From 6da4a8974f27a03af1fd2ef3ded24be102f381bd Mon Sep 17 00:00:00 2001
From: das <das>
Date: Sun, 26 Nov 2006 06:05:38 +0000
Subject: 	* tcl.m4 (Linux): --enable-64bit support. [Patch 1597389],
 [Bug 1230558] 	* configure: autoconf-2.13

---
 ChangeLog      |  11 +-
 unix/configure | 686 ++++++++++++++++++++++++++++++---------------------------
 unix/tcl.m4    |  14 +-
 3 files changed, 382 insertions(+), 329 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 24f3409..9e7a5cb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,13 @@
+2006-11-26  Daniel Steffen  <das@users.sourceforge.net>
+
+	* tcl.m4 (Linux): --enable-64bit support. [Patch 1597389], [Bug 1230558]
+	* configure: autoconf-2.13
+
 2006-11-07  Andreas Kupries  <andreask@activestate.com>
 
-	* unix/tclUnixFCmd.c (CopyFile): [SF Tcl Bug 1586470]. Added code
-	  to fall back to a hardwired default block size should the
-	  filesystem report a bogus value.
+	* unix/tclUnixFCmd.c (CopyFile): Added code to fall back to a
+	hardwired default block size should the filesystem report a bogus
+	value. [Bug 1586470]
 
 2006-11-03  Miguel Sofer  <msofer@users.sf.net>
 
diff --git a/unix/configure b/unix/configure
index 33f3374..cdd213a 100755
--- a/unix/configure
+++ b/unix/configure
@@ -3060,7 +3060,7 @@ fi
 	    #CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
 
 	    if test "$have_dl" = yes; then
-		SHLIB_LD="${CC} -shared"
+		SHLIB_LD='${CC} -shared ${CFLAGS} ${LDFLAGS}'
 		DL_OBJS="tclLoadDl.o"
 		DL_LIBS="-ldl"
 		LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
@@ -3109,6 +3109,42 @@ fi
 	    if test "`uname -m`" = "alpha" ; then
 		CFLAGS="$CFLAGS -mieee"
 	    fi
+	    if test $do64bit = yes; then
+		echo $ac_n "checking if compiler accepts -m64 flag""... $ac_c" 1>&6
+echo "configure:3115: checking if compiler accepts -m64 flag" >&5
+if eval "test \"`echo '$''{'tcl_cv_cc_m64'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  
+		    hold_cflags=$CFLAGS
+		    CFLAGS="$CFLAGS -m64"
+		    cat > conftest.$ac_ext <<EOF
+#line 3123 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:3130: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  tcl_cv_cc_m64=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  tcl_cv_cc_m64=no
+fi
+rm -f conftest*
+		    CFLAGS=$hold_cflags
+fi
+
+echo "$ac_t""$tcl_cv_cc_m64" 1>&6
+		if test $tcl_cv_cc_m64 = yes; then
+		    CFLAGS="$CFLAGS -m64"
+		    do64bit_ok=yes
+		fi
+	    fi
 
 	    # The combo of gcc + glibc has a bug related
 	    # to inlining of functions like strtod(). The
@@ -3143,17 +3179,17 @@ EOF
 	    else
 		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dld.h""... $ac_c" 1>&6
-echo "configure:3147: checking for dld.h" >&5
+echo "configure:3183: checking for dld.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3152 "configure"
+#line 3188 "configure"
 #include "confdefs.h"
 #include <dld.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3157: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3193: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3221,17 +3257,17 @@ fi
 	    # Not available on all versions:  check for include file.
 	    ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
-echo "configure:3225: checking for dlfcn.h" >&5
+echo "configure:3261: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3230 "configure"
+#line 3266 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3235: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3271: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3258,13 +3294,13 @@ if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
 		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
 		LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
 		echo $ac_n "checking for ELF""... $ac_c" 1>&6
-echo "configure:3262: checking for ELF" >&5
+echo "configure:3298: checking for ELF" >&5
 if eval "test \"`echo '$''{'tcl_cv_ld_elf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 		    cat > conftest.$ac_ext <<EOF
-#line 3268 "configure"
+#line 3304 "configure"
 #include "confdefs.h"
 
 #ifdef __ELF__
@@ -3343,13 +3379,13 @@ fi
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1.0'
 		echo $ac_n "checking for ELF""... $ac_c" 1>&6
-echo "configure:3347: checking for ELF" >&5
+echo "configure:3383: checking for ELF" >&5
 if eval "test \"`echo '$''{'tcl_cv_ld_elf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 		    cat > conftest.$ac_ext <<EOF
-#line 3353 "configure"
+#line 3389 "configure"
 #include "confdefs.h"
 
 #ifdef __ELF__
@@ -3430,7 +3466,7 @@ echo "$ac_t""$tcl_cv_ld_elf" 1>&6
 	    fi
 	    SHLIB_LD='${CC} -dynamiclib ${CFLAGS} ${LDFLAGS}'
 	    echo $ac_n "checking if ld accepts -single_module flag""... $ac_c" 1>&6
-echo "configure:3434: checking if ld accepts -single_module flag" >&5
+echo "configure:3470: checking if ld accepts -single_module flag" >&5
 if eval "test \"`echo '$''{'tcl_cv_ld_single_module'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3438,14 +3474,14 @@ else
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -dynamiclib -Wl,-single_module"
 		cat > conftest.$ac_ext <<EOF
-#line 3442 "configure"
+#line 3478 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:3449: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3485: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_ld_single_module=yes
 else
@@ -3472,7 +3508,7 @@ echo "$ac_t""$tcl_cv_ld_single_module" 1>&6
 		LDFLAGS="$LDFLAGS -prebind"
 	    LDFLAGS="$LDFLAGS -headerpad_max_install_names"
 	    echo $ac_n "checking if ld accepts -search_paths_first flag""... $ac_c" 1>&6
-echo "configure:3476: checking if ld accepts -search_paths_first flag" >&5
+echo "configure:3512: checking if ld accepts -search_paths_first flag" >&5
 if eval "test \"`echo '$''{'tcl_cv_ld_search_paths_first'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3480,14 +3516,14 @@ else
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
 		cat > conftest.$ac_ext <<EOF
-#line 3484 "configure"
+#line 3520 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:3491: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3527: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_ld_search_paths_first=yes
 else
@@ -3510,7 +3546,7 @@ echo "$ac_t""$tcl_cv_ld_search_paths_first" 1>&6
 	    PLAT_OBJS=\$\(MAC\_OSX_OBJS\)
 	    PLAT_SRCS=\$\(MAC\_OSX_SRCS\)
 	    echo $ac_n "checking whether to use CoreFoundation""... $ac_c" 1>&6
-echo "configure:3514: checking whether to use CoreFoundation" >&5
+echo "configure:3550: checking whether to use CoreFoundation" >&5
 	    # Check whether --enable-corefoundation or --disable-corefoundation was given.
 if test "${enable_corefoundation+set}" = set; then
   enableval="$enable_corefoundation"
@@ -3522,7 +3558,7 @@ fi
 	    echo "$ac_t""$tcl_corefoundation" 1>&6
 	    if test $tcl_corefoundation = yes; then
 		echo $ac_n "checking for CoreFoundation.framework""... $ac_c" 1>&6
-echo "configure:3526: checking for CoreFoundation.framework" >&5
+echo "configure:3562: checking for CoreFoundation.framework" >&5
 if eval "test \"`echo '$''{'tcl_cv_lib_corefoundation'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3536,14 +3572,14 @@ else
 		    fi
 		    LIBS="$LIBS -framework CoreFoundation"
 		    cat > conftest.$ac_ext <<EOF
-#line 3540 "configure"
+#line 3576 "configure"
 #include "confdefs.h"
 #include <CoreFoundation/CoreFoundation.h>
 int main() {
 CFBundleRef b = CFBundleGetMainBundle();
 ; return 0; }
 EOF
-if { (eval echo configure:3547: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3583: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_lib_corefoundation=yes
 else
@@ -3568,7 +3604,7 @@ EOF
 		fi
 		if test "$fat_32_64" = yes -a $tcl_corefoundation = yes; then
 		    echo $ac_n "checking for 64-bit CoreFoundation""... $ac_c" 1>&6
-echo "configure:3572: checking for 64-bit CoreFoundation" >&5
+echo "configure:3608: checking for 64-bit CoreFoundation" >&5
 if eval "test \"`echo '$''{'tcl_cv_lib_corefoundation_64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3576,14 +3612,14 @@ else
 			hold_cflags=$CFLAGS
 			CFLAGS="`echo "$CFLAGS " | sed -e 's/-arch ppc / /g' -e 's/-arch i386 / /g'`"
 			cat > conftest.$ac_ext <<EOF
-#line 3580 "configure"
+#line 3616 "configure"
 #include "confdefs.h"
 #include <CoreFoundation/CoreFoundation.h>
 int main() {
 CFBundleRef b = CFBundleGetMainBundle();
 ; return 0; }
 EOF
-if { (eval echo configure:3587: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3623: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_lib_corefoundation_64=yes
 else
@@ -3896,7 +3932,7 @@ EOF
 	    # Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers
 	    # that don't grok the -Bexport option.  Test that it does.
 	    echo $ac_n "checking for ld accepts -Bexport flag""... $ac_c" 1>&6
-echo "configure:3900: checking for ld accepts -Bexport flag" >&5
+echo "configure:3936: checking for ld accepts -Bexport flag" >&5
 if eval "test \"`echo '$''{'tcl_cv_ld_Bexport'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3904,14 +3940,14 @@ else
 		hold_ldflags=$LDFLAGS
 		LDFLAGS="$LDFLAGS -Wl,-Bexport"
 		cat > conftest.$ac_ext <<EOF
-#line 3908 "configure"
+#line 3944 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:3915: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3951: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_ld_Bexport=yes
 else
@@ -3958,13 +3994,13 @@ echo "$ac_t""$tcl_cv_ld_Bexport" 1>&6
 
     if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
 	echo $ac_n "checking sys/exec.h""... $ac_c" 1>&6
-echo "configure:3962: checking sys/exec.h" >&5
+echo "configure:3998: checking sys/exec.h" >&5
 if eval "test \"`echo '$''{'tcl_cv_sysexec_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 3968 "configure"
+#line 4004 "configure"
 #include "confdefs.h"
 #include <sys/exec.h>
 int main() {
@@ -3982,7 +4018,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:3986: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4022: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_sysexec_h=usable
 else
@@ -4002,13 +4038,13 @@ EOF
 
 	else
 	    echo $ac_n "checking a.out.h""... $ac_c" 1>&6
-echo "configure:4006: checking a.out.h" >&5
+echo "configure:4042: checking a.out.h" >&5
 if eval "test \"`echo '$''{'tcl_cv_aout_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 4012 "configure"
+#line 4048 "configure"
 #include "confdefs.h"
 #include <a.out.h>
 int main() {
@@ -4026,7 +4062,7 @@ int main() {
 	    
 ; return 0; }
 EOF
-if { (eval echo configure:4030: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4066: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_aout_h=usable
 else
@@ -4046,13 +4082,13 @@ EOF
 
 	    else
 		echo $ac_n "checking sys/exec_aout.h""... $ac_c" 1>&6
-echo "configure:4050: checking sys/exec_aout.h" >&5
+echo "configure:4086: checking sys/exec_aout.h" >&5
 if eval "test \"`echo '$''{'tcl_cv_sysexecaout_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 		cat > conftest.$ac_ext <<EOF
-#line 4056 "configure"
+#line 4092 "configure"
 #include "confdefs.h"
 #include <sys/exec_aout.h>
 int main() {
@@ -4070,7 +4106,7 @@ int main() {
 		
 ; return 0; }
 EOF
-if { (eval echo configure:4074: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4110: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_sysexecaout_h=usable
 else
@@ -4223,7 +4259,7 @@ fi
 
 
     echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:4227: checking for build with symbols" >&5
+echo "configure:4263: checking for build with symbols" >&5
     # Check whether --enable-symbols or --disable-symbols was given.
 if test "${enable_symbols+set}" = set; then
   enableval="$enable_symbols"
@@ -4284,21 +4320,21 @@ TCL_DBGX=${DBGX}
 
 
     echo $ac_n "checking for required early compiler flags""... $ac_c" 1>&6
-echo "configure:4288: checking for required early compiler flags" >&5
+echo "configure:4324: checking for required early compiler flags" >&5
     tcl_flags=""
     
     if eval "test \"`echo '$''{'tcl_cv_flag__isoc99_source'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4295 "configure"
+#line 4331 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int main() {
 char *p = (char *)strtoll; char *q = (char *)strtoull;
 ; return 0; }
 EOF
-if { (eval echo configure:4302: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4338: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__isoc99_source=no
 else
@@ -4306,7 +4342,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 4310 "configure"
+#line 4346 "configure"
 #include "confdefs.h"
 #define _ISOC99_SOURCE 1
 #include <stdlib.h>
@@ -4314,7 +4350,7 @@ int main() {
 char *p = (char *)strtoll; char *q = (char *)strtoull;
 ; return 0; }
 EOF
-if { (eval echo configure:4318: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4354: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__isoc99_source=yes
 else
@@ -4341,14 +4377,14 @@ EOF
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4345 "configure"
+#line 4381 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
 struct stat64 buf; int i = stat64("/", &buf);
 ; return 0; }
 EOF
-if { (eval echo configure:4352: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4388: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__largefile64_source=no
 else
@@ -4356,7 +4392,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 4360 "configure"
+#line 4396 "configure"
 #include "confdefs.h"
 #define _LARGEFILE64_SOURCE 1
 #include <sys/stat.h>
@@ -4364,7 +4400,7 @@ int main() {
 struct stat64 buf; int i = stat64("/", &buf);
 ; return 0; }
 EOF
-if { (eval echo configure:4368: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4404: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__largefile64_source=yes
 else
@@ -4391,14 +4427,14 @@ EOF
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4395 "configure"
+#line 4431 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
 char *p = (char *)open64;
 ; return 0; }
 EOF
-if { (eval echo configure:4402: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4438: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__largefile_source64=no
 else
@@ -4406,7 +4442,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 4410 "configure"
+#line 4446 "configure"
 #include "confdefs.h"
 #define _LARGEFILE_SOURCE64 1
 #include <sys/stat.h>
@@ -4414,7 +4450,7 @@ int main() {
 char *p = (char *)open64;
 ; return 0; }
 EOF
-if { (eval echo configure:4418: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4454: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__largefile_source64=yes
 else
@@ -4445,7 +4481,7 @@ EOF
 
 
     echo $ac_n "checking for 64-bit integer type""... $ac_c" 1>&6
-echo "configure:4449: checking for 64-bit integer type" >&5
+echo "configure:4485: checking for 64-bit integer type" >&5
     if eval "test \"`echo '$''{'tcl_cv_type_64bit'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4453,14 +4489,14 @@ else
 	tcl_cv_type_64bit=none
 	# See if the compiler knows natively about __int64
 	cat > conftest.$ac_ext <<EOF
-#line 4457 "configure"
+#line 4493 "configure"
 #include "confdefs.h"
 
 int main() {
 __int64 value = (__int64) 0;
 ; return 0; }
 EOF
-if { (eval echo configure:4464: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4500: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_type_64bit=__int64
 else
@@ -4474,7 +4510,7 @@ rm -f conftest*
 	# type that is our current guess for a 64-bit type inside this check
 	# program, so it should be modified only carefully...
         cat > conftest.$ac_ext <<EOF
-#line 4478 "configure"
+#line 4514 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4483,7 +4519,7 @@ switch (0) {
         }
 ; return 0; }
 EOF
-if { (eval echo configure:4487: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4523: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_type_64bit=${tcl_type_64bit}
 else
@@ -4508,13 +4544,13 @@ EOF
 
 	# Now check for auxiliary declarations
 	echo $ac_n "checking for struct dirent64""... $ac_c" 1>&6
-echo "configure:4512: checking for struct dirent64" >&5
+echo "configure:4548: checking for struct dirent64" >&5
 if eval "test \"`echo '$''{'tcl_cv_struct_dirent64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 4518 "configure"
+#line 4554 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/dirent.h>
@@ -4522,7 +4558,7 @@ int main() {
 struct dirent64 p;
 ; return 0; }
 EOF
-if { (eval echo configure:4526: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4562: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_struct_dirent64=yes
 else
@@ -4543,13 +4579,13 @@ EOF
 	fi
 
 	echo $ac_n "checking for struct stat64""... $ac_c" 1>&6
-echo "configure:4547: checking for struct stat64" >&5
+echo "configure:4583: checking for struct stat64" >&5
 if eval "test \"`echo '$''{'tcl_cv_struct_stat64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 4553 "configure"
+#line 4589 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
@@ -4557,7 +4593,7 @@ struct stat64 p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:4561: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4597: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_struct_stat64=yes
 else
@@ -4580,12 +4616,12 @@ EOF
 	for ac_func in open64 lseek64
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4584: checking for $ac_func" >&5
+echo "configure:4620: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4589 "configure"
+#line 4625 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4608,7 +4644,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4612: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4633,13 +4669,13 @@ fi
 done
 
 	echo $ac_n "checking for off64_t""... $ac_c" 1>&6
-echo "configure:4637: checking for off64_t" >&5
+echo "configure:4673: checking for off64_t" >&5
 	if eval "test \"`echo '$''{'tcl_cv_type_off64_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 4643 "configure"
+#line 4679 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int main() {
@@ -4647,7 +4683,7 @@ off64_t offset;
 
 ; return 0; }
 EOF
-if { (eval echo configure:4651: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4687: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_type_off64_t=yes
 else
@@ -4679,14 +4715,14 @@ EOF
 #--------------------------------------------------------------------
 
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:4683: checking whether byte ordering is bigendian" >&5
+echo "configure:4719: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 4690 "configure"
+#line 4726 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -4697,11 +4733,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4701: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4737: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 4705 "configure"
+#line 4741 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -4712,7 +4748,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4716: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4752: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -4732,7 +4768,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4736 "configure"
+#line 4772 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -4745,7 +4781,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:4749: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4785: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -4778,12 +4814,12 @@ fi
 for ac_func in getcwd
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4782: checking for $ac_func" >&5
+echo "configure:4818: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4787 "configure"
+#line 4823 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4806,7 +4842,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4810: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4846: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4840,12 +4876,12 @@ done
 for ac_func in opendir strstr strtol strtoll strtoull tmpnam waitpid
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4844: checking for $ac_func" >&5
+echo "configure:4880: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4849 "configure"
+#line 4885 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4868,7 +4904,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4872: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4908: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4895,12 +4931,12 @@ done
 
 
 echo $ac_n "checking for strerror""... $ac_c" 1>&6
-echo "configure:4899: checking for strerror" >&5
+echo "configure:4935: checking for strerror" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strerror'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4904 "configure"
+#line 4940 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strerror(); below.  */
@@ -4923,7 +4959,7 @@ strerror();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4927: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4963: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strerror=yes"
 else
@@ -4947,12 +4983,12 @@ EOF
 fi
 
 echo $ac_n "checking for getwd""... $ac_c" 1>&6
-echo "configure:4951: checking for getwd" >&5
+echo "configure:4987: checking for getwd" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getwd'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4956 "configure"
+#line 4992 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getwd(); below.  */
@@ -4975,7 +5011,7 @@ getwd();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4979: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5015: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getwd=yes"
 else
@@ -4999,12 +5035,12 @@ EOF
 fi
 
 echo $ac_n "checking for wait3""... $ac_c" 1>&6
-echo "configure:5003: checking for wait3" >&5
+echo "configure:5039: checking for wait3" >&5
 if eval "test \"`echo '$''{'ac_cv_func_wait3'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5008 "configure"
+#line 5044 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char wait3(); below.  */
@@ -5027,7 +5063,7 @@ wait3();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5031: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5067: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_wait3=yes"
 else
@@ -5051,12 +5087,12 @@ EOF
 fi
 
 echo $ac_n "checking for uname""... $ac_c" 1>&6
-echo "configure:5055: checking for uname" >&5
+echo "configure:5091: checking for uname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_uname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5060 "configure"
+#line 5096 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char uname(); below.  */
@@ -5079,7 +5115,7 @@ uname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5083: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5119: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_uname=yes"
 else
@@ -5110,12 +5146,12 @@ if test "`uname -s`" = "Darwin" && test "${TCL_THREADS}" = 1 && \
     ac_cv_func_realpath=no
 fi
 echo $ac_n "checking for realpath""... $ac_c" 1>&6
-echo "configure:5114: checking for realpath" >&5
+echo "configure:5150: checking for realpath" >&5
 if eval "test \"`echo '$''{'ac_cv_func_realpath'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5119 "configure"
+#line 5155 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char realpath(); below.  */
@@ -5138,7 +5174,7 @@ realpath();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5142: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5178: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_realpath=yes"
 else
@@ -5168,12 +5204,12 @@ fi
 
 if test "${TCL_THREADS}" = 1; then
     echo $ac_n "checking for getpwuid_r""... $ac_c" 1>&6
-echo "configure:5172: checking for getpwuid_r" >&5
+echo "configure:5208: checking for getpwuid_r" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getpwuid_r'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5177 "configure"
+#line 5213 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getpwuid_r(); below.  */
@@ -5196,7 +5232,7 @@ getpwuid_r();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5200: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5236: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getpwuid_r=yes"
 else
@@ -5212,13 +5248,13 @@ if eval "test \"`echo '$ac_cv_func_'getpwuid_r`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
     echo $ac_n "checking for getpwuid_r with 5 args""... $ac_c" 1>&6
-echo "configure:5216: checking for getpwuid_r with 5 args" >&5
+echo "configure:5252: checking for getpwuid_r with 5 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_getpwuid_r_5'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 5222 "configure"
+#line 5258 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5235,7 +5271,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5239: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5275: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_getpwuid_r_5=yes
 else
@@ -5256,13 +5292,13 @@ EOF
 
     else
 	echo $ac_n "checking for getpwuid_r with 4 args""... $ac_c" 1>&6
-echo "configure:5260: checking for getpwuid_r with 4 args" >&5
+echo "configure:5296: checking for getpwuid_r with 4 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_getpwuid_r_4'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 5266 "configure"
+#line 5302 "configure"
 #include "confdefs.h"
 
 	    #include <sys/types.h>
@@ -5279,7 +5315,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5283: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5319: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_getpwuid_r_4=yes
 else
@@ -5312,12 +5348,12 @@ else
 fi
 
     echo $ac_n "checking for getpwnam_r""... $ac_c" 1>&6
-echo "configure:5316: checking for getpwnam_r" >&5
+echo "configure:5352: checking for getpwnam_r" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getpwnam_r'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5321 "configure"
+#line 5357 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getpwnam_r(); below.  */
@@ -5340,7 +5376,7 @@ getpwnam_r();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5344: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5380: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getpwnam_r=yes"
 else
@@ -5356,13 +5392,13 @@ if eval "test \"`echo '$ac_cv_func_'getpwnam_r`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
     echo $ac_n "checking for getpwnam_r with 5 args""... $ac_c" 1>&6
-echo "configure:5360: checking for getpwnam_r with 5 args" >&5
+echo "configure:5396: checking for getpwnam_r with 5 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_getpwnam_r_5'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 5366 "configure"
+#line 5402 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5379,7 +5415,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5383: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5419: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_getpwnam_r_5=yes
 else
@@ -5400,13 +5436,13 @@ EOF
 
     else
 	echo $ac_n "checking for getpwnam_r with 4 args""... $ac_c" 1>&6
-echo "configure:5404: checking for getpwnam_r with 4 args" >&5
+echo "configure:5440: checking for getpwnam_r with 4 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_getpwnam_r_4'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 5410 "configure"
+#line 5446 "configure"
 #include "confdefs.h"
 
 	    #include <sys/types.h>
@@ -5423,7 +5459,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5427: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5463: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_getpwnam_r_4=yes
 else
@@ -5456,12 +5492,12 @@ else
 fi
 
     echo $ac_n "checking for getgrgid_r""... $ac_c" 1>&6
-echo "configure:5460: checking for getgrgid_r" >&5
+echo "configure:5496: checking for getgrgid_r" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getgrgid_r'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5465 "configure"
+#line 5501 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getgrgid_r(); below.  */
@@ -5484,7 +5520,7 @@ getgrgid_r();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5488: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5524: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getgrgid_r=yes"
 else
@@ -5500,13 +5536,13 @@ if eval "test \"`echo '$ac_cv_func_'getgrgid_r`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
     echo $ac_n "checking for getgrgid_r with 5 args""... $ac_c" 1>&6
-echo "configure:5504: checking for getgrgid_r with 5 args" >&5
+echo "configure:5540: checking for getgrgid_r with 5 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_getgrgid_r_5'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 5510 "configure"
+#line 5546 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5523,7 +5559,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5527: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5563: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_getgrgid_r_5=yes
 else
@@ -5544,13 +5580,13 @@ EOF
 
     else
 	echo $ac_n "checking for getgrgid_r with 4 args""... $ac_c" 1>&6
-echo "configure:5548: checking for getgrgid_r with 4 args" >&5
+echo "configure:5584: checking for getgrgid_r with 4 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_getgrgid_r_4'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 5554 "configure"
+#line 5590 "configure"
 #include "confdefs.h"
 
 	    #include <sys/types.h>
@@ -5567,7 +5603,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5571: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5607: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_getgrgid_r_4=yes
 else
@@ -5600,12 +5636,12 @@ else
 fi
 
     echo $ac_n "checking for getgrnam_r""... $ac_c" 1>&6
-echo "configure:5604: checking for getgrnam_r" >&5
+echo "configure:5640: checking for getgrnam_r" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getgrnam_r'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5609 "configure"
+#line 5645 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getgrnam_r(); below.  */
@@ -5628,7 +5664,7 @@ getgrnam_r();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5632: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5668: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getgrnam_r=yes"
 else
@@ -5644,13 +5680,13 @@ if eval "test \"`echo '$ac_cv_func_'getgrnam_r`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
     echo $ac_n "checking for getgrnam_r with 5 args""... $ac_c" 1>&6
-echo "configure:5648: checking for getgrnam_r with 5 args" >&5
+echo "configure:5684: checking for getgrnam_r with 5 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_getgrnam_r_5'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 5654 "configure"
+#line 5690 "configure"
 #include "confdefs.h"
 
 	#include <sys/types.h>
@@ -5667,7 +5703,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5671: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5707: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_getgrnam_r_5=yes
 else
@@ -5688,13 +5724,13 @@ EOF
 
     else
 	echo $ac_n "checking for getgrnam_r with 4 args""... $ac_c" 1>&6
-echo "configure:5692: checking for getgrnam_r with 4 args" >&5
+echo "configure:5728: checking for getgrnam_r with 4 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_getgrnam_r_4'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 5698 "configure"
+#line 5734 "configure"
 #include "confdefs.h"
 
 	    #include <sys/types.h>
@@ -5711,7 +5747,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5715: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5751: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_getgrnam_r_4=yes
 else
@@ -5771,12 +5807,12 @@ EOF
 
     else
 	echo $ac_n "checking for gethostbyname_r""... $ac_c" 1>&6
-echo "configure:5775: checking for gethostbyname_r" >&5
+echo "configure:5811: checking for gethostbyname_r" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname_r'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5780 "configure"
+#line 5816 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname_r(); below.  */
@@ -5799,7 +5835,7 @@ gethostbyname_r();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5803: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5839: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname_r=yes"
 else
@@ -5815,13 +5851,13 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname_r`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
     echo $ac_n "checking for gethostbyname_r with 6 args""... $ac_c" 1>&6
-echo "configure:5819: checking for gethostbyname_r with 6 args" >&5
+echo "configure:5855: checking for gethostbyname_r with 6 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_gethostbyname_r_6'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 5825 "configure"
+#line 5861 "configure"
 #include "confdefs.h"
 
 	#include <netdb.h>
@@ -5838,7 +5874,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5842: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5878: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_gethostbyname_r_6=yes
 else
@@ -5859,13 +5895,13 @@ EOF
 
     else
 	echo $ac_n "checking for gethostbyname_r with 5 args""... $ac_c" 1>&6
-echo "configure:5863: checking for gethostbyname_r with 5 args" >&5
+echo "configure:5899: checking for gethostbyname_r with 5 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_gethostbyname_r_5'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 5869 "configure"
+#line 5905 "configure"
 #include "confdefs.h"
 
 	    #include <netdb.h>
@@ -5882,7 +5918,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:5886: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5922: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_gethostbyname_r_5=yes
 else
@@ -5903,13 +5939,13 @@ EOF
 
 	else
 	    echo $ac_n "checking for gethostbyname_r with 3 args""... $ac_c" 1>&6
-echo "configure:5907: checking for gethostbyname_r with 3 args" >&5
+echo "configure:5943: checking for gethostbyname_r with 3 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_gethostbyname_r_3'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 5913 "configure"
+#line 5949 "configure"
 #include "confdefs.h"
 
 		#include <netdb.h>
@@ -5924,7 +5960,7 @@ int main() {
 	    
 ; return 0; }
 EOF
-if { (eval echo configure:5928: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5964: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_gethostbyname_r_3=yes
 else
@@ -5958,12 +5994,12 @@ else
 fi
 
 	echo $ac_n "checking for gethostbyaddr_r""... $ac_c" 1>&6
-echo "configure:5962: checking for gethostbyaddr_r" >&5
+echo "configure:5998: checking for gethostbyaddr_r" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyaddr_r'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5967 "configure"
+#line 6003 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyaddr_r(); below.  */
@@ -5986,7 +6022,7 @@ gethostbyaddr_r();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5990: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6026: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyaddr_r=yes"
 else
@@ -6002,13 +6038,13 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyaddr_r`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
     echo $ac_n "checking for gethostbyaddr_r with 7 args""... $ac_c" 1>&6
-echo "configure:6006: checking for gethostbyaddr_r with 7 args" >&5
+echo "configure:6042: checking for gethostbyaddr_r with 7 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_gethostbyaddr_r_7'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 6012 "configure"
+#line 6048 "configure"
 #include "confdefs.h"
 
 	#include <netdb.h>
@@ -6028,7 +6064,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:6032: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6068: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_gethostbyaddr_r_7=yes
 else
@@ -6049,13 +6085,13 @@ EOF
 
     else
 	echo $ac_n "checking for gethostbyaddr_r with 8 args""... $ac_c" 1>&6
-echo "configure:6053: checking for gethostbyaddr_r with 8 args" >&5
+echo "configure:6089: checking for gethostbyaddr_r with 8 args" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_gethostbyaddr_r_8'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 6059 "configure"
+#line 6095 "configure"
 #include "confdefs.h"
 
 	    #include <netdb.h>
@@ -6075,7 +6111,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:6079: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6115: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_api_gethostbyaddr_r_8=yes
 else
@@ -6121,17 +6157,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:6125: checking for $ac_hdr" >&5
+echo "configure:6161: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6130 "configure"
+#line 6166 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6135: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6171: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -6158,7 +6194,7 @@ fi
 done
 
     echo $ac_n "checking termios vs. termio vs. sgtty""... $ac_c" 1>&6
-echo "configure:6162: checking termios vs. termio vs. sgtty" >&5
+echo "configure:6198: checking termios vs. termio vs. sgtty" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_serial'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6167,7 +6203,7 @@ else
   tcl_cv_api_serial=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 6171 "configure"
+#line 6207 "configure"
 #include "confdefs.h"
 
 #include <termios.h>
@@ -6182,7 +6218,7 @@ int main() {
     return 1;
 }
 EOF
-if { (eval echo configure:6186: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6222: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=termios
 else
@@ -6199,7 +6235,7 @@ fi
   tcl_cv_api_serial=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 6203 "configure"
+#line 6239 "configure"
 #include "confdefs.h"
 
 #include <termio.h>
@@ -6213,7 +6249,7 @@ int main() {
     return 1;
 }
 EOF
-if { (eval echo configure:6217: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6253: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=termio
 else
@@ -6231,7 +6267,7 @@ fi
   tcl_cv_api_serial=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 6235 "configure"
+#line 6271 "configure"
 #include "confdefs.h"
 
 #include <sgtty.h>
@@ -6246,7 +6282,7 @@ int main() {
     return 1;
 }
 EOF
-if { (eval echo configure:6250: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6286: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=sgtty
 else
@@ -6264,7 +6300,7 @@ fi
   tcl_cv_api_serial=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 6268 "configure"
+#line 6304 "configure"
 #include "confdefs.h"
 
 #include <termios.h>
@@ -6281,7 +6317,7 @@ int main() {
     return 1;
 }
 EOF
-if { (eval echo configure:6285: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6321: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=termios
 else
@@ -6299,7 +6335,7 @@ fi
   tcl_cv_api_serial=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 6303 "configure"
+#line 6339 "configure"
 #include "confdefs.h"
 
 #include <termio.h>
@@ -6315,7 +6351,7 @@ int main() {
     return 1;
     }
 EOF
-if { (eval echo configure:6319: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6355: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=termio
 else
@@ -6333,7 +6369,7 @@ fi
   tcl_cv_api_serial=none
 else
   cat > conftest.$ac_ext <<EOF
-#line 6337 "configure"
+#line 6373 "configure"
 #include "confdefs.h"
 
 #include <sgtty.h>
@@ -6350,7 +6386,7 @@ int main() {
     return 1;
 }
 EOF
-if { (eval echo configure:6354: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6390: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=sgtty
 else
@@ -6393,20 +6429,20 @@ EOF
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for fd_set in sys/types""... $ac_c" 1>&6
-echo "configure:6397: checking for fd_set in sys/types" >&5
+echo "configure:6433: checking for fd_set in sys/types" >&5
 if eval "test \"`echo '$''{'tcl_cv_type_fd_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 6403 "configure"
+#line 6439 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int main() {
 fd_set readMask, writeMask;
 ; return 0; }
 EOF
-if { (eval echo configure:6410: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6446: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_type_fd_set=yes
 else
@@ -6422,13 +6458,13 @@ echo "$ac_t""$tcl_cv_type_fd_set" 1>&6
 tcl_ok=$tcl_cv_type_fd_set
 if test $tcl_ok = no; then
     echo $ac_n "checking for fd_mask in sys/select""... $ac_c" 1>&6
-echo "configure:6426: checking for fd_mask in sys/select" >&5
+echo "configure:6462: checking for fd_mask in sys/select" >&5
 if eval "test \"`echo '$''{'tcl_cv_grep_fd_mask'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 6432 "configure"
+#line 6468 "configure"
 #include "confdefs.h"
 #include <sys/select.h>
 EOF
@@ -6465,12 +6501,12 @@ fi
 #------------------------------------------------------------------------------
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:6469: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:6505: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6474 "configure"
+#line 6510 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -6478,7 +6514,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:6482: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6518: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -6503,17 +6539,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:6507: checking for $ac_hdr" >&5
+echo "configure:6543: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6512 "configure"
+#line 6548 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6517: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6553: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -6540,12 +6576,12 @@ fi
 done
 
     echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:6544: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:6580: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6549 "configure"
+#line 6585 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -6554,7 +6590,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:6558: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6594: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -6575,12 +6611,12 @@ EOF
 fi
 
     echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:6579: checking for tm_zone in struct tm" >&5
+echo "configure:6615: checking for tm_zone in struct tm" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6584 "configure"
+#line 6620 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -6588,7 +6624,7 @@ int main() {
 struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:6592: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6628: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm_zone=yes
 else
@@ -6608,12 +6644,12 @@ EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:6612: checking for tzname" >&5
+echo "configure:6648: checking for tzname" >&5
 if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6617 "configure"
+#line 6653 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -6623,7 +6659,7 @@ int main() {
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:6627: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6663: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -6648,12 +6684,12 @@ fi
     for ac_func in gmtime_r localtime_r
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6652: checking for $ac_func" >&5
+echo "configure:6688: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6657 "configure"
+#line 6693 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6676,7 +6712,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6680: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6716: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6702,20 +6738,20 @@ done
 
 
     echo $ac_n "checking tm_tzadj in struct tm""... $ac_c" 1>&6
-echo "configure:6706: checking tm_tzadj in struct tm" >&5
+echo "configure:6742: checking tm_tzadj in struct tm" >&5
 if eval "test \"`echo '$''{'tcl_cv_member_tm_tzadj'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 6712 "configure"
+#line 6748 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 struct tm tm; tm.tm_tzadj;
 ; return 0; }
 EOF
-if { (eval echo configure:6719: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6755: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_member_tm_tzadj=yes
 else
@@ -6736,20 +6772,20 @@ EOF
     fi
 
     echo $ac_n "checking tm_gmtoff in struct tm""... $ac_c" 1>&6
-echo "configure:6740: checking tm_gmtoff in struct tm" >&5
+echo "configure:6776: checking tm_gmtoff in struct tm" >&5
 if eval "test \"`echo '$''{'tcl_cv_member_tm_gmtoff'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 6746 "configure"
+#line 6782 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 struct tm tm; tm.tm_gmtoff;
 ; return 0; }
 EOF
-if { (eval echo configure:6753: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6789: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_member_tm_gmtoff=yes
 else
@@ -6774,13 +6810,13 @@ EOF
     # (like convex) have timezone functions, etc.
     #
     echo $ac_n "checking long timezone variable""... $ac_c" 1>&6
-echo "configure:6778: checking long timezone variable" >&5
+echo "configure:6814: checking long timezone variable" >&5
 if eval "test \"`echo '$''{'tcl_cv_timezone_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	cat > conftest.$ac_ext <<EOF
-#line 6784 "configure"
+#line 6820 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
@@ -6789,7 +6825,7 @@ extern long timezone;
 	    exit (0);
 ; return 0; }
 EOF
-if { (eval echo configure:6793: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6829: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_timezone_long=yes
 else
@@ -6812,13 +6848,13 @@ EOF
 	# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
 	#
 	echo $ac_n "checking time_t timezone variable""... $ac_c" 1>&6
-echo "configure:6816: checking time_t timezone variable" >&5
+echo "configure:6852: checking time_t timezone variable" >&5
 if eval "test \"`echo '$''{'tcl_cv_timezone_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 6822 "configure"
+#line 6858 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
@@ -6827,7 +6863,7 @@ extern time_t timezone;
 		exit (0);
 ; return 0; }
 EOF
-if { (eval echo configure:6831: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6867: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_timezone_time=yes
 else
@@ -6854,12 +6890,12 @@ EOF
 #	in struct stat.  But we might be able to use fstatfs instead.
 #--------------------------------------------------------------------
 echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
-echo "configure:6858: checking for st_blksize in struct stat" >&5
+echo "configure:6894: checking for st_blksize in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6863 "configure"
+#line 6899 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -6867,7 +6903,7 @@ int main() {
 struct stat s; s.st_blksize;
 ; return 0; }
 EOF
-if { (eval echo configure:6871: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6907: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blksize=yes
 else
@@ -6888,12 +6924,12 @@ EOF
 fi
 
 echo $ac_n "checking for fstatfs""... $ac_c" 1>&6
-echo "configure:6892: checking for fstatfs" >&5
+echo "configure:6928: checking for fstatfs" >&5
 if eval "test \"`echo '$''{'ac_cv_func_fstatfs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6897 "configure"
+#line 6933 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char fstatfs(); below.  */
@@ -6916,7 +6952,7 @@ fstatfs();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6920: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6956: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_fstatfs=yes"
 else
@@ -6945,7 +6981,7 @@ fi
 #       data, this checks it and add memcmp.o to LIBOBJS if needed
 #--------------------------------------------------------------------
 echo $ac_n "checking for 8-bit clean memcmp""... $ac_c" 1>&6
-echo "configure:6949: checking for 8-bit clean memcmp" >&5
+echo "configure:6985: checking for 8-bit clean memcmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_memcmp_clean'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6953,7 +6989,7 @@ else
   ac_cv_func_memcmp_clean=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 6957 "configure"
+#line 6993 "configure"
 #include "confdefs.h"
 
 main()
@@ -6963,7 +6999,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:6967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7003: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_memcmp_clean=yes
 else
@@ -6987,12 +7023,12 @@ test $ac_cv_func_memcmp_clean = no && LIBOBJS="$LIBOBJS memcmp.${ac_objext}"
 #       {The replacement define is in compat/string.h}
 #--------------------------------------------------------------------
 echo $ac_n "checking for memmove""... $ac_c" 1>&6
-echo "configure:6991: checking for memmove" >&5
+echo "configure:7027: checking for memmove" >&5
 if eval "test \"`echo '$''{'ac_cv_func_memmove'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6996 "configure"
+#line 7032 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char memmove(); below.  */
@@ -7015,7 +7051,7 @@ memmove();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7019: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7055: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_memmove=yes"
 else
@@ -7048,7 +7084,7 @@ fi
 #--------------------------------------------------------------------
 if test "x${ac_cv_func_strstr}" = "xyes"; then
     echo $ac_n "checking proper strstr implementation""... $ac_c" 1>&6
-echo "configure:7052: checking proper strstr implementation" >&5
+echo "configure:7088: checking proper strstr implementation" >&5
 if eval "test \"`echo '$''{'tcl_cv_strstr_unbroken'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7057,7 +7093,7 @@ else
   tcl_cv_strstr_unbroken=broken
 else
   cat > conftest.$ac_ext <<EOF
-#line 7061 "configure"
+#line 7097 "configure"
 #include "confdefs.h"
 
 	extern int strstr();
@@ -7066,7 +7102,7 @@ else
 	    exit(strstr("\0test", "test") ? 1 : 0);
 	}
 EOF
-if { (eval echo configure:7070: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7106: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_strstr_unbroken=ok
 else
@@ -7093,12 +7129,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for strtoul""... $ac_c" 1>&6
-echo "configure:7097: checking for strtoul" >&5
+echo "configure:7133: checking for strtoul" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtoul'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7102 "configure"
+#line 7138 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtoul(); below.  */
@@ -7121,7 +7157,7 @@ strtoul();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7125: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7161: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strtoul=yes"
 else
@@ -7143,7 +7179,7 @@ fi
 
 if test $tcl_ok = 1; then
     echo $ac_n "checking proper strtoul implementation""... $ac_c" 1>&6
-echo "configure:7147: checking proper strtoul implementation" >&5
+echo "configure:7183: checking proper strtoul implementation" >&5
 if eval "test \"`echo '$''{'tcl_cv_strtoul_unbroken'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7152,7 +7188,7 @@ else
   tcl_cv_strtoul_unbroken=broken
 else
   cat > conftest.$ac_ext <<EOF
-#line 7156 "configure"
+#line 7192 "configure"
 #include "confdefs.h"
 
 	extern int strtoul();
@@ -7168,7 +7204,7 @@ else
 	    exit(0);
 	}
 EOF
-if { (eval echo configure:7172: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7208: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_strtoul_unbroken=ok 
 else
@@ -7197,12 +7233,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for strtod""... $ac_c" 1>&6
-echo "configure:7201: checking for strtod" >&5
+echo "configure:7237: checking for strtod" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7206 "configure"
+#line 7242 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtod(); below.  */
@@ -7225,7 +7261,7 @@ strtod();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7229: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7265: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strtod=yes"
 else
@@ -7247,7 +7283,7 @@ fi
 
 if test $tcl_ok = 1; then
     echo $ac_n "checking proper strtod implementation""... $ac_c" 1>&6
-echo "configure:7251: checking proper strtod implementation" >&5
+echo "configure:7287: checking proper strtod implementation" >&5
 if eval "test \"`echo '$''{'tcl_cv_strtod_unbroken'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7256,7 +7292,7 @@ else
   tcl_cv_strtod_unbroken=broken
 else
   cat > conftest.$ac_ext <<EOF
-#line 7260 "configure"
+#line 7296 "configure"
 #include "confdefs.h"
 
 	extern double strtod();
@@ -7272,7 +7308,7 @@ else
 	    exit(0);
 	}
 EOF
-if { (eval echo configure:7276: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7312: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_strtod_unbroken=ok 
 else
@@ -7304,12 +7340,12 @@ fi
 
 
     echo $ac_n "checking for strtod""... $ac_c" 1>&6
-echo "configure:7308: checking for strtod" >&5
+echo "configure:7344: checking for strtod" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7313 "configure"
+#line 7349 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtod(); below.  */
@@ -7332,7 +7368,7 @@ strtod();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7336: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7372: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strtod=yes"
 else
@@ -7354,7 +7390,7 @@ fi
 
     if test "$tcl_strtod" = 1; then
 	echo $ac_n "checking for Solaris2.4/Tru64 strtod bugs""... $ac_c" 1>&6
-echo "configure:7358: checking for Solaris2.4/Tru64 strtod bugs" >&5
+echo "configure:7394: checking for Solaris2.4/Tru64 strtod bugs" >&5
 if eval "test \"`echo '$''{'tcl_cv_strtod_buggy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7363,7 +7399,7 @@ else
   tcl_cv_strtod_buggy=buggy
 else
   cat > conftest.$ac_ext <<EOF
-#line 7367 "configure"
+#line 7403 "configure"
 #include "confdefs.h"
 
 		extern double strtod();
@@ -7386,7 +7422,7 @@ else
 		    exit(0);
 		}
 EOF
-if { (eval echo configure:7390: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7426: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_strtod_buggy=ok
 else
@@ -7417,12 +7453,12 @@ EOF
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:7421: checking for ANSI C header files" >&5
+echo "configure:7457: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7426 "configure"
+#line 7462 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -7430,7 +7466,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7434: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7470: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7447,7 +7483,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 7451 "configure"
+#line 7487 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -7465,7 +7501,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 7469 "configure"
+#line 7505 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -7486,7 +7522,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 7490 "configure"
+#line 7526 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -7497,7 +7533,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:7501: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7537: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -7521,12 +7557,12 @@ EOF
 fi
 
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:7525: checking for mode_t" >&5
+echo "configure:7561: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7530 "configure"
+#line 7566 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -7554,12 +7590,12 @@ EOF
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:7558: checking for pid_t" >&5
+echo "configure:7594: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7563 "configure"
+#line 7599 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -7587,12 +7623,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:7591: checking for size_t" >&5
+echo "configure:7627: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7596 "configure"
+#line 7632 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -7620,12 +7656,12 @@ EOF
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:7624: checking for uid_t in sys/types.h" >&5
+echo "configure:7660: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7629 "configure"
+#line 7665 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -7655,13 +7691,13 @@ fi
 
 
 echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
-echo "configure:7659: checking for socklen_t" >&5
+echo "configure:7695: checking for socklen_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 7665 "configure"
+#line 7701 "configure"
 #include "confdefs.h"
 
     #include <sys/types.h>
@@ -7700,12 +7736,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for opendir""... $ac_c" 1>&6
-echo "configure:7704: checking for opendir" >&5
+echo "configure:7740: checking for opendir" >&5
 if eval "test \"`echo '$''{'ac_cv_func_opendir'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7709 "configure"
+#line 7745 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char opendir(); below.  */
@@ -7728,7 +7764,7 @@ opendir();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7732: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7768: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_opendir=yes"
 else
@@ -7761,13 +7797,13 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking union wait""... $ac_c" 1>&6
-echo "configure:7765: checking union wait" >&5
+echo "configure:7801: checking union wait" >&5
 if eval "test \"`echo '$''{'tcl_cv_union_wait'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 7771 "configure"
+#line 7807 "configure"
 #include "confdefs.h"
 #include <sys/types.h> 
 #include <sys/wait.h>
@@ -7779,7 +7815,7 @@ WIFEXITED(x);		/* Generates compiler error if WIFEXITED
     
 ; return 0; }
 EOF
-if { (eval echo configure:7783: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7819: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_union_wait=yes
 else
@@ -7806,12 +7842,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for strncasecmp""... $ac_c" 1>&6
-echo "configure:7810: checking for strncasecmp" >&5
+echo "configure:7846: checking for strncasecmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strncasecmp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7815 "configure"
+#line 7851 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strncasecmp(); below.  */
@@ -7834,7 +7870,7 @@ strncasecmp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7874: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strncasecmp=yes"
 else
@@ -7856,7 +7892,7 @@ fi
 
 if test "$tcl_ok" = 0; then
     echo $ac_n "checking for strncasecmp in -lsocket""... $ac_c" 1>&6
-echo "configure:7860: checking for strncasecmp in -lsocket" >&5
+echo "configure:7896: checking for strncasecmp in -lsocket" >&5
 ac_lib_var=`echo socket'_'strncasecmp | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7864,7 +7900,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7868 "configure"
+#line 7904 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7875,7 +7911,7 @@ int main() {
 strncasecmp()
 ; return 0; }
 EOF
-if { (eval echo configure:7879: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7915: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7899,7 +7935,7 @@ fi
 fi
 if test "$tcl_ok" = 0; then
     echo $ac_n "checking for strncasecmp in -linet""... $ac_c" 1>&6
-echo "configure:7903: checking for strncasecmp in -linet" >&5
+echo "configure:7939: checking for strncasecmp in -linet" >&5
 ac_lib_var=`echo inet'_'strncasecmp | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7907,7 +7943,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-linet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7911 "configure"
+#line 7947 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7918,7 +7954,7 @@ int main() {
 strncasecmp()
 ; return 0; }
 EOF
-if { (eval echo configure:7922: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7958: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7956,12 +7992,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for BSDgettimeofday""... $ac_c" 1>&6
-echo "configure:7960: checking for BSDgettimeofday" >&5
+echo "configure:7996: checking for BSDgettimeofday" >&5
 if eval "test \"`echo '$''{'ac_cv_func_BSDgettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7965 "configure"
+#line 8001 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char BSDgettimeofday(); below.  */
@@ -7984,7 +8020,7 @@ BSDgettimeofday();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7988: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8024: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_BSDgettimeofday=yes"
 else
@@ -8006,12 +8042,12 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for gettimeofday""... $ac_c" 1>&6
-echo "configure:8010: checking for gettimeofday" >&5
+echo "configure:8046: checking for gettimeofday" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8015 "configure"
+#line 8051 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gettimeofday(); below.  */
@@ -8034,7 +8070,7 @@ gettimeofday();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8038: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8074: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gettimeofday=yes"
 else
@@ -8061,13 +8097,13 @@ fi
 fi
 
 echo $ac_n "checking for gettimeofday declaration""... $ac_c" 1>&6
-echo "configure:8065: checking for gettimeofday declaration" >&5
+echo "configure:8101: checking for gettimeofday declaration" >&5
 if eval "test \"`echo '$''{'tcl_cv_grep_gettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 8071 "configure"
+#line 8107 "configure"
 #include "confdefs.h"
 #include <sys/time.h>
 EOF
@@ -8098,14 +8134,14 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:8102: checking whether char is unsigned" >&5
+echo "configure:8138: checking whether char is unsigned" >&5
 if eval "test \"`echo '$''{'ac_cv_c_char_unsigned'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$GCC" = yes; then
   # GCC predefines this symbol on systems where it applies.
 cat > conftest.$ac_ext <<EOF
-#line 8109 "configure"
+#line 8145 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -8127,7 +8163,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 8131 "configure"
+#line 8167 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -8137,7 +8173,7 @@ main() {
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:8141: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:8177: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_char_unsigned=yes
 else
@@ -8161,13 +8197,13 @@ EOF
 fi
 
 echo $ac_n "checking signed char declarations""... $ac_c" 1>&6
-echo "configure:8165: checking signed char declarations" >&5
+echo "configure:8201: checking signed char declarations" >&5
 if eval "test \"`echo '$''{'tcl_cv_char_signed'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 8171 "configure"
+#line 8207 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -8177,7 +8213,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:8181: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8217: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_char_signed=yes
 else
@@ -8202,7 +8238,7 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for a putenv() that copies the buffer""... $ac_c" 1>&6
-echo "configure:8206: checking for a putenv() that copies the buffer" >&5
+echo "configure:8242: checking for a putenv() that copies the buffer" >&5
 if eval "test \"`echo '$''{'tcl_cv_putenv_copy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8211,7 +8247,7 @@ else
   tcl_cv_putenv_copy=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 8215 "configure"
+#line 8251 "configure"
 #include "confdefs.h"
 
 	#include <stdlib.h>
@@ -8233,7 +8269,7 @@ else
 	}
     
 EOF
-if { (eval echo configure:8237: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:8273: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_putenv_copy=no
 else
@@ -8273,17 +8309,17 @@ fi
     if test "$langinfo_ok" = "yes"; then
 	ac_safe=`echo "langinfo.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for langinfo.h""... $ac_c" 1>&6
-echo "configure:8277: checking for langinfo.h" >&5
+echo "configure:8313: checking for langinfo.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8282 "configure"
+#line 8318 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8287: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8323: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -8307,21 +8343,21 @@ fi
 
     fi
     echo $ac_n "checking whether to use nl_langinfo""... $ac_c" 1>&6
-echo "configure:8311: checking whether to use nl_langinfo" >&5
+echo "configure:8347: checking whether to use nl_langinfo" >&5
     if test "$langinfo_ok" = "yes"; then
 	if eval "test \"`echo '$''{'tcl_cv_langinfo_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 8318 "configure"
+#line 8354 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 int main() {
 nl_langinfo(CODESET);
 ; return 0; }
 EOF
-if { (eval echo configure:8325: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8361: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_langinfo_h=yes
 else
@@ -8354,17 +8390,17 @@ if test "`uname -s`" = "Darwin" ; then
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:8358: checking for $ac_hdr" >&5
+echo "configure:8394: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8363 "configure"
+#line 8399 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8368: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8404: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -8393,12 +8429,12 @@ done
     for ac_func in copyfile
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8397: checking for $ac_func" >&5
+echo "configure:8433: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8402 "configure"
+#line 8438 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8421,7 +8457,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8425: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8461: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8450,17 +8486,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:8454: checking for $ac_hdr" >&5
+echo "configure:8490: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8459 "configure"
+#line 8495 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8464: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8500: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -8489,12 +8525,12 @@ done
 	for ac_func in OSSpinLockLock
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8493: checking for $ac_func" >&5
+echo "configure:8529: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8498 "configure"
+#line 8534 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8517,7 +8553,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8521: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8557: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8544,12 +8580,12 @@ done
 	for ac_func in pthread_atfork
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8548: checking for $ac_func" >&5
+echo "configure:8584: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8553 "configure"
+#line 8589 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8572,7 +8608,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8576: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8612: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8613,17 +8649,17 @@ EOF
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:8617: checking for $ac_hdr" >&5
+echo "configure:8653: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8622 "configure"
+#line 8658 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8627: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8663: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -8651,14 +8687,14 @@ done
 
     if test "$ac_cv_header_AvailabilityMacros_h" = yes; then
 	echo $ac_n "checking if weak import is available""... $ac_c" 1>&6
-echo "configure:8655: checking if weak import is available" >&5
+echo "configure:8691: checking if weak import is available" >&5
 if eval "test \"`echo '$''{'tcl_cv_cc_weak_import'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
 	    cat > conftest.$ac_ext <<EOF
-#line 8662 "configure"
+#line 8698 "configure"
 #include "confdefs.h"
 
 		    #ifdef __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
@@ -8674,7 +8710,7 @@ int main() {
 rand();
 ; return 0; }
 EOF
-if { (eval echo configure:8678: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8714: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_cc_weak_import=yes
 else
@@ -8702,13 +8738,13 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for fts""... $ac_c" 1>&6
-echo "configure:8706: checking for fts" >&5
+echo "configure:8742: checking for fts" >&5
 if eval "test \"`echo '$''{'tcl_cv_api_fts'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     cat > conftest.$ac_ext <<EOF
-#line 8712 "configure"
+#line 8748 "configure"
 #include "confdefs.h"
 
 	    #include <sys/param.h>
@@ -8723,7 +8759,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:8727: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8763: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_api_fts=yes
 else
@@ -8755,17 +8791,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:8759: checking for $ac_hdr" >&5
+echo "configure:8795: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8764 "configure"
+#line 8800 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8769: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8805: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -8795,17 +8831,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:8799: checking for $ac_hdr" >&5
+echo "configure:8835: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8804 "configure"
+#line 8840 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8809: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8845: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -8833,7 +8869,7 @@ done
 
     
     echo $ac_n "checking system version""... $ac_c" 1>&6
-echo "configure:8837: checking system version" >&5
+echo "configure:8873: checking system version" >&5
 if eval "test \"`echo '$''{'tcl_cv_sys_version'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8864,7 +8900,7 @@ echo "$ac_t""$tcl_cv_sys_version" 1>&6
     system=$tcl_cv_sys_version
 
     echo $ac_n "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O""... $ac_c" 1>&6
-echo "configure:8868: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
+echo "configure:8904: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
     case $system in
 	# There used to be code here to use FIONBIO under AIX.  However, it
 	# was reported that FIONBIO doesn't work under AIX 3.2.5.  Since
@@ -8927,7 +8963,7 @@ if test "`uname -s`" = "Darwin" ; then
     
     if test "`uname -s`" = "Darwin" ; then
 	echo $ac_n "checking how to package libraries""... $ac_c" 1>&6
-echo "configure:8931: checking how to package libraries" >&5
+echo "configure:8967: checking how to package libraries" >&5
 	# Check whether --enable-framework or --disable-framework was given.
 if test "${enable_framework+set}" = set; then
   enableval="$enable_framework"
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 8c122b3..f3d9f1b 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -311,6 +311,7 @@ AC_DEFUN([SC_LOAD_TCLCONFIG], [
     eval "TCL_STUB_LIB_SPEC=\"${TCL_STUB_LIB_SPEC}\""
 
     AC_SUBST(TCL_VERSION)
+    AC_SUBST(TCL_PATCH_LEVEL)
     AC_SUBST(TCL_BIN_DIR)
     AC_SUBST(TCL_SRC_DIR)
 
@@ -1340,7 +1341,7 @@ dnl AC_CHECK_TOOL(AR, ar)
 	    #CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
 
 	    if test "$have_dl" = yes; then
-		SHLIB_LD="${CC} -shared"
+		SHLIB_LD='${CC} -shared ${CFLAGS} ${LDFLAGS}'
 		DL_OBJS="tclLoadDl.o"
 		DL_LIBS="-ldl"
 		LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
@@ -1357,6 +1358,17 @@ dnl AC_CHECK_TOOL(AR, ar)
 	    if test "`uname -m`" = "alpha" ; then
 		CFLAGS="$CFLAGS -mieee"
 	    fi
+	    if test $do64bit = yes; then
+		AC_CACHE_CHECK([if compiler accepts -m64 flag], tcl_cv_cc_m64, [
+		    hold_cflags=$CFLAGS
+		    CFLAGS="$CFLAGS -m64"
+		    AC_TRY_LINK(,, tcl_cv_cc_m64=yes, tcl_cv_cc_m64=no)
+		    CFLAGS=$hold_cflags])
+		if test $tcl_cv_cc_m64 = yes; then
+		    CFLAGS="$CFLAGS -m64"
+		    do64bit_ok=yes
+		fi
+	    fi
 
 	    # The combo of gcc + glibc has a bug related
 	    # to inlining of functions like strtod(). The
-- 
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