* unix/tcl.m4 (SC_BUGGY_STRTOD): Solaris 2.8 still has a buggy

	strtod() implementation; make sure we detect it.

2 files changed, 149 insertions, 143 deletions

diff --git a/unix/configure b/unix/configure
index 22dac58..32b3e3c 100755
--- a/unix/configure
+++ b/unix/configure
@@ -3885,13 +3885,16 @@ else
 #include "confdefs.h"
 
 	    extern double strtod();
-	    int main()
-	    {
-		char *string = "NaN", *spaceString = " ";
+	    int main() {
+		char *infString="Inf", *nanString="NaN", *spaceString=" ";
 		char *term;
 		double value;
-		value = strtod(string, &term);
-		if ((term != string) && (term[-1] == 0)) {
+		value = strtod(infString, &term);
+		if ((term != infString) && (term[-1] == 0)) {
+		    exit(1);
+		}
+		value = strtod(nanString, &term);
+		if ((term != nanString) && (term[-1] == 0)) {
 		    exit(1);
 		}
 		value = strtod(spaceString, &term);
@@ -3901,7 +3904,7 @@ else
 		exit(0);
 	    }
 EOF
-if { (eval echo configure:3905: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3908: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_ok=1
 else
@@ -3932,12 +3935,12 @@ EOF
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:3936: checking for ANSI C header files" >&5
+echo "configure:3939: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3941 "configure"
+#line 3944 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -3945,7 +3948,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3949: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3952: \"$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*
@@ -3962,7 +3965,7 @@ 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 3966 "configure"
+#line 3969 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -3980,7 +3983,7 @@ 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 3984 "configure"
+#line 3987 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -4001,7 +4004,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 4005 "configure"
+#line 4008 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -4012,7 +4015,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:4016: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4019: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -4036,12 +4039,12 @@ EOF
 fi
 
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:4040: checking for mode_t" >&5
+echo "configure:4043: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4045 "configure"
+#line 4048 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4069,12 +4072,12 @@ EOF
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:4073: checking for pid_t" >&5
+echo "configure:4076: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4078 "configure"
+#line 4081 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4102,12 +4105,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:4106: checking for size_t" >&5
+echo "configure:4109: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4111 "configure"
+#line 4114 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4135,12 +4138,12 @@ EOF
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:4139: checking for uid_t in sys/types.h" >&5
+echo "configure:4142: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4144 "configure"
+#line 4147 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -4170,12 +4173,12 @@ fi
 
 
 echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
-echo "configure:4174: checking for socklen_t" >&5
+echo "configure:4177: checking for socklen_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4179 "configure"
+#line 4182 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -4213,12 +4216,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for opendir""... $ac_c" 1>&6
-echo "configure:4217: checking for opendir" >&5
+echo "configure:4220: checking for opendir" >&5
 if eval "test \"`echo '$''{'ac_cv_func_opendir'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4222 "configure"
+#line 4225 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char opendir(); below.  */
@@ -4241,7 +4244,7 @@ opendir();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4245: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4248: \"$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
@@ -4274,12 +4277,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking union wait""... $ac_c" 1>&6
-echo "configure:4278: checking union wait" >&5
+echo "configure:4281: checking union wait" >&5
 if eval "test \"`echo '$''{'tcl_cv_union_wait'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4283 "configure"
+#line 4286 "configure"
 #include "confdefs.h"
 #include <sys/types.h> 
 #include <sys/wait.h>
@@ -4291,7 +4294,7 @@ WIFEXITED(x);		/* Generates compiler error if WIFEXITED
     
 ; return 0; }
 EOF
-if { (eval echo configure:4295: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4298: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_union_wait=yes
 else
@@ -4318,12 +4321,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for strncasecmp""... $ac_c" 1>&6
-echo "configure:4322: checking for strncasecmp" >&5
+echo "configure:4325: checking for strncasecmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strncasecmp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4327 "configure"
+#line 4330 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strncasecmp(); below.  */
@@ -4346,7 +4349,7 @@ strncasecmp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4350: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4353: \"$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
@@ -4368,7 +4371,7 @@ fi
 
 if test "$tcl_ok" = 0; then
     echo $ac_n "checking for strncasecmp in -lsocket""... $ac_c" 1>&6
-echo "configure:4372: checking for strncasecmp in -lsocket" >&5
+echo "configure:4375: checking for strncasecmp in -lsocket" >&5
 ac_lib_var=`echo socket'_'strncasecmp | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4376,7 +4379,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4380 "configure"
+#line 4383 "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
@@ -4387,7 +4390,7 @@ int main() {
 strncasecmp()
 ; return 0; }
 EOF
-if { (eval echo configure:4391: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4394: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4411,7 +4414,7 @@ fi
 fi
 if test "$tcl_ok" = 0; then
     echo $ac_n "checking for strncasecmp in -linet""... $ac_c" 1>&6
-echo "configure:4415: checking for strncasecmp in -linet" >&5
+echo "configure:4418: checking for strncasecmp in -linet" >&5
 ac_lib_var=`echo inet'_'strncasecmp | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4419,7 +4422,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-linet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4423 "configure"
+#line 4426 "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
@@ -4430,7 +4433,7 @@ int main() {
 strncasecmp()
 ; return 0; }
 EOF
-if { (eval echo configure:4434: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4437: \"$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
@@ -4468,12 +4471,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for BSDgettimeofday""... $ac_c" 1>&6
-echo "configure:4472: checking for BSDgettimeofday" >&5
+echo "configure:4475: checking for BSDgettimeofday" >&5
 if eval "test \"`echo '$''{'ac_cv_func_BSDgettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4477 "configure"
+#line 4480 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char BSDgettimeofday(); below.  */
@@ -4496,7 +4499,7 @@ BSDgettimeofday();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4500: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4503: \"$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
@@ -4518,12 +4521,12 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for gettimeofday""... $ac_c" 1>&6
-echo "configure:4522: checking for gettimeofday" >&5
+echo "configure:4525: checking for gettimeofday" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4527 "configure"
+#line 4530 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gettimeofday(); below.  */
@@ -4546,7 +4549,7 @@ gettimeofday();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4550: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4553: \"$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
@@ -4573,12 +4576,12 @@ fi
 fi
 
 echo $ac_n "checking for gettimeofday declaration""... $ac_c" 1>&6
-echo "configure:4577: checking for gettimeofday declaration" >&5
+echo "configure:4580: checking for gettimeofday declaration" >&5
 if eval "test \"`echo '$''{'tcl_cv_grep_gettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4582 "configure"
+#line 4585 "configure"
 #include "confdefs.h"
 #include <sys/time.h>
 EOF
@@ -4609,14 +4612,14 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:4613: checking whether char is unsigned" >&5
+echo "configure:4616: checking whether char is unsigned" >&5
 if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 4620 "configure"
+#line 4623 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -4638,7 +4641,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4642 "configure"
+#line 4645 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -4648,7 +4651,7 @@ main() {
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:4652: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4655: \"$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
@@ -4672,12 +4675,12 @@ EOF
 fi
 
 echo $ac_n "checking signed char declarations""... $ac_c" 1>&6
-echo "configure:4676: checking signed char declarations" >&5
+echo "configure:4679: checking signed char declarations" >&5
 if eval "test \"`echo '$''{'tcl_cv_char_signed'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4681 "configure"
+#line 4684 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4687,7 +4690,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:4691: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4694: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_char_signed=yes
 else
@@ -4726,17 +4729,17 @@ fi
 	if test "$langinfo_ok" = "yes"; then
 	    ac_safe=`echo "langinfo.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for langinfo.h""... $ac_c" 1>&6
-echo "configure:4730: checking for langinfo.h" >&5
+echo "configure:4733: checking for langinfo.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4735 "configure"
+#line 4738 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4740: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4743: \"$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*
@@ -4761,17 +4764,17 @@ fi
 	fi
     fi
     echo $ac_n "checking whether to use nl_langinfo""... $ac_c" 1>&6
-echo "configure:4765: checking whether to use nl_langinfo" >&5
+echo "configure:4768: checking whether to use nl_langinfo" >&5
     if test "$langinfo_ok" = "yes"; then
 	cat > conftest.$ac_ext <<EOF
-#line 4768 "configure"
+#line 4771 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 int main() {
 nl_langinfo(CODESET);
 ; return 0; }
 EOF
-if { (eval echo configure:4775: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4778: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   langinfo_ok=yes
 else
@@ -4807,12 +4810,12 @@ EOF
     #--------------------------------------------------------------------
 
     echo $ac_n "checking for sin""... $ac_c" 1>&6
-echo "configure:4811: checking for sin" >&5
+echo "configure:4814: checking for sin" >&5
 if eval "test \"`echo '$''{'ac_cv_func_sin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4816 "configure"
+#line 4819 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char sin(); below.  */
@@ -4835,7 +4838,7 @@ sin();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4839: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4842: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_sin=yes"
 else
@@ -4856,7 +4859,7 @@ MATH_LIBS="-lm"
 fi
 
     echo $ac_n "checking for main in -lieee""... $ac_c" 1>&6
-echo "configure:4860: checking for main in -lieee" >&5
+echo "configure:4863: checking for main in -lieee" >&5
 ac_lib_var=`echo ieee'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4864,14 +4867,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lieee  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4868 "configure"
+#line 4871 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4875: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4878: \"$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
@@ -4898,7 +4901,7 @@ fi
     #--------------------------------------------------------------------
 
     echo $ac_n "checking for main in -linet""... $ac_c" 1>&6
-echo "configure:4902: checking for main in -linet" >&5
+echo "configure:4905: checking for main in -linet" >&5
 ac_lib_var=`echo inet'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4906,14 +4909,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-linet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4910 "configure"
+#line 4913 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4917: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4920: \"$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
@@ -4935,17 +4938,17 @@ fi
 
     ac_safe=`echo "net/errno.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for net/errno.h""... $ac_c" 1>&6
-echo "configure:4939: checking for net/errno.h" >&5
+echo "configure:4942: checking for net/errno.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4944 "configure"
+#line 4947 "configure"
 #include "confdefs.h"
 #include <net/errno.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4949: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4952: \"$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*
@@ -4990,12 +4993,12 @@ fi
 
     tcl_checkBoth=0
     echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:4994: checking for connect" >&5
+echo "configure:4997: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4999 "configure"
+#line 5002 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -5018,7 +5021,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5022: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5025: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_connect=yes"
 else
@@ -5040,12 +5043,12 @@ fi
 
     if test "$tcl_checkSocket" = 1; then
 	echo $ac_n "checking for setsockopt""... $ac_c" 1>&6
-echo "configure:5044: checking for setsockopt" >&5
+echo "configure:5047: checking for setsockopt" >&5
 if eval "test \"`echo '$''{'ac_cv_func_setsockopt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5049 "configure"
+#line 5052 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char setsockopt(); below.  */
@@ -5068,7 +5071,7 @@ setsockopt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5072: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5075: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_setsockopt=yes"
 else
@@ -5086,7 +5089,7 @@ if eval "test \"`echo '$ac_cv_func_'setsockopt`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for setsockopt in -lsocket""... $ac_c" 1>&6
-echo "configure:5090: checking for setsockopt in -lsocket" >&5
+echo "configure:5093: checking for setsockopt in -lsocket" >&5
 ac_lib_var=`echo socket'_'setsockopt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5094,7 +5097,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5098 "configure"
+#line 5101 "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
@@ -5105,7 +5108,7 @@ int main() {
 setsockopt()
 ; return 0; }
 EOF
-if { (eval echo configure:5109: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5112: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5133,12 +5136,12 @@ fi
 	tk_oldLibs=$LIBS
 	LIBS="$LIBS -lsocket -lnsl"
 	echo $ac_n "checking for accept""... $ac_c" 1>&6
-echo "configure:5137: checking for accept" >&5
+echo "configure:5140: checking for accept" >&5
 if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5142 "configure"
+#line 5145 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char accept(); below.  */
@@ -5161,7 +5164,7 @@ accept();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5165: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5168: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_accept=yes"
 else
@@ -5183,12 +5186,12 @@ fi
 
     fi
     echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:5187: checking for gethostbyname" >&5
+echo "configure:5190: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5192 "configure"
+#line 5195 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -5211,7 +5214,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5215: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5218: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -5229,7 +5232,7 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:5233: checking for gethostbyname in -lnsl" >&5
+echo "configure:5236: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5237,7 +5240,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5241 "configure"
+#line 5244 "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
@@ -5248,7 +5251,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:5252: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5255: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5285,7 +5288,7 @@ LIBS="$LIBS$THREADS_LIBS"
 
 
     echo $ac_n "checking how to build libraries""... $ac_c" 1>&6
-echo "configure:5289: checking how to build libraries" >&5
+echo "configure:5292: checking how to build libraries" >&5
     # Check whether --enable-shared or --disable-shared was given.
 if test "${enable_shared+set}" = set; then
   enableval="$enable_shared"
@@ -5324,7 +5327,7 @@ EOF
 # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5328: checking for $ac_word" >&5
+echo "configure:5331: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5356,7 +5359,7 @@ fi
     # Step 0.a: Enable 64 bit support?
 
     echo $ac_n "checking if 64bit support is requested""... $ac_c" 1>&6
-echo "configure:5360: checking if 64bit support is requested" >&5
+echo "configure:5363: checking if 64bit support is requested" >&5
     # Check whether --enable-64bit or --disable-64bit was given.
 if test "${enable_64bit+set}" = set; then
   enableval="$enable_64bit"
@@ -5376,7 +5379,7 @@ fi
     # Step 0.b: Enable Solaris 64 bit VIS support?
 
     echo $ac_n "checking if 64bit Sparc VIS support is requested""... $ac_c" 1>&6
-echo "configure:5380: checking if 64bit Sparc VIS support is requested" >&5
+echo "configure:5383: checking if 64bit Sparc VIS support is requested" >&5
     # Check whether --enable-64bit-vis or --disable-64bit-vis was given.
 if test "${enable_64bit_vis+set}" = set; then
   enableval="$enable_64bit_vis"
@@ -5400,7 +5403,7 @@ fi
     # there are a few systems, like Next, where this doesn't work.
 
     echo $ac_n "checking system version (for dynamic loading)""... $ac_c" 1>&6
-echo "configure:5404: checking system version (for dynamic loading)" >&5
+echo "configure:5407: checking system version (for dynamic loading)" >&5
     if test -f /usr/lib/NextStep/software_version; then
 	system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
     else
@@ -5426,7 +5429,7 @@ echo "configure:5404: checking system version (for dynamic loading)" >&5
     # Linux can use either -ldl or -ldld for dynamic loading.
 
     echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:5430: checking for dlopen in -ldl" >&5
+echo "configure:5433: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5434,7 +5437,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5438 "configure"
+#line 5441 "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
@@ -5445,7 +5448,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:5449: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5452: \"$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
@@ -5489,7 +5492,7 @@ fi
     # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5493: checking for $ac_word" >&5
+echo "configure:5496: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5598,7 +5601,7 @@ fi
 	    # known GMT value.
 
 	    echo $ac_n "checking for gettimeofday in -lbsd""... $ac_c" 1>&6
-echo "configure:5602: checking for gettimeofday in -lbsd" >&5
+echo "configure:5605: checking for gettimeofday in -lbsd" >&5
 ac_lib_var=`echo bsd'_'gettimeofday | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5606,7 +5609,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5610 "configure"
+#line 5613 "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
@@ -5617,7 +5620,7 @@ int main() {
 gettimeofday()
 ; return 0; }
 EOF
-if { (eval echo configure:5621: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5624: \"$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
@@ -5699,7 +5702,7 @@ EOF
 
 	    SHLIB_SUFFIX=".sl"
 	    echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:5703: checking for shl_load in -ldld" >&5
+echo "configure:5706: checking for shl_load in -ldld" >&5
 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5707,7 +5710,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5711 "configure"
+#line 5714 "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
@@ -5718,7 +5721,7 @@ int main() {
 shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:5722: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5725: \"$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
@@ -5764,7 +5767,7 @@ fi
 	HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
 	    SHLIB_SUFFIX=".sl"
 	    echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:5768: checking for shl_load in -ldld" >&5
+echo "configure:5771: checking for shl_load in -ldld" >&5
 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5772,7 +5775,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5776 "configure"
+#line 5779 "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
@@ -5783,7 +5786,7 @@ int main() {
 shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:5787: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5790: \"$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
@@ -5910,17 +5913,17 @@ fi
 	    else
 		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dld.h""... $ac_c" 1>&6
-echo "configure:5914: checking for dld.h" >&5
+echo "configure:5917: checking for dld.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5919 "configure"
+#line 5922 "configure"
 #include "confdefs.h"
 #include <dld.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5924: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5927: \"$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*
@@ -5979,17 +5982,17 @@ fi
 	    else
 		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dld.h""... $ac_c" 1>&6
-echo "configure:5983: checking for dld.h" >&5
+echo "configure:5986: checking for dld.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5988 "configure"
+#line 5991 "configure"
 #include "confdefs.h"
 #include <dld.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5993: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5996: \"$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*
@@ -6047,17 +6050,17 @@ 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""... $ac_c" 1>&6
-echo "configure:6051: checking for dlfcn.h" >&5
+echo "configure:6054: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6056 "configure"
+#line 6059 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6061: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6064: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -6085,9 +6088,9 @@ if eval "test \"`echo '$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""... $ac_c" 1>&6
-echo "configure:6089: checking for ELF" >&5
+echo "configure:6092: checking for ELF" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 6091 "configure"
+#line 6094 "configure"
 #include "confdefs.h"
 
 #ifdef __ELF__
@@ -6437,17 +6440,17 @@ EOF
 	    # that don't grok the -Bexport option.  Test that it does.
 	    hold_ldflags=$LDFLAGS
 	    echo $ac_n "checking for ld accepts -Bexport flag""... $ac_c" 1>&6
-echo "configure:6441: checking for ld accepts -Bexport flag" >&5
+echo "configure:6444: checking for ld accepts -Bexport flag" >&5
 	    LDFLAGS="${LDFLAGS} -Wl,-Bexport"
 	    cat > conftest.$ac_ext <<EOF
-#line 6444 "configure"
+#line 6447 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:6451: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6454: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   found=yes
 else
@@ -6494,9 +6497,9 @@ rm -f conftest*
 
     if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
 	echo $ac_n "checking sys/exec.h""... $ac_c" 1>&6
-echo "configure:6498: checking sys/exec.h" >&5
+echo "configure:6501: checking sys/exec.h" >&5
 	cat > conftest.$ac_ext <<EOF
-#line 6500 "configure"
+#line 6503 "configure"
 #include "confdefs.h"
 #include <sys/exec.h>
 int main() {
@@ -6514,7 +6517,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:6518: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6521: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -6532,9 +6535,9 @@ EOF
 
 	else
 	    echo $ac_n "checking a.out.h""... $ac_c" 1>&6
-echo "configure:6536: checking a.out.h" >&5
+echo "configure:6539: checking a.out.h" >&5
 	    cat > conftest.$ac_ext <<EOF
-#line 6538 "configure"
+#line 6541 "configure"
 #include "confdefs.h"
 #include <a.out.h>
 int main() {
@@ -6552,7 +6555,7 @@ int main() {
 	    
 ; return 0; }
 EOF
-if { (eval echo configure:6556: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6559: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -6570,9 +6573,9 @@ EOF
 
 	    else
 		echo $ac_n "checking sys/exec_aout.h""... $ac_c" 1>&6
-echo "configure:6574: checking sys/exec_aout.h" >&5
+echo "configure:6577: checking sys/exec_aout.h" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 6576 "configure"
+#line 6579 "configure"
 #include "confdefs.h"
 #include <sys/exec_aout.h>
 int main() {
@@ -6590,7 +6593,7 @@ int main() {
 		
 ; return 0; }
 EOF
-if { (eval echo configure:6594: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6597: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -6740,7 +6743,7 @@ fi
 
 
     echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:6744: checking for build with symbols" >&5
+echo "configure:6747: checking for build with symbols" >&5
     # Check whether --enable-symbols or --disable-symbols was given.
 if test "${enable_symbols+set}" = set; then
   enableval="$enable_symbols"
@@ -6779,17 +6782,17 @@ TCL_DBGX=${DBGX}
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:6783: checking for $ac_hdr" >&5
+echo "configure:6786: 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 6788 "configure"
+#line 6791 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6793: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6796: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -6819,17 +6822,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:6823: checking for $ac_hdr" >&5
+echo "configure:6826: 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 6828 "configure"
+#line 6831 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6833: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6836: \"$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*
@@ -6856,7 +6859,7 @@ fi
 done
 
     echo $ac_n "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O""... $ac_c" 1>&6
-echo "configure:6860: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
+echo "configure:6863: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
     if test -f /usr/lib/NextStep/software_version; then
 	system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
     else
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 8af47d8..0ab81b2 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -2081,13 +2081,16 @@ AC_DEFUN(SC_BUGGY_STRTOD, [
 	AC_MSG_CHECKING([for Solaris2.4/Tru64 strtod bugs])
 	AC_TRY_RUN([
 	    extern double strtod();
-	    int main()
-	    {
-		char *string = "NaN", *spaceString = " ";
+	    int main() {
+		char *infString="Inf", *nanString="NaN", *spaceString=" ";
 		char *term;
 		double value;
-		value = strtod(string, &term);
-		if ((term != string) && (term[-1] == 0)) {
+		value = strtod(infString, &term);
+		if ((term != infString) && (term[-1] == 0)) {
+		    exit(1);
+		}
+		value = strtod(nanString, &term);
+		if ((term != nanString) && (term[-1] == 0)) {
 		    exit(1);
 		}
 		value = strtod(spaceString, &term);