CPP='$CPP'
+DLINCLDIR='$DLINCLDIR'
 LIBOBJS='$LIBOBJS'
+LIBM='$LIBM'
+LIBC='$LIBC'
 LIBS='$LIBS'
 srcdir='$srcdir'
-DEFS='$DEFS'
+top_srcdir='$top_srcdir'
 prefix='$prefix'
 exec_prefix='$exec_prefix'
-prsub='$prsub'
+ac_prsub='$ac_prsub'
+ac_vpsub='$ac_vpsub'
 extrasub='$extrasub'
 EOF
 cat >> config.status <<\EOF
 
-top_srcdir=$srcdir
+ac_given_srcdir=$srcdir
 
-CONFIG_FILES=${CONFIG_FILES-"Objects/Makefile Parser/Makefile Python/Makefile"}
-for file in .. ${CONFIG_FILES}; do if test "x$file" != x..; then
-  srcdir=$top_srcdir
+CONFIG_FILES=${CONFIG_FILES-"Makefile Objects/Makefile Parser/Makefile Python/Makefile Modules/Makefile.pre"}
+for ac_file in .. ${CONFIG_FILES}; do if test "x$ac_file" != x..; then
   # Remove last slash and all that follows it.  Not all systems have dirname.
-  dir=`echo $file|sed 's%/[^/][^/]*$%%'`
-  if test "$dir" != "$file"; then
-    test "$top_srcdir" != . && srcdir=$top_srcdir/$dir
-    test ! -d $dir && mkdir $dir
+  ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
+  if test "$ac_dir" != "$ac_file"; then
+    # The file is in a subdirectory.
+    test ! -d "$ac_dir" && mkdir "$ac_dir"
+    ac_dir_suffix="/$ac_dir"
+  else
+    ac_dir_suffix=
   fi
-  echo creating $file
-  rm -f $file
-  echo "# Generated automatically from `echo $file|sed 's|.*/||'`.in by configure." > $file
+
+  # A "../" for each directory in $ac_dir_suffix.
+  ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
+  case "$ac_given_srcdir" in
+  .)  srcdir=.; top_srcdir="$ac_dots." ;;
+  /*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
+  *) # Relative path.
+    srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
+    top_srcdir="$ac_dots$ac_given_srcdir" ;;
+  esac
+
+  echo creating "$ac_file"
+  rm -f "$ac_file"
+  comment_str="Generated automatically from `echo $ac_file|sed 's|.*/||'`.in by configure."
+  case "$ac_file" in
+    *.c | *.h | *.C | *.cc | *.m )  echo "/* $comment_str */" > "$ac_file" ;;
+    * )          echo "# $comment_str"     > "$ac_file" ;;
+  esac
   sed -e "
-$prsub
+$ac_prsub
+$ac_vpsub
 $extrasub
 s%@CC@%$CC%g
+s%@INSTALL@%$INSTALL%g
+s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
+s%@INSTALL_DATA@%$INSTALL_DATA%g
 s%@RANLIB@%$RANLIB%g
+s%@AR@%$AR%g
 s%@CPP@%$CPP%g
+s%@DLINCLDIR@%$DLINCLDIR%g
 s%@LIBOBJS@%$LIBOBJS%g
+s%@LIBM@%$LIBM%g
+s%@LIBC@%$LIBC%g
 s%@LIBS@%$LIBS%g
 s%@srcdir@%$srcdir%g
-s%@DEFS@%$DEFS%
-" $top_srcdir/${file}.in >> $file
+s%@top_srcdir@%$top_srcdir%g
+s%@prefix@%$prefix%g
+s%@exec_prefix@%$exec_prefix%g
+s%@DEFS@%-DHAVE_CONFIG_H%" $ac_given_srcdir/${ac_file}.in >> $ac_file
 fi; done
 
+# These sed commands are put into ac_sed_defs when defining a macro.
+# They are broken into pieces to make the sed script easier to manage.
+# They are passed to sed as "A NAME B NAME C VALUE D", where NAME
+# is the cpp macro being defined and VALUE is the value it is being given.
+# Each defining turns into a single global substitution command.
+# Hopefully no one uses "!" as a variable value.
+# Other candidates for the sed separators, like , and @, do get used.
+#
+# ac_d sets the value in "#define NAME VALUE" lines.
+ac_dA='s!^\([ 	]*\)#\([ 	]*define[ 	][ 	]*\)'
+ac_dB='\([ 	][ 	]*\)[^ 	]*!\1#\2'
+ac_dC='\3'
+ac_dD='!g'
+# ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
+ac_uA='s!^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
+ac_uB='\([ 	]\)!\1#\2define\3'
+ac_uC=' '
+ac_uD='\4!g'
+# ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
+ac_eA='s!^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
+ac_eB='$!\1#\2define\3'
+ac_eC=' '
+ac_eD='!g'
+rm -f conftest.sed
+EOF
+# Turn off quoting long enough to insert the sed commands.
+rm -f conftest.sh
+cat > conftest.sh <<EOF
+$ac_sed_defs
+EOF
+
+# Break up $ac_sed_defs (now in conftest.sh) because some shells have a limit
+# on the size of here documents.
+
+# Maximum number of lines to put in a single here document.
+ac_max_sh_lines=9
+
+while :
+do
+  # wc gives bogus results for an empty file on some AIX systems.
+  ac_lines=`grep -c . conftest.sh`
+  if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi
+  rm -f conftest.s1 conftest.s2
+  sed ${ac_max_sh_lines}q conftest.sh > conftest.s1 # Like head -20.
+  sed 1,${ac_max_sh_lines}d conftest.sh > conftest.s2 # Like tail +21.
+  # Write a limited-size here document to append to conftest.sed.
+  echo 'cat >> conftest.sed <<CONFEOF' >> config.status
+  cat conftest.s1 >> config.status
+  echo 'CONFEOF' >> config.status
+  rm -f conftest.s1 conftest.sh
+  mv conftest.s2 conftest.sh
+done
+rm -f conftest.sh
+
+# Now back to your regularly scheduled config.status.
+cat >> config.status <<\EOF
+# This sed command replaces #undef's with comments.  This is necessary, for
+# example, in the case of _POSIX_SOURCE, which is predefined and required
+# on some systems where configure will not decide to define it in
+# config.h.
+cat >> conftest.sed <<\CONFEOF
+s,^[ 	]*#[ 	]*undef[ 	][ 	]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
+CONFEOF
+rm -f conftest.h
+# Break up the sed commands because old seds have small limits.
+ac_max_sed_lines=20
+
+CONFIG_HEADERS=${CONFIG_HEADERS-"config.h"}
+for ac_file in .. ${CONFIG_HEADERS}; do if test "x$ac_file" != x..; then
+  echo creating $ac_file
+
+  cp $ac_given_srcdir/$ac_file.in conftest.h1
+  while :
+  do
+    ac_lines=`grep -c . conftest.sed`
+    if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi
+    rm -f conftest.s1 conftest.s2 conftest.h2
+    sed ${ac_max_sed_lines}q conftest.sed > conftest.s1 # Like head -20.
+    sed 1,${ac_max_sed_lines}d conftest.sed > conftest.s2 # Like tail +21.
+    sed -f conftest.s1 < conftest.h1 > conftest.h2
+    rm -f conftest.s1 conftest.h1 conftest.sed
+    mv conftest.h2 conftest.h1
+    mv conftest.s2 conftest.sed
+  done
+  rm -f conftest.sed conftest.h
+  echo "/* $ac_file.  Generated automatically by configure.  */" > conftest.h
+  cat conftest.h1 >> conftest.h
+  rm -f conftest.h1
+  if cmp -s $ac_file conftest.h 2>/dev/null; then
+    # The file exists and we would not be changing it.
+    echo "$ac_file is unchanged"
+    rm -f conftest.h
+  else
+    rm -f $ac_file
+    mv conftest.h $ac_file
+  fi
+fi; done
+
+
 
 exit 0
 EOF
 chmod +x config.status
-${CONFIG_SHELL-/bin/sh} config.status
+test -n "$no_create" || ${CONFIG_SHELL-/bin/sh} config.status