sync'ed to Tcl's tcl.m4

2 files changed, 202 insertions, 367 deletions

diff --git a/unix/configure b/unix/configure
index c464954..184d498 100755
--- a/unix/configure
+++ b/unix/configure
@@ -1571,144 +1571,6 @@ fi
 done
 
 	LIBS=$ac_saved_libs
-	for ac_func in readdir_r
-do
-echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1578: 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 1583 "configure"
-#include "confdefs.h"
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func(); below.  */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error.  */
-/* We use char because int might match the return type of a gcc2
-    builtin and then its argument prototype would still apply.  */
-char $ac_func();
-
-int main() {
-
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-$ac_func();
-#endif
-
-; return 0; }
-EOF
-if { (eval echo configure:1606: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
-  rm -rf conftest*
-  eval "ac_cv_func_$ac_func=yes"
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_func_$ac_func=no"
-fi
-rm -f conftest*
-fi
-
-if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_func 1
-EOF
- 
-else
-  echo "$ac_t""no" 1>&6
-fi
-done
-
-	if test "x$ac_cv_func_readdir_r" = "xyes"; then
-            echo $ac_n "checking how many args readdir_r takes""... $ac_c" 1>&6
-echo "configure:1632: checking how many args readdir_r takes" >&5
-	    # IRIX 5.3 has a 2 arg version of readdir_r
-	    # while other systems have a 3 arg version.
-	    if eval "test \"`echo '$''{'tcl_cv_two_arg_readdir_r'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 1639 "configure"
-#include "confdefs.h"
-#include <stdlib.h>
-#include <sys/types.h>
-#ifdef NO_DIRENT_H
-# include <sys/dir.h>  /* logic from tcl/compat/dirent.h *
-# define dirent direct  *                                */
-#else
-# include <dirent.h>
-#endif
-
-int main() {
-readdir_r(NULL, NULL);
-; return 0; }
-EOF
-if { (eval echo configure:1654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  tcl_cv_two_arg_readdir_r=yes
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  tcl_cv_two_arg_readdir_r=no
-fi
-rm -f conftest*
-fi
-
-	    if eval "test \"`echo '$''{'tcl_cv_three_arg_readdir_r'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 1670 "configure"
-#include "confdefs.h"
-#include <stdlib.h>
-#include <sys/types.h>
-#ifdef NO_DIRENT_H
-# include <sys/dir.h>  /* logic from tcl/compat/dirent.h *
-# define dirent direct  *                                */
-#else
-# include <dirent.h>
-#endif
-
-int main() {
-readdir_r(NULL, NULL, NULL);
-; return 0; }
-EOF
-if { (eval echo configure:1685: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  tcl_cv_three_arg_readdir_r=yes
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  tcl_cv_three_arg_readdir_r=no
-fi
-rm -f conftest*
-fi
-
-	    if test "x$tcl_cv_two_arg_readdir_r" = "xyes" ; then
-                echo "$ac_t""2" 1>&6
-	        cat >> confdefs.h <<\EOF
-#define HAVE_TWO_ARG_READDIR_R 1
-EOF
-
-	    elif test "x$tcl_cv_three_arg_readdir_r" = "xyes" ; then
-                echo "$ac_t""3" 1>&6
-	        cat >> confdefs.h <<\EOF
-#define HAVE_THREE_ARG_READDIR_R 1
-EOF
-
-	    else
-	        { echo "configure: error: unknown number of args for readdir_r" 1>&2; exit 1; }
-	    fi
-	fi
     else
 	TCL_THREADS=0
 	echo "$ac_t""no (default)" 1>&6
@@ -1721,7 +1583,7 @@ LIBS="$LIBS$THREADS_LIBS"
 
 
     echo $ac_n "checking how to build libraries""... $ac_c" 1>&6
-echo "configure:1725: checking how to build libraries" >&5
+echo "configure:1587: checking how to build libraries" >&5
     # Check whether --enable-shared or --disable-shared was given.
 if test "${enable_shared+set}" = set; then
   enableval="$enable_shared"
@@ -1760,7 +1622,7 @@ 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:1764: checking for $ac_word" >&5
+echo "configure:1626: 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
@@ -1792,7 +1654,7 @@ fi
     # Step 0.a: Enable 64 bit support?
 
     echo $ac_n "checking if 64bit support is requested""... $ac_c" 1>&6
-echo "configure:1796: checking if 64bit support is requested" >&5
+echo "configure:1658: checking if 64bit support is requested" >&5
     # Check whether --enable-64bit or --disable-64bit was given.
 if test "${enable_64bit+set}" = set; then
   enableval="$enable_64bit"
@@ -1812,7 +1674,7 @@ fi
     # Step 0.b: Enable Solaris 64 bit VIS support?
 
     echo $ac_n "checking if 64bit Sparc VIS support is requested""... $ac_c" 1>&6
-echo "configure:1816: checking if 64bit Sparc VIS support is requested" >&5
+echo "configure:1678: checking if 64bit Sparc VIS support is requested" >&5
     # Check whether --enable-64bit-vis or --disable-64bit-vis was given.
 if test "${enable_64bit_vis+set}" = set; then
   enableval="$enable_64bit_vis"
@@ -1836,7 +1698,7 @@ 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:1840: checking system version (for dynamic loading)" >&5
+echo "configure:1702: 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
@@ -1862,7 +1724,7 @@ echo "configure:1840: 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""... $ac_c" 1>&6
-echo "configure:1866: checking for dlopen in -ldl" >&5
+echo "configure:1728: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1870,7 +1732,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1874 "configure"
+#line 1736 "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
@@ -1881,7 +1743,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:1885: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1747: \"$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
@@ -1929,7 +1791,7 @@ 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:1933: checking for $ac_word" >&5
+echo "configure:1795: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1966,9 +1828,14 @@ fi
 	AIX-*)
 	    if test "${TCL_THREADS}" = "1" -a "$GCC" != "yes" ; then
 		# AIX requires the _r compiler when gcc isn't being used
-		if test "${CC}" != "cc_r" ; then
-		    CC=${CC}_r
-		fi
+		case "${CC}" in
+		    *_r)
+			# ok ...
+			;;
+		    *)
+			CC=${CC}_r
+			;;
+		esac
 		echo "$ac_t""Using $CC for compiling with threads" 1>&6
 	    fi
 	    LIBS="$LIBS -lc"
@@ -2039,7 +1906,7 @@ fi
 	    # known GMT value.
 
 	    echo $ac_n "checking for gettimeofday in -lbsd""... $ac_c" 1>&6
-echo "configure:2043: checking for gettimeofday in -lbsd" >&5
+echo "configure:1910: checking for gettimeofday in -lbsd" >&5
 ac_lib_var=`echo bsd'_'gettimeofday | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2047,7 +1914,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2051 "configure"
+#line 1918 "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
@@ -2058,7 +1925,7 @@ int main() {
 gettimeofday()
 ; return 0; }
 EOF
-if { (eval echo configure:2062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1929: \"$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
@@ -2101,7 +1968,7 @@ EOF
 	    # is always linked to, for compatibility.
 	    #-----------------------------------------------------------
 	    echo $ac_n "checking for inet_ntoa in -lbind""... $ac_c" 1>&6
-echo "configure:2105: checking for inet_ntoa in -lbind" >&5
+echo "configure:1972: checking for inet_ntoa in -lbind" >&5
 ac_lib_var=`echo bind'_'inet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2109,7 +1976,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbind  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2113 "configure"
+#line 1980 "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
@@ -2120,7 +1987,7 @@ int main() {
 inet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:2124: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1991: \"$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
@@ -2186,7 +2053,7 @@ EOF
 
 	    SHLIB_SUFFIX=".sl"
 	    echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:2190: checking for shl_load in -ldld" >&5
+echo "configure:2057: checking for shl_load in -ldld" >&5
 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2194,7 +2061,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2198 "configure"
+#line 2065 "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
@@ -2205,7 +2072,7 @@ int main() {
 shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:2209: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2076: \"$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
@@ -2273,7 +2140,7 @@ fi
 	HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
 	    SHLIB_SUFFIX=".sl"
 	    echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:2277: checking for shl_load in -ldld" >&5
+echo "configure:2144: checking for shl_load in -ldld" >&5
 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2281,7 +2148,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2285 "configure"
+#line 2152 "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
@@ -2292,7 +2159,7 @@ int main() {
 shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:2296: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2163: \"$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
@@ -2416,17 +2283,17 @@ fi
 	    else
 		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dld.h""... $ac_c" 1>&6
-echo "configure:2420: checking for dld.h" >&5
+echo "configure:2287: checking for dld.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2425 "configure"
+#line 2292 "configure"
 #include "confdefs.h"
 #include <dld.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2430: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2297: \"$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*
@@ -2490,17 +2357,17 @@ EOF
 	    else
 		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dld.h""... $ac_c" 1>&6
-echo "configure:2494: checking for dld.h" >&5
+echo "configure:2361: checking for dld.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2499 "configure"
+#line 2366 "configure"
 #include "confdefs.h"
 #include <dld.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2504: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2371: \"$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*
@@ -2556,17 +2423,17 @@ 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""... $ac_c" 1>&6
-echo "configure:2560: checking for dlfcn.h" >&5
+echo "configure:2427: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2565 "configure"
+#line 2432 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2570: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2437: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2593,9 +2460,9 @@ if eval "test \"`echo '$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""... $ac_c" 1>&6
-echo "configure:2597: checking for ELF" >&5
+echo "configure:2464: checking for ELF" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 2599 "configure"
+#line 2466 "configure"
 #include "confdefs.h"
 
 #ifdef __ELF__
@@ -2669,9 +2536,9 @@ fi
 		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
 		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1.0'
 		echo $ac_n "checking for ELF""... $ac_c" 1>&6
-echo "configure:2673: checking for ELF" >&5
+echo "configure:2540: checking for ELF" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 2675 "configure"
+#line 2542 "configure"
 #include "confdefs.h"
 
 #ifdef __ELF__
@@ -2730,7 +2597,7 @@ rm -f conftest*
 	    SHLIB_CFLAGS="-fno-common"
 	    SHLIB_LD="cc -dynamiclib \${LDFLAGS}"
 	    echo $ac_n "checking if ld accepts -single_module flag""... $ac_c" 1>&6
-echo "configure:2734: checking if ld accepts -single_module flag" >&5
+echo "configure:2601: checking if ld accepts -single_module flag" >&5
 if eval "test \"`echo '$''{'tcl_cv_ld_single_module'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2738,14 +2605,14 @@ else
 	        hold_ldflags=$LDFLAGS
 	        LDFLAGS="$LDFLAGS -dynamiclib -Wl,-single_module"
 	        cat > conftest.$ac_ext <<EOF
-#line 2742 "configure"
+#line 2609 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:2749: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2616: \"$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
@@ -2768,7 +2635,7 @@ echo "$ac_t""$tcl_cv_ld_single_module" 1>&6
 	    DL_LIBS=""
 	    LDFLAGS="$LDFLAGS -prebind -headerpad_max_install_names"
 	    echo $ac_n "checking if ld accepts -search_paths_first flag""... $ac_c" 1>&6
-echo "configure:2772: checking if ld accepts -search_paths_first flag" >&5
+echo "configure:2639: checking if ld accepts -search_paths_first flag" >&5
 if eval "test \"`echo '$''{'tcl_cv_ld_search_paths_first'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2776,14 +2643,14 @@ else
 	        hold_ldflags=$LDFLAGS
 	        LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
 	        cat > conftest.$ac_ext <<EOF
-#line 2780 "configure"
+#line 2647 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:2787: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2654: \"$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
@@ -2806,7 +2673,7 @@ 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""... $ac_c" 1>&6
-echo "configure:2810: checking whether to use CoreFoundation" >&5
+echo "configure:2677: checking whether to use CoreFoundation" >&5
             # Check whether --enable-corefoundation or --disable-corefoundation was given.
 if test "${enable_corefoundation+set}" = set; then
   enableval="$enable_corefoundation"
@@ -2818,7 +2685,7 @@ fi
             echo "$ac_t""$tcl_corefoundation" 1>&6
             if test $tcl_corefoundation = yes; then
                 echo $ac_n "checking for CoreFoundation.framework""... $ac_c" 1>&6
-echo "configure:2822: checking for CoreFoundation.framework" >&5
+echo "configure:2689: checking for CoreFoundation.framework" >&5
 if eval "test \"`echo '$''{'tcl_cv_lib_corefoundation'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2826,14 +2693,14 @@ else
                     hold_libs=$LIBS
                     LIBS="$LIBS -framework CoreFoundation"
                     cat > conftest.$ac_ext <<EOF
-#line 2830 "configure"
+#line 2697 "configure"
 #include "confdefs.h"
 #include <CoreFoundation/CoreFoundation.h>
 int main() {
 CFBundleRef b = CFBundleGetMainBundle();
 ; return 0; }
 EOF
-if { (eval echo configure:2837: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2704: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_lib_corefoundation=yes
 else
@@ -2859,17 +2726,17 @@ EOF
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2863: checking for $ac_hdr" >&5
+echo "configure:2730: 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 2868 "configure"
+#line 2735 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2873: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2740: \"$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*
@@ -2898,12 +2765,12 @@ done
 	    for ac_func in OSSpinLockLock
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2902: checking for $ac_func" >&5
+echo "configure:2769: 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 2907 "configure"
+#line 2774 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2926,7 +2793,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2930: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2797: \"$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
@@ -2969,12 +2836,12 @@ EOF
 	    # prior to Darwin 7, realpath is not threadsafe, so don't
 	    # use it when threads are enabled, c.f. bug # 711232:
 	    echo $ac_n "checking for realpath""... $ac_c" 1>&6
-echo "configure:2973: checking for realpath" >&5
+echo "configure:2840: checking for realpath" >&5
 if eval "test \"`echo '$''{'ac_cv_func_realpath'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2978 "configure"
+#line 2845 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char realpath(); below.  */
@@ -2997,7 +2864,7 @@ realpath();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3001: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2868: \"$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
@@ -3308,17 +3175,17 @@ EOF
 	    # that don't grok the -Bexport option.  Test that it does.
 	    hold_ldflags=$LDFLAGS
 	    echo $ac_n "checking for ld accepts -Bexport flag""... $ac_c" 1>&6
-echo "configure:3312: checking for ld accepts -Bexport flag" >&5
+echo "configure:3179: checking for ld accepts -Bexport flag" >&5
 	    LDFLAGS="$LDFLAGS -Wl,-Bexport"
 	    cat > conftest.$ac_ext <<EOF
-#line 3315 "configure"
+#line 3182 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:3322: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3189: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   found=yes
 else
@@ -3359,9 +3226,9 @@ rm -f conftest*
 
     if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
 	echo $ac_n "checking sys/exec.h""... $ac_c" 1>&6
-echo "configure:3363: checking sys/exec.h" >&5
+echo "configure:3230: checking sys/exec.h" >&5
 	cat > conftest.$ac_ext <<EOF
-#line 3365 "configure"
+#line 3232 "configure"
 #include "confdefs.h"
 #include <sys/exec.h>
 int main() {
@@ -3379,7 +3246,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:3383: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3250: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -3397,9 +3264,9 @@ EOF
 
 	else
 	    echo $ac_n "checking a.out.h""... $ac_c" 1>&6
-echo "configure:3401: checking a.out.h" >&5
+echo "configure:3268: checking a.out.h" >&5
 	    cat > conftest.$ac_ext <<EOF
-#line 3403 "configure"
+#line 3270 "configure"
 #include "confdefs.h"
 #include <a.out.h>
 int main() {
@@ -3417,7 +3284,7 @@ int main() {
 	    
 ; return 0; }
 EOF
-if { (eval echo configure:3421: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3288: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -3435,9 +3302,9 @@ EOF
 
 	    else
 		echo $ac_n "checking sys/exec_aout.h""... $ac_c" 1>&6
-echo "configure:3439: checking sys/exec_aout.h" >&5
+echo "configure:3306: checking sys/exec_aout.h" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 3441 "configure"
+#line 3308 "configure"
 #include "confdefs.h"
 #include <sys/exec_aout.h>
 int main() {
@@ -3455,7 +3322,7 @@ int main() {
 		
 ; return 0; }
 EOF
-if { (eval echo configure:3459: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3326: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -3606,7 +3473,7 @@ fi
 
 
     echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:3610: checking for build with symbols" >&5
+echo "configure:3477: checking for build with symbols" >&5
     # Check whether --enable-symbols or --disable-symbols was given.
 if test "${enable_symbols+set}" = set; then
   enableval="$enable_symbols"
@@ -3667,21 +3534,21 @@ TK_DBGX=${DBGX}
 
 
     echo $ac_n "checking for required early compiler flags""... $ac_c" 1>&6
-echo "configure:3671: checking for required early compiler flags" >&5
+echo "configure:3538: 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 3678 "configure"
+#line 3545 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int main() {
 char *p = (char *)strtoll; char *q = (char *)strtoull;
 ; return 0; }
 EOF
-if { (eval echo configure:3685: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3552: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__isoc99_source=no
 else
@@ -3689,7 +3556,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3693 "configure"
+#line 3560 "configure"
 #include "confdefs.h"
 #define _ISOC99_SOURCE 1
 #include <stdlib.h>
@@ -3697,7 +3564,7 @@ int main() {
 char *p = (char *)strtoll; char *q = (char *)strtoull;
 ; return 0; }
 EOF
-if { (eval echo configure:3701: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3568: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__isoc99_source=yes
 else
@@ -3723,14 +3590,14 @@ EOF
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3727 "configure"
+#line 3594 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
 struct stat64 buf; int i = stat64("/", &buf);
 ; return 0; }
 EOF
-if { (eval echo configure:3734: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3601: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__largefile64_source=no
 else
@@ -3738,7 +3605,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3742 "configure"
+#line 3609 "configure"
 #include "confdefs.h"
 #define _LARGEFILE64_SOURCE 1
 #include <sys/stat.h>
@@ -3746,7 +3613,7 @@ int main() {
 struct stat64 buf; int i = stat64("/", &buf);
 ; return 0; }
 EOF
-if { (eval echo configure:3750: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3617: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__largefile64_source=yes
 else
@@ -3775,7 +3642,7 @@ EOF
 
 
     echo $ac_n "checking for 64-bit integer type""... $ac_c" 1>&6
-echo "configure:3779: checking for 64-bit integer type" >&5
+echo "configure:3646: checking for 64-bit integer type" >&5
     if eval "test \"`echo '$''{'tcl_cv_type_64bit'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3783,14 +3650,14 @@ else
 	tcl_cv_type_64bit=none
 	# See if the compiler knows natively about __int64
 	cat > conftest.$ac_ext <<EOF
-#line 3787 "configure"
+#line 3654 "configure"
 #include "confdefs.h"
 
 int main() {
 __int64 value = (__int64) 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3794: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3661: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_type_64bit=__int64
 else
@@ -3804,7 +3671,7 @@ rm -f conftest*
 	# type that is our current guess for a 64-bit type inside this check
 	# program, so it should be modified only carefully...
         cat > conftest.$ac_ext <<EOF
-#line 3808 "configure"
+#line 3675 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -3813,7 +3680,7 @@ switch (0) {
         }
 ; return 0; }
 EOF
-if { (eval echo configure:3817: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3684: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_type_64bit=${tcl_type_64bit}
 else
@@ -3838,13 +3705,13 @@ EOF
 
 	# Now check for auxiliary declarations
 	echo $ac_n "checking for struct dirent64""... $ac_c" 1>&6
-echo "configure:3842: checking for struct dirent64" >&5
+echo "configure:3709: checking for struct dirent64" >&5
 	if eval "test \"`echo '$''{'tcl_cv_struct_dirent64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 3848 "configure"
+#line 3715 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/dirent.h>
@@ -3852,7 +3719,7 @@ int main() {
 struct dirent64 p;
 ; return 0; }
 EOF
-if { (eval echo configure:3856: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3723: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_struct_dirent64=yes
 else
@@ -3873,13 +3740,13 @@ EOF
 	echo "$ac_t""${tcl_cv_struct_dirent64}" 1>&6
 
 	echo $ac_n "checking for struct stat64""... $ac_c" 1>&6
-echo "configure:3877: checking for struct stat64" >&5
+echo "configure:3744: checking for struct stat64" >&5
 	if eval "test \"`echo '$''{'tcl_cv_struct_stat64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 3883 "configure"
+#line 3750 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
@@ -3887,7 +3754,7 @@ struct stat64 p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:3891: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3758: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_struct_stat64=yes
 else
@@ -3910,12 +3777,12 @@ EOF
 	for ac_func in open64 lseek64
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3914: checking for $ac_func" >&5
+echo "configure:3781: 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 3919 "configure"
+#line 3786 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3938,7 +3805,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3942: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3809: \"$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
@@ -3963,13 +3830,13 @@ fi
 done
 
 	echo $ac_n "checking for off64_t""... $ac_c" 1>&6
-echo "configure:3967: checking for off64_t" >&5
+echo "configure:3834: checking for off64_t" >&5
 	if eval "test \"`echo '$''{'tcl_cv_type_off64_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 3973 "configure"
+#line 3840 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int main() {
@@ -3977,7 +3844,7 @@ off64_t offset;
 
 ; return 0; }
 EOF
-if { (eval echo configure:3981: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3848: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_type_off64_t=yes
 else
@@ -4007,14 +3874,14 @@ EOF
 #--------------------------------------------------------------------
 
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:4011: checking whether byte ordering is bigendian" >&5
+echo "configure:3878: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'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 4018 "configure"
+#line 3885 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -4025,11 +3892,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4029: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3896: \"$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 4033 "configure"
+#line 3900 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -4040,7 +3907,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4044: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3911: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -4060,7 +3927,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4064 "configure"
+#line 3931 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -4073,7 +3940,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:4077: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3944: \"$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
@@ -4123,12 +3990,12 @@ fi
 
 MATH_LIBS=""
 echo $ac_n "checking for sin""... $ac_c" 1>&6
-echo "configure:4127: checking for sin" >&5
+echo "configure:3994: checking for sin" >&5
 if eval "test \"`echo '$''{'ac_cv_func_sin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4132 "configure"
+#line 3999 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char sin(); below.  */
@@ -4151,7 +4018,7 @@ sin();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4155: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4022: \"$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
@@ -4172,7 +4039,7 @@ MATH_LIBS="-lm"
 fi
 
 echo $ac_n "checking for main in -lieee""... $ac_c" 1>&6
-echo "configure:4176: checking for main in -lieee" >&5
+echo "configure:4043: checking for main in -lieee" >&5
 ac_lib_var=`echo ieee'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4180,14 +4047,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lieee  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4184 "configure"
+#line 4051 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4191: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4058: \"$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
@@ -4218,7 +4085,7 @@ fi
 libbsd=no
 if test "`uname -s`" = "AIX" ; then
     echo $ac_n "checking for gettimeofday in -lbsd""... $ac_c" 1>&6
-echo "configure:4222: checking for gettimeofday in -lbsd" >&5
+echo "configure:4089: checking for gettimeofday in -lbsd" >&5
 ac_lib_var=`echo bsd'_'gettimeofday | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4226,7 +4093,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4230 "configure"
+#line 4097 "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
@@ -4237,7 +4104,7 @@ int main() {
 gettimeofday()
 ; return 0; }
 EOF
-if { (eval echo configure:4241: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4108: \"$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
@@ -4268,9 +4135,9 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking stdlib.h""... $ac_c" 1>&6
-echo "configure:4272: checking stdlib.h" >&5
+echo "configure:4139: checking stdlib.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4274 "configure"
+#line 4141 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -4285,7 +4152,7 @@ fi
 rm -f conftest*
 
 cat > conftest.$ac_ext <<EOF
-#line 4289 "configure"
+#line 4156 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -4299,7 +4166,7 @@ fi
 rm -f conftest*
 
 cat > conftest.$ac_ext <<EOF
-#line 4303 "configure"
+#line 4170 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -4331,16 +4198,16 @@ echo "$ac_t""$tk_ok" 1>&6
 #--------------------------------------------------------------------
 
 echo $ac_n "checking fd_set and sys/select""... $ac_c" 1>&6
-echo "configure:4335: checking fd_set and sys/select" >&5
+echo "configure:4202: checking fd_set and sys/select" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4337 "configure"
+#line 4204 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int main() {
 fd_set readMask, writeMask;
 ; return 0; }
 EOF
-if { (eval echo configure:4344: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4211: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tk_ok=yes
 else
@@ -4352,7 +4219,7 @@ fi
 rm -f conftest*
 if test $tk_ok = no; then
     cat > conftest.$ac_ext <<EOF
-#line 4356 "configure"
+#line 4223 "configure"
 #include "confdefs.h"
 #include <sys/select.h>
 EOF
@@ -4384,12 +4251,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:4388: checking for ANSI C header files" >&5
+echo "configure:4255: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4393 "configure"
+#line 4260 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -4397,7 +4264,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4401: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4268: \"$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*
@@ -4414,7 +4281,7 @@ 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 4418 "configure"
+#line 4285 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -4432,7 +4299,7 @@ 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 4436 "configure"
+#line 4303 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -4453,7 +4320,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 4457 "configure"
+#line 4324 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -4464,7 +4331,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:4468: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4335: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -4488,12 +4355,12 @@ EOF
 fi
 
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:4492: checking for mode_t" >&5
+echo "configure:4359: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4497 "configure"
+#line 4364 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4521,12 +4388,12 @@ EOF
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:4525: checking for pid_t" >&5
+echo "configure:4392: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4530 "configure"
+#line 4397 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4554,12 +4421,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:4558: checking for size_t" >&5
+echo "configure:4425: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4563 "configure"
+#line 4430 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4587,12 +4454,12 @@ EOF
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:4591: checking for uid_t in sys/types.h" >&5
+echo "configure:4458: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4596 "configure"
+#line 4463 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -4629,17 +4496,17 @@ 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:4633: checking for $ac_hdr" >&5
+echo "configure:4500: 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 4638 "configure"
+#line 4505 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4643: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4510: \"$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*
@@ -4666,12 +4533,12 @@ fi
 done
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4670: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:4537: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4675 "configure"
+#line 4542 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -4680,7 +4547,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:4684: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4551: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -4706,16 +4573,16 @@ fi
 #-------------------------------------------
 
 echo $ac_n "checking pw_gecos in struct pwd""... $ac_c" 1>&6
-echo "configure:4710: checking pw_gecos in struct pwd" >&5
+echo "configure:4577: checking pw_gecos in struct pwd" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4712 "configure"
+#line 4579 "configure"
 #include "confdefs.h"
 #include <pwd.h>
 int main() {
 struct passwd pwd; pwd.pw_gecos;
 ; return 0; }
 EOF
-if { (eval echo configure:4719: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4586: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tk_ok=yes
 else
@@ -4783,7 +4650,7 @@ else
 # 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:4787: checking for X" >&5
+echo "configure:4654: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -4845,12 +4712,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 4849 "configure"
+#line 4716 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4854: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4721: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4919,14 +4786,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4923 "configure"
+#line 4790 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:4930: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4797: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -5016,12 +4883,12 @@ fi
     if test "$no_x" = ""; then
 	if test "$x_includes" = ""; then
 	    cat > conftest.$ac_ext <<EOF
-#line 5020 "configure"
+#line 4887 "configure"
 #include "confdefs.h"
 #include <X11/XIntrinsic.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5025: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4892: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -5041,15 +4908,15 @@ rm -f conftest*
     fi
     if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
 	echo $ac_n "checking for X11 header files""... $ac_c" 1>&6
-echo "configure:5045: checking for X11 header files" >&5
+echo "configure:4912: checking for X11 header files" >&5
 	found_xincludes="no"
 	cat > conftest.$ac_ext <<EOF
-#line 5048 "configure"
+#line 4915 "configure"
 #include "confdefs.h"
 #include <X11/Intrinsic.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5053: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4920: \"$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*
@@ -5085,7 +4952,7 @@ rm -f conftest*
 
     if test "$no_x" = yes; then
 	echo $ac_n "checking for X11 libraries""... $ac_c" 1>&6
-echo "configure:5089: checking for X11 libraries" >&5
+echo "configure:4956: 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 $dirs ; do
@@ -5105,7 +4972,7 @@ echo "configure:5089: checking for X11 libraries" >&5
     fi
     if test "$XLIBSW" = nope ; then
 	echo $ac_n "checking for XCreateWindow in -lXwindow""... $ac_c" 1>&6
-echo "configure:5109: checking for XCreateWindow in -lXwindow" >&5
+echo "configure:4976: checking for XCreateWindow in -lXwindow" >&5
 ac_lib_var=`echo Xwindow'_'XCreateWindow | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5113,7 +4980,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXwindow  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5117 "configure"
+#line 4984 "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
@@ -5124,7 +4991,7 @@ int main() {
 XCreateWindow()
 ; return 0; }
 EOF
-if { (eval echo configure:5128: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4995: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5201,7 +5068,7 @@ eval "LD_SEARCH_FLAGS=\"$TCL_LD_SEARCH_FLAGS\""
 
 if test $tk_aqua = no; then
     echo $ac_n "checking for main in -lXbsd""... $ac_c" 1>&6
-echo "configure:5205: checking for main in -lXbsd" >&5
+echo "configure:5072: checking for main in -lXbsd" >&5
 ac_lib_var=`echo Xbsd'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5209,14 +5076,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5213 "configure"
+#line 5080 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5220: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5087: \"$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
@@ -5240,12 +5107,12 @@ fi
 
 tk_checkBoth=0
 echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:5244: checking for connect" >&5
+echo "configure:5111: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5249 "configure"
+#line 5116 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -5268,7 +5135,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5272: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5139: \"$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
@@ -5290,7 +5157,7 @@ fi
 
 if test "$tk_checkSocket" = 1; then
     echo $ac_n "checking for main in -lsocket""... $ac_c" 1>&6
-echo "configure:5294: checking for main in -lsocket" >&5
+echo "configure:5161: checking for main in -lsocket" >&5
 ac_lib_var=`echo socket'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5298,14 +5165,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5302 "configure"
+#line 5169 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5309: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5176: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5331,12 +5198,12 @@ if test "$tk_checkBoth" = 1; then
     tk_oldLibs=$LIBS
     LIBS="$LIBS -lsocket -lnsl"
     echo $ac_n "checking for accept""... $ac_c" 1>&6
-echo "configure:5335: checking for accept" >&5
+echo "configure:5202: checking for accept" >&5
 if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5340 "configure"
+#line 5207 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char accept(); below.  */
@@ -5359,7 +5226,7 @@ accept();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5363: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5230: \"$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
@@ -5381,12 +5248,12 @@ fi
 
 fi
 echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:5385: checking for gethostbyname" >&5
+echo "configure:5252: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5390 "configure"
+#line 5257 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -5409,7 +5276,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5413: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5280: \"$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
@@ -5427,7 +5294,7 @@ 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""... $ac_c" 1>&6
-echo "configure:5431: checking for main in -lnsl" >&5
+echo "configure:5298: checking for main in -lnsl" >&5
 ac_lib_var=`echo nsl'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5435,14 +5302,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5439 "configure"
+#line 5306 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5446: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5313: \"$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
@@ -5478,13 +5345,13 @@ fi
 
 if test -d /usr/include/mit -a $tk_aqua = no; then
     echo $ac_n "checking MIT X libraries""... $ac_c" 1>&6
-echo "configure:5482: checking MIT X libraries" >&5
+echo "configure:5349: checking MIT X libraries" >&5
     tk_oldCFlags=$CFLAGS
     CFLAGS="$CFLAGS -I/usr/include/mit"
     tk_oldLibs=$LIBS
     LIBS="$LIBS -lX11-mit"
     cat > conftest.$ac_ext <<EOF
-#line 5488 "configure"
+#line 5355 "configure"
 #include "confdefs.h"
 
 	#include <X11/Xlib.h>
@@ -5495,7 +5362,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5499: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5366: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   
 	echo "$ac_t""yes" 1>&6
@@ -5519,14 +5386,14 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:5523: checking whether char is unsigned" >&5
+echo "configure:5390: checking whether char is unsigned" >&5
 if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 5530 "configure"
+#line 5397 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -5548,7 +5415,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5552 "configure"
+#line 5419 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -5558,7 +5425,7 @@ main() {
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:5562: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5429: \"$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
@@ -5591,12 +5458,12 @@ fi
 
 
     echo $ac_n "checking for strtod""... $ac_c" 1>&6
-echo "configure:5595: checking for strtod" >&5
+echo "configure:5462: checking for strtod" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5600 "configure"
+#line 5467 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtod(); below.  */
@@ -5619,7 +5486,7 @@ strtod();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5623: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5490: \"$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
@@ -5641,7 +5508,7 @@ fi
 
     if test "$tcl_strtod" = 1; then
 	echo $ac_n "checking for Solaris2.4/Tru64 strtod bugs""... $ac_c" 1>&6
-echo "configure:5645: checking for Solaris2.4/Tru64 strtod bugs" >&5
+echo "configure:5512: checking for Solaris2.4/Tru64 strtod bugs" >&5
 	if eval "test \"`echo '$''{'tcl_cv_strtod_buggy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5650,7 +5517,7 @@ else
   tcl_cv_strtod_buggy=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 5654 "configure"
+#line 5521 "configure"
 #include "confdefs.h"
 
 		extern double strtod();
@@ -5673,7 +5540,7 @@ else
 		    exit(0);
 		}
 EOF
-if { (eval echo configure:5677: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5544: \"$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
@@ -5736,7 +5603,7 @@ WISH_RSRC_FILE='wish$(VERSION).rsrc'
 if test "`uname -s`" = "Darwin" ; then
     
     echo $ac_n "checking how to package libraries""... $ac_c" 1>&6
-echo "configure:5740: checking how to package libraries" >&5
+echo "configure:5607: checking how to package libraries" >&5
     # Check whether --enable-framework or --disable-framework was given.
 if test "${enable_framework+set}" = set; then
   enableval="$enable_framework"
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 4749011..1d59355 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -484,43 +484,6 @@ AC_DEFUN(SC_ENABLE_THREADS, [
 	AC_CHECK_FUNCS(pthread_attr_setstacksize)
 	AC_CHECK_FUNCS(pthread_atfork)
 	LIBS=$ac_saved_libs
-	AC_CHECK_FUNCS(readdir_r)
-	if test "x$ac_cv_func_readdir_r" = "xyes"; then
-            AC_MSG_CHECKING([how many args readdir_r takes])
-	    # IRIX 5.3 has a 2 arg version of readdir_r
-	    # while other systems have a 3 arg version.
-	    AC_CACHE_VAL(tcl_cv_two_arg_readdir_r,
-	        AC_TRY_COMPILE([#include <stdlib.h>
-#include <sys/types.h>
-#ifdef NO_DIRENT_H
-# include <sys/dir.h>  /* logic from tcl/compat/dirent.h *
-# define dirent direct  *                                */
-#else
-# include <dirent.h>
-#endif
-], [readdir_r(NULL, NULL);],
-	        tcl_cv_two_arg_readdir_r=yes, tcl_cv_two_arg_readdir_r=no))
-	    AC_CACHE_VAL(tcl_cv_three_arg_readdir_r,
-	        AC_TRY_COMPILE([#include <stdlib.h>
-#include <sys/types.h>
-#ifdef NO_DIRENT_H
-# include <sys/dir.h>  /* logic from tcl/compat/dirent.h *
-# define dirent direct  *                                */
-#else
-# include <dirent.h>
-#endif
-], [readdir_r(NULL, NULL, NULL);],
-	        tcl_cv_three_arg_readdir_r=yes, tcl_cv_three_arg_readdir_r=no))
-	    if test "x$tcl_cv_two_arg_readdir_r" = "xyes" ; then
-                AC_MSG_RESULT([2])
-	        AC_DEFINE(HAVE_TWO_ARG_READDIR_R)
-	    elif test "x$tcl_cv_three_arg_readdir_r" = "xyes" ; then
-                AC_MSG_RESULT([3])
-	        AC_DEFINE(HAVE_THREE_ARG_READDIR_R)
-	    else
-	        AC_MSG_ERROR([unknown number of args for readdir_r])
-	    fi
-	fi
     else
 	TCL_THREADS=0
 	AC_MSG_RESULT([no (default)])
@@ -896,9 +859,14 @@ dnl AC_CHECK_TOOL(AR, ar)
 	AIX-*)
 	    if test "${TCL_THREADS}" = "1" -a "$GCC" != "yes" ; then
 		# AIX requires the _r compiler when gcc isn't being used
-		if test "${CC}" != "cc_r" ; then
-		    CC=${CC}_r
-		fi
+		case "${CC}" in
+		    *_r)
+			# ok ...
+			;;
+		    *)
+			CC=${CC}_r
+			;;
+		esac
 		AC_MSG_RESULT([Using $CC for compiling with threads])
 	    fi
 	    LIBS="$LIBS -lc"