* unix/configure: regen

	* unix/configure.in: add AC_C_BIGENDIAN check
	* unix/tcl.m4: correct Solaris 10 (5.10) check and add support for
	x86_64 Solaris cc builds.

3 files changed, 249 insertions, 132 deletions

diff --git a/unix/configure b/unix/configure
index ce43001..e230e2d 100755
--- a/unix/configure
+++ b/unix/configure
@@ -2968,7 +2968,8 @@ EOF
 	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a'
 	    TCL_LIB_VERSIONS_OK=nodots
 	    ;;
-	SunOS-5.[0-6]*)
+	SunOS-5.[0-6])
+	    # Careful to not let 5.10+ fall into this case
 
 	    # Note: If _REENTRANT isn't defined, then Solaris
 	    # won't define thread-safe library routines.
@@ -3002,7 +3003,6 @@ EOF
 	    fi
 	    ;;
 	SunOS-5*)
-
 	    # Note: If _REENTRANT isn't defined, then Solaris
 	    # won't define thread-safe library routines.
 
@@ -3042,8 +3042,16 @@ EOF
 			    # Solaris 64 uses this as well
 			    #LD_LIBRARY_PATH_VAR="LD_LIBRARY_PATH_64"
 			fi
+		elif test "$arch" = "amd64 i386" ; then
+		    if test "$GCC" = "yes" ; then
+			echo "configure: warning: 64bit mode not supported with GCC on $system" 1>&2
+		    else
+			do64bit_ok=yes
+			CFLAGS="$CFLAGS -xarch=amd64"
+			LDFLAGS="$LDFLAGS -xarch=amd64"
+		    fi
 		else
-		    echo "configure: warning: 64bit mode only supported sparcv9 system" 1>&2
+		    echo "configure: warning: 64bit mode not supported for $arch" 1>&2
 		fi
 	    fi
 	    
@@ -3098,17 +3106,17 @@ EOF
 	    # that don't grok the -Bexport option.  Test that it does.
 	    hold_ldflags=$LDFLAGS
 	    echo $ac_n "checking for ld accepts -Bexport flag""... $ac_c" 1>&6
-echo "configure:3102: checking for ld accepts -Bexport flag" >&5
+echo "configure:3110: checking for ld accepts -Bexport flag" >&5
 	    LDFLAGS="$LDFLAGS -Wl,-Bexport"
 	    cat > conftest.$ac_ext <<EOF
-#line 3105 "configure"
+#line 3113 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:3112: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3120: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   found=yes
 else
@@ -3149,9 +3157,9 @@ rm -f conftest*
 
     if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
 	echo $ac_n "checking sys/exec.h""... $ac_c" 1>&6
-echo "configure:3153: checking sys/exec.h" >&5
+echo "configure:3161: checking sys/exec.h" >&5
 	cat > conftest.$ac_ext <<EOF
-#line 3155 "configure"
+#line 3163 "configure"
 #include "confdefs.h"
 #include <sys/exec.h>
 int main() {
@@ -3169,7 +3177,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:3173: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3181: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -3187,9 +3195,9 @@ EOF
 
 	else
 	    echo $ac_n "checking a.out.h""... $ac_c" 1>&6
-echo "configure:3191: checking a.out.h" >&5
+echo "configure:3199: checking a.out.h" >&5
 	    cat > conftest.$ac_ext <<EOF
-#line 3193 "configure"
+#line 3201 "configure"
 #include "confdefs.h"
 #include <a.out.h>
 int main() {
@@ -3207,7 +3215,7 @@ int main() {
 	    
 ; return 0; }
 EOF
-if { (eval echo configure:3211: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3219: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -3225,9 +3233,9 @@ EOF
 
 	    else
 		echo $ac_n "checking sys/exec_aout.h""... $ac_c" 1>&6
-echo "configure:3229: checking sys/exec_aout.h" >&5
+echo "configure:3237: checking sys/exec_aout.h" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 3231 "configure"
+#line 3239 "configure"
 #include "confdefs.h"
 #include <sys/exec_aout.h>
 int main() {
@@ -3245,7 +3253,7 @@ int main() {
 		
 ; return 0; }
 EOF
-if { (eval echo configure:3249: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3257: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -3396,7 +3404,7 @@ fi
 
 
     echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:3400: checking for build with symbols" >&5
+echo "configure:3408: checking for build with symbols" >&5
     # Check whether --enable-symbols or --disable-symbols was given.
 if test "${enable_symbols+set}" = set; then
   enableval="$enable_symbols"
@@ -3457,21 +3465,21 @@ TK_DBGX=${DBGX}
 
 
     echo $ac_n "checking for required early compiler flags""... $ac_c" 1>&6
-echo "configure:3461: checking for required early compiler flags" >&5
+echo "configure:3469: 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 3468 "configure"
+#line 3476 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int main() {
 char *p = (char *)strtoll; char *q = (char *)strtoull;
 ; return 0; }
 EOF
-if { (eval echo configure:3475: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3483: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__isoc99_source=no
 else
@@ -3479,7 +3487,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3483 "configure"
+#line 3491 "configure"
 #include "confdefs.h"
 #define _ISOC99_SOURCE 1
 #include <stdlib.h>
@@ -3487,7 +3495,7 @@ int main() {
 char *p = (char *)strtoll; char *q = (char *)strtoull;
 ; return 0; }
 EOF
-if { (eval echo configure:3491: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3499: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__isoc99_source=yes
 else
@@ -3513,14 +3521,14 @@ EOF
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3517 "configure"
+#line 3525 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
 struct stat64 buf; int i = stat64("/", &buf);
 ; return 0; }
 EOF
-if { (eval echo configure:3524: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3532: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__largefile64_source=no
 else
@@ -3528,7 +3536,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3532 "configure"
+#line 3540 "configure"
 #include "confdefs.h"
 #define _LARGEFILE64_SOURCE 1
 #include <sys/stat.h>
@@ -3536,7 +3544,7 @@ int main() {
 struct stat64 buf; int i = stat64("/", &buf);
 ; return 0; }
 EOF
-if { (eval echo configure:3540: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3548: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__largefile64_source=yes
 else
@@ -3565,7 +3573,7 @@ EOF
 
 
     echo $ac_n "checking for 64-bit integer type""... $ac_c" 1>&6
-echo "configure:3569: checking for 64-bit integer type" >&5
+echo "configure:3577: checking for 64-bit integer type" >&5
     if eval "test \"`echo '$''{'tcl_cv_type_64bit'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3573,14 +3581,14 @@ else
 	tcl_cv_type_64bit=none
 	# See if the compiler knows natively about __int64
 	cat > conftest.$ac_ext <<EOF
-#line 3577 "configure"
+#line 3585 "configure"
 #include "confdefs.h"
 
 int main() {
 __int64 value = (__int64) 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3584: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3592: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_type_64bit=__int64
 else
@@ -3594,7 +3602,7 @@ rm -f conftest*
 	# type that is our current guess for a 64-bit type inside this check
 	# program, so it should be modified only carefully...
         cat > conftest.$ac_ext <<EOF
-#line 3598 "configure"
+#line 3606 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -3603,7 +3611,7 @@ switch (0) {
         }
 ; return 0; }
 EOF
-if { (eval echo configure:3607: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3615: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_type_64bit=${tcl_type_64bit}
 else
@@ -3628,13 +3636,13 @@ EOF
 
 	# Now check for auxiliary declarations
 	echo $ac_n "checking for struct dirent64""... $ac_c" 1>&6
-echo "configure:3632: checking for struct dirent64" >&5
+echo "configure:3640: checking for struct dirent64" >&5
 	if eval "test \"`echo '$''{'tcl_cv_struct_dirent64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 3638 "configure"
+#line 3646 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/dirent.h>
@@ -3642,7 +3650,7 @@ int main() {
 struct dirent64 p;
 ; return 0; }
 EOF
-if { (eval echo configure:3646: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_struct_dirent64=yes
 else
@@ -3663,13 +3671,13 @@ EOF
 	echo "$ac_t""${tcl_cv_struct_dirent64}" 1>&6
 
 	echo $ac_n "checking for struct stat64""... $ac_c" 1>&6
-echo "configure:3667: checking for struct stat64" >&5
+echo "configure:3675: checking for struct stat64" >&5
 	if eval "test \"`echo '$''{'tcl_cv_struct_stat64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 3673 "configure"
+#line 3681 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
@@ -3677,7 +3685,7 @@ struct stat64 p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:3681: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3689: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_struct_stat64=yes
 else
@@ -3700,12 +3708,12 @@ EOF
 	for ac_func in open64 lseek64
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3704: checking for $ac_func" >&5
+echo "configure:3712: 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 3709 "configure"
+#line 3717 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3728,7 +3736,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3732: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3740: \"$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
@@ -3753,13 +3761,13 @@ fi
 done
 
 	echo $ac_n "checking for off64_t""... $ac_c" 1>&6
-echo "configure:3757: checking for off64_t" >&5
+echo "configure:3765: checking for off64_t" >&5
 	if eval "test \"`echo '$''{'tcl_cv_type_off64_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 3763 "configure"
+#line 3771 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int main() {
@@ -3767,7 +3775,7 @@ off64_t offset;
 
 ; return 0; }
 EOF
-if { (eval echo configure:3771: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3779: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_type_off64_t=yes
 else
@@ -3792,6 +3800,101 @@ EOF
 	fi
     fi
 
+#--------------------------------------------------------------------
+#	Check endianness because we can optimize some operations
+#--------------------------------------------------------------------
+
+echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
+echo "configure:3809: checking whether byte ordering is bigendian" >&5
+if eval "test \"`echo '$''{'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 3816 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/param.h>
+int main() {
+
+#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
+ bogus endian macros
+#endif
+; return 0; }
+EOF
+if { (eval echo configure:3827: \"$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 3831 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/param.h>
+int main() {
+
+#if BYTE_ORDER != BIG_ENDIAN
+ not big endian
+#endif
+; return 0; }
+EOF
+if { (eval echo configure:3842: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_c_bigendian=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_c_bigendian=no
+fi
+rm -f conftest*
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+if test $ac_cv_c_bigendian = unknown; then
+if test "$cross_compiling" = yes; then
+    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3862 "configure"
+#include "confdefs.h"
+main () {
+  /* Are we little or big endian?  From Harbison&Steele.  */
+  union
+  {
+    long l;
+    char c[sizeof (long)];
+  } u;
+  u.l = 1;
+  exit (u.c[sizeof (long) - 1] == 1);
+}
+EOF
+if { (eval echo configure:3875: \"$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
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -fr conftest*
+  ac_cv_c_bigendian=yes
+fi
+rm -fr conftest*
+fi
+
+fi
+fi
+
+echo "$ac_t""$ac_cv_c_bigendian" 1>&6
+if test $ac_cv_c_bigendian = yes; then
+  cat >> confdefs.h <<\EOF
+#define WORDS_BIGENDIAN 1
+EOF
+
+fi
+
+
 #------------------------------------------------------------------------
 # If Tcl and Tk are installed in different places, adjust the library
 # search path to reflect this.
@@ -3818,12 +3921,12 @@ fi
 
 MATH_LIBS=""
 echo $ac_n "checking for sin""... $ac_c" 1>&6
-echo "configure:3822: checking for sin" >&5
+echo "configure:3925: checking for sin" >&5
 if eval "test \"`echo '$''{'ac_cv_func_sin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3827 "configure"
+#line 3930 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char sin(); below.  */
@@ -3846,7 +3949,7 @@ sin();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3850: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3953: \"$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
@@ -3867,7 +3970,7 @@ MATH_LIBS="-lm"
 fi
 
 echo $ac_n "checking for main in -lieee""... $ac_c" 1>&6
-echo "configure:3871: checking for main in -lieee" >&5
+echo "configure:3974: checking for main in -lieee" >&5
 ac_lib_var=`echo ieee'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3875,14 +3978,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lieee  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3879 "configure"
+#line 3982 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3886: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3989: \"$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
@@ -3913,7 +4016,7 @@ fi
 libbsd=no
 if test "`uname -s`" = "AIX" ; then
     echo $ac_n "checking for gettimeofday in -lbsd""... $ac_c" 1>&6
-echo "configure:3917: checking for gettimeofday in -lbsd" >&5
+echo "configure:4020: checking for gettimeofday in -lbsd" >&5
 ac_lib_var=`echo bsd'_'gettimeofday | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3921,7 +4024,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3925 "configure"
+#line 4028 "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
@@ -3932,7 +4035,7 @@ int main() {
 gettimeofday()
 ; return 0; }
 EOF
-if { (eval echo configure:3936: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4039: \"$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
@@ -3963,9 +4066,9 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking stdlib.h""... $ac_c" 1>&6
-echo "configure:3967: checking stdlib.h" >&5
+echo "configure:4070: checking stdlib.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 3969 "configure"
+#line 4072 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -3980,7 +4083,7 @@ fi
 rm -f conftest*
 
 cat > conftest.$ac_ext <<EOF
-#line 3984 "configure"
+#line 4087 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -3994,7 +4097,7 @@ fi
 rm -f conftest*
 
 cat > conftest.$ac_ext <<EOF
-#line 3998 "configure"
+#line 4101 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -4026,16 +4129,16 @@ echo "$ac_t""$tk_ok" 1>&6
 #--------------------------------------------------------------------
 
 echo $ac_n "checking fd_set and sys/select""... $ac_c" 1>&6
-echo "configure:4030: checking fd_set and sys/select" >&5
+echo "configure:4133: checking fd_set and sys/select" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4032 "configure"
+#line 4135 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int main() {
 fd_set readMask, writeMask;
 ; return 0; }
 EOF
-if { (eval echo configure:4039: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4142: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tk_ok=yes
 else
@@ -4047,7 +4150,7 @@ fi
 rm -f conftest*
 if test $tk_ok = no; then
     cat > conftest.$ac_ext <<EOF
-#line 4051 "configure"
+#line 4154 "configure"
 #include "confdefs.h"
 #include <sys/select.h>
 EOF
@@ -4079,12 +4182,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:4083: checking for ANSI C header files" >&5
+echo "configure:4186: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4088 "configure"
+#line 4191 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -4092,7 +4195,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4096: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4199: \"$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*
@@ -4109,7 +4212,7 @@ 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 4113 "configure"
+#line 4216 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -4127,7 +4230,7 @@ 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 4131 "configure"
+#line 4234 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -4148,7 +4251,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 4152 "configure"
+#line 4255 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -4159,7 +4262,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:4163: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4266: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -4183,12 +4286,12 @@ EOF
 fi
 
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:4187: checking for mode_t" >&5
+echo "configure:4290: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4192 "configure"
+#line 4295 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4216,12 +4319,12 @@ EOF
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:4220: checking for pid_t" >&5
+echo "configure:4323: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4225 "configure"
+#line 4328 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4249,12 +4352,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:4253: checking for size_t" >&5
+echo "configure:4356: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4258 "configure"
+#line 4361 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4282,12 +4385,12 @@ EOF
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:4286: checking for uid_t in sys/types.h" >&5
+echo "configure:4389: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4291 "configure"
+#line 4394 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -4324,17 +4427,17 @@ for ac_hdr in sys/time.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4328: checking for $ac_hdr" >&5
+echo "configure:4431: 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 4333 "configure"
+#line 4436 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4338: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4441: \"$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*
@@ -4361,12 +4464,12 @@ fi
 done
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4365: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:4468: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4370 "configure"
+#line 4473 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -4375,7 +4478,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:4379: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4482: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -4401,16 +4504,16 @@ fi
 #-------------------------------------------
 
 echo $ac_n "checking pw_gecos in struct pwd""... $ac_c" 1>&6
-echo "configure:4405: checking pw_gecos in struct pwd" >&5
+echo "configure:4508: checking pw_gecos in struct pwd" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4407 "configure"
+#line 4510 "configure"
 #include "confdefs.h"
 #include <pwd.h>
 int main() {
 struct passwd pwd; pwd.pw_gecos;
 ; return 0; }
 EOF
-if { (eval echo configure:4414: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4517: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tk_ok=yes
 else
@@ -4443,7 +4546,7 @@ fi
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:4447: checking for X" >&5
+echo "configure:4550: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -4505,12 +4608,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 4509 "configure"
+#line 4612 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4514: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4617: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4579,14 +4682,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4583 "configure"
+#line 4686 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:4590: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4693: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -4676,12 +4779,12 @@ fi
     if test "$no_x" = ""; then
 	if test "$x_includes" = ""; then
 	    cat > conftest.$ac_ext <<EOF
-#line 4680 "configure"
+#line 4783 "configure"
 #include "confdefs.h"
 #include <X11/XIntrinsic.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4685: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4788: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -4701,15 +4804,15 @@ rm -f conftest*
     fi
     if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
 	echo $ac_n "checking for X11 header files""... $ac_c" 1>&6
-echo "configure:4705: checking for X11 header files" >&5
+echo "configure:4808: checking for X11 header files" >&5
 	found_xincludes="no"
 	cat > conftest.$ac_ext <<EOF
-#line 4708 "configure"
+#line 4811 "configure"
 #include "confdefs.h"
 #include <X11/Intrinsic.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4713: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4816: \"$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*
@@ -4745,7 +4848,7 @@ rm -f conftest*
 
     if test "$no_x" = yes; then
 	echo $ac_n "checking for X11 libraries""... $ac_c" 1>&6
-echo "configure:4749: checking for X11 libraries" >&5
+echo "configure:4852: checking for X11 libraries" >&5
 	XLIBSW=nope
 	dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib"
 	for i in $dirs ; do
@@ -4765,7 +4868,7 @@ echo "configure:4749: checking for X11 libraries" >&5
     fi
     if test "$XLIBSW" = nope ; then
 	echo $ac_n "checking for XCreateWindow in -lXwindow""... $ac_c" 1>&6
-echo "configure:4769: checking for XCreateWindow in -lXwindow" >&5
+echo "configure:4872: checking for XCreateWindow in -lXwindow" >&5
 ac_lib_var=`echo Xwindow'_'XCreateWindow | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4773,7 +4876,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXwindow  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4777 "configure"
+#line 4880 "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
@@ -4784,7 +4887,7 @@ int main() {
 XCreateWindow()
 ; return 0; }
 EOF
-if { (eval echo configure:4788: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4891: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4858,7 +4961,7 @@ eval "LD_SEARCH_FLAGS=\"$TCL_LD_SEARCH_FLAGS\""
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for main in -lXbsd""... $ac_c" 1>&6
-echo "configure:4862: checking for main in -lXbsd" >&5
+echo "configure:4965: checking for main in -lXbsd" >&5
 ac_lib_var=`echo Xbsd'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4866,14 +4969,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4870 "configure"
+#line 4973 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4877: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4980: \"$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
@@ -4896,12 +4999,12 @@ fi
 
 tk_checkBoth=0
 echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:4900: checking for connect" >&5
+echo "configure:5003: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4905 "configure"
+#line 5008 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -4924,7 +5027,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4928: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5031: \"$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
@@ -4946,7 +5049,7 @@ fi
 
 if test "$tk_checkSocket" = 1; then
     echo $ac_n "checking for main in -lsocket""... $ac_c" 1>&6
-echo "configure:4950: checking for main in -lsocket" >&5
+echo "configure:5053: checking for main in -lsocket" >&5
 ac_lib_var=`echo socket'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4954,14 +5057,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4958 "configure"
+#line 5061 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4965: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5068: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4987,12 +5090,12 @@ if test "$tk_checkBoth" = 1; then
     tk_oldLibs=$LIBS
     LIBS="$LIBS -lsocket -lnsl"
     echo $ac_n "checking for accept""... $ac_c" 1>&6
-echo "configure:4991: checking for accept" >&5
+echo "configure:5094: checking for accept" >&5
 if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4996 "configure"
+#line 5099 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char accept(); below.  */
@@ -5015,7 +5118,7 @@ accept();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5019: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5122: \"$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
@@ -5037,12 +5140,12 @@ fi
 
 fi
 echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:5041: checking for gethostbyname" >&5
+echo "configure:5144: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5046 "configure"
+#line 5149 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -5065,7 +5168,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5069: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5172: \"$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
@@ -5083,7 +5186,7 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for main in -lnsl""... $ac_c" 1>&6
-echo "configure:5087: checking for main in -lnsl" >&5
+echo "configure:5190: checking for main in -lnsl" >&5
 ac_lib_var=`echo nsl'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5091,14 +5194,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5095 "configure"
+#line 5198 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5102: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5205: \"$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
@@ -5134,13 +5237,13 @@ fi
 
 if test -d /usr/include/mit ; then
     echo $ac_n "checking MIT X libraries""... $ac_c" 1>&6
-echo "configure:5138: checking MIT X libraries" >&5
+echo "configure:5241: checking MIT X libraries" >&5
     tk_oldCFlags=$CFLAGS
     CFLAGS="$CFLAGS -I/usr/include/mit"
     tk_oldLibs=$LIBS
     LIBS="$LIBS -lX11-mit"
     cat > conftest.$ac_ext <<EOF
-#line 5144 "configure"
+#line 5247 "configure"
 #include "confdefs.h"
 
 	#include <X11/Xlib.h>
@@ -5151,7 +5254,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5155: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5258: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   
 	echo "$ac_t""yes" 1>&6
@@ -5175,14 +5278,14 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:5179: checking whether char is unsigned" >&5
+echo "configure:5282: checking whether char is unsigned" >&5
 if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 5186 "configure"
+#line 5289 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -5204,7 +5307,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5208 "configure"
+#line 5311 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -5214,7 +5317,7 @@ main() {
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:5218: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5321: \"$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
@@ -5247,12 +5350,12 @@ fi
 
 
     echo $ac_n "checking for strtod""... $ac_c" 1>&6
-echo "configure:5251: checking for strtod" >&5
+echo "configure:5354: checking for strtod" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5256 "configure"
+#line 5359 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtod(); below.  */
@@ -5275,7 +5378,7 @@ strtod();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5279: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5382: \"$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
@@ -5297,7 +5400,7 @@ fi
 
     if test "$tcl_strtod" = 1; then
 	echo $ac_n "checking for Solaris2.4/Tru64 strtod bugs""... $ac_c" 1>&6
-echo "configure:5301: checking for Solaris2.4/Tru64 strtod bugs" >&5
+echo "configure:5404: checking for Solaris2.4/Tru64 strtod bugs" >&5
 	if eval "test \"`echo '$''{'tcl_cv_strtod_buggy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5306,7 +5409,7 @@ else
   tcl_cv_strtod_buggy=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 5310 "configure"
+#line 5413 "configure"
 #include "confdefs.h"
 
 		extern double strtod();
@@ -5329,7 +5432,7 @@ else
 		    exit(0);
 		}
 EOF
-if { (eval echo configure:5333: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5436: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_strtod_buggy=1
 else
diff --git a/unix/configure.in b/unix/configure.in
index 48baeee..841f948 100644
--- a/unix/configure.in
+++ b/unix/configure.in
@@ -3,7 +3,7 @@ dnl	This file is an input file used by the GNU "autoconf" program to
 dnl	generate the file "configure", which is run during Tk installation
 dnl	to configure the system for the local environment.
 #
-# RCS: @(#) $Id: configure.in,v 1.83.2.13 2004/11/25 00:26:23 hobbs Exp $
+# RCS: @(#) $Id: configure.in,v 1.83.2.14 2005/05/07 00:03:05 hobbs Exp $
 
 AC_INIT(../generic/tk.h)
 AC_PREREQ(2.13)
@@ -109,6 +109,12 @@ SC_TCL_EARLY_FLAGS
 
 SC_TCL_64BIT_FLAGS
 
+#--------------------------------------------------------------------
+#	Check endianness because we can optimize some operations
+#--------------------------------------------------------------------
+
+AC_C_BIGENDIAN
+
 #------------------------------------------------------------------------
 # If Tcl and Tk are installed in different places, adjust the library
 # search path to reflect this.
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 5eb6c72..8239fb8 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1541,7 +1541,8 @@ dnl AC_CHECK_TOOL(AR, ar)
 	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a'
 	    TCL_LIB_VERSIONS_OK=nodots
 	    ;;
-	SunOS-5.[[0-6]]*)
+	SunOS-5.[[0-6]])
+	    # Careful to not let 5.10+ fall into this case
 
 	    # Note: If _REENTRANT isn't defined, then Solaris
 	    # won't define thread-safe library routines.
@@ -1569,7 +1570,6 @@ dnl AC_CHECK_TOOL(AR, ar)
 	    fi
 	    ;;
 	SunOS-5*)
-
 	    # Note: If _REENTRANT isn't defined, then Solaris
 	    # won't define thread-safe library routines.
 
@@ -1603,8 +1603,16 @@ dnl AC_CHECK_TOOL(AR, ar)
 			    # Solaris 64 uses this as well
 			    #LD_LIBRARY_PATH_VAR="LD_LIBRARY_PATH_64"
 			fi
+		elif test "$arch" = "amd64 i386" ; then
+		    if test "$GCC" = "yes" ; then
+			AC_MSG_WARN([64bit mode not supported with GCC on $system])
+		    else
+			do64bit_ok=yes
+			CFLAGS="$CFLAGS -xarch=amd64"
+			LDFLAGS="$LDFLAGS -xarch=amd64"
+		    fi
 		else
-		    AC_MSG_WARN([64bit mode only supported sparcv9 system])
+		    AC_MSG_WARN([64bit mode not supported for $arch])
 		fi
 	    fi