From fe96f0fa28a0a74e364c71258018723dccbe1e92 Mon Sep 17 00:00:00 2001
From: mdejong <mdejong>
Date: Mon, 22 Nov 2004 22:48:24 +0000
Subject: 	* unix/configure: Regen. 	* unix/tcl.m4
 (SC_ENABLE_THREADS): Check for a 2 	argument version of readdir_r that is
 known to 	exists under IRIX 5.3. 	* unix/tclUnixThrd.c (TclpReaddir):
 Use either 	2 arg or 3 arg version of readdir_r. 	[Bug 1001325]

---
 ChangeLog          |  10 +
 unix/configure     | 709 +++++++++++++++++++++++++++++------------------------
 unix/tcl.m4        |  19 ++
 unix/tclUnixThrd.c |   6 +-
 4 files changed, 421 insertions(+), 323 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 45cb532..d16dada 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2004-11-22  Mo DeJong  <mdejong@users.sourceforge.net>
+
+	* unix/configure: Regen.
+	* unix/tcl.m4 (SC_ENABLE_THREADS): Check for a 2
+	argument version of readdir_r that is known to
+	exists under IRIX 5.3.
+	* unix/tclUnixThrd.c (TclpReaddir): Use either
+	2 arg or 3 arg version of readdir_r.
+	[Bug 1001325]
+
 2004-11-19  Reinhard Max  <max@suse.de>
 
 	*** 8.4.8 TAGGED FOR RELEASE ***
diff --git a/unix/configure b/unix/configure
index 1f45906..d3f7ab7 100755
--- a/unix/configure
+++ b/unix/configure
@@ -1303,6 +1303,71 @@ else
 fi
 done
 
+	if test "x$ac_cv_func_readdir_r" = "xyes"; then
+	    # IRIX 5.3 has a 2 arg version of readdir_r
+	    # while other systems have a 3 arg version.
+	    if eval "test \"`echo '$''{'tcl_cv_two_arg_readdir_r'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1314 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/dir.h>
+int main() {
+readdir_r(NULL, NULL);
+; return 0; }
+EOF
+if { (eval echo configure:1322: \"$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 1338 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/dir.h>
+int main() {
+readdir_r(NULL, NULL, NULL);
+; return 0; }
+EOF
+if { (eval echo configure:1346: \"$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$tcl_cv_two_arg_readdir_r" = "xyes" ; then
+	        cat >> confdefs.h <<\EOF
+#define HAVE_TWO_ARG_READDIR_R 1
+EOF
+
+	    elif test "x$tcl_cv_three_arg_readdir_r" = "xyes" ; then
+	        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 "$ac_t""no (default)" 1>&6
@@ -1318,18 +1383,18 @@ done
 if test -z "$no_pipe"; then
 if test -n "$GCC"; then
   echo $ac_n "checking if the compiler understands -pipe""... $ac_c" 1>&6
-echo "configure:1322: checking if the compiler understands -pipe" >&5
+echo "configure:1387: checking if the compiler understands -pipe" >&5
   OLDCC="$CC"  
   CC="$CC -pipe"
   cat > conftest.$ac_ext <<EOF
-#line 1326 "configure"
+#line 1391 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1333: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1398: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 else
@@ -1348,7 +1413,7 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1352: checking how to run the C preprocessor" >&5
+echo "configure:1417: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1363,13 +1428,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1367 "configure"
+#line 1432 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1373: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1438: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1380,13 +1445,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1384 "configure"
+#line 1449 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1390: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1455: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1397,13 +1462,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1401 "configure"
+#line 1466 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1407: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1472: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1436,12 +1501,12 @@ echo "$ac_t""$CPP" 1>&6
     #--------------------------------------------------------------------
 
     echo $ac_n "checking for sin""... $ac_c" 1>&6
-echo "configure:1440: checking for sin" >&5
+echo "configure:1505: checking for sin" >&5
 if eval "test \"`echo '$''{'ac_cv_func_sin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1445 "configure"
+#line 1510 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char sin(); below.  */
@@ -1464,7 +1529,7 @@ sin();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1468: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1533: \"$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
@@ -1485,7 +1550,7 @@ MATH_LIBS="-lm"
 fi
 
     echo $ac_n "checking for main in -lieee""... $ac_c" 1>&6
-echo "configure:1489: checking for main in -lieee" >&5
+echo "configure:1554: checking for main in -lieee" >&5
 ac_lib_var=`echo ieee'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1493,14 +1558,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lieee  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1497 "configure"
+#line 1562 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1504: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1569: \"$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
@@ -1527,7 +1592,7 @@ fi
     #--------------------------------------------------------------------
 
     echo $ac_n "checking for main in -linet""... $ac_c" 1>&6
-echo "configure:1531: checking for main in -linet" >&5
+echo "configure:1596: checking for main in -linet" >&5
 ac_lib_var=`echo inet'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1535,14 +1600,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-linet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1539 "configure"
+#line 1604 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:1546: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1611: \"$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
@@ -1564,17 +1629,17 @@ fi
 
     ac_safe=`echo "net/errno.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for net/errno.h""... $ac_c" 1>&6
-echo "configure:1568: checking for net/errno.h" >&5
+echo "configure:1633: checking for net/errno.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1573 "configure"
+#line 1638 "configure"
 #include "confdefs.h"
 #include <net/errno.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1578: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1643: \"$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*
@@ -1619,12 +1684,12 @@ fi
 
     tcl_checkBoth=0
     echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:1623: checking for connect" >&5
+echo "configure:1688: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1628 "configure"
+#line 1693 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -1647,7 +1712,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1651: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1716: \"$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
@@ -1669,12 +1734,12 @@ fi
 
     if test "$tcl_checkSocket" = 1; then
 	echo $ac_n "checking for setsockopt""... $ac_c" 1>&6
-echo "configure:1673: checking for setsockopt" >&5
+echo "configure:1738: checking for setsockopt" >&5
 if eval "test \"`echo '$''{'ac_cv_func_setsockopt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1678 "configure"
+#line 1743 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char setsockopt(); below.  */
@@ -1697,7 +1762,7 @@ setsockopt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1701: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1766: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_setsockopt=yes"
 else
@@ -1715,7 +1780,7 @@ if eval "test \"`echo '$ac_cv_func_'setsockopt`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for setsockopt in -lsocket""... $ac_c" 1>&6
-echo "configure:1719: checking for setsockopt in -lsocket" >&5
+echo "configure:1784: checking for setsockopt in -lsocket" >&5
 ac_lib_var=`echo socket'_'setsockopt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1723,7 +1788,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1727 "configure"
+#line 1792 "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
@@ -1734,7 +1799,7 @@ int main() {
 setsockopt()
 ; return 0; }
 EOF
-if { (eval echo configure:1738: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1803: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1762,12 +1827,12 @@ fi
 	tk_oldLibs=$LIBS
 	LIBS="$LIBS -lsocket -lnsl"
 	echo $ac_n "checking for accept""... $ac_c" 1>&6
-echo "configure:1766: checking for accept" >&5
+echo "configure:1831: checking for accept" >&5
 if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1771 "configure"
+#line 1836 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char accept(); below.  */
@@ -1790,7 +1855,7 @@ accept();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1794: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1859: \"$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
@@ -1812,12 +1877,12 @@ fi
 
     fi
     echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:1816: checking for gethostbyname" >&5
+echo "configure:1881: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1821 "configure"
+#line 1886 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -1840,7 +1905,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1844: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1909: \"$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
@@ -1858,7 +1923,7 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:1862: checking for gethostbyname in -lnsl" >&5
+echo "configure:1927: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1866,7 +1931,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1870 "configure"
+#line 1935 "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
@@ -1877,7 +1942,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:1881: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1946: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1914,7 +1979,7 @@ LIBS="$LIBS$THREADS_LIBS"
 
 
     echo $ac_n "checking how to build libraries""... $ac_c" 1>&6
-echo "configure:1918: checking how to build libraries" >&5
+echo "configure:1983: checking how to build libraries" >&5
     # Check whether --enable-shared or --disable-shared was given.
 if test "${enable_shared+set}" = set; then
   enableval="$enable_shared"
@@ -1953,7 +2018,7 @@ 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:1957: checking for $ac_word" >&5
+echo "configure:2022: 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
@@ -1985,7 +2050,7 @@ fi
     # Step 0.a: Enable 64 bit support?
 
     echo $ac_n "checking if 64bit support is requested""... $ac_c" 1>&6
-echo "configure:1989: checking if 64bit support is requested" >&5
+echo "configure:2054: checking if 64bit support is requested" >&5
     # Check whether --enable-64bit or --disable-64bit was given.
 if test "${enable_64bit+set}" = set; then
   enableval="$enable_64bit"
@@ -2005,7 +2070,7 @@ fi
     # Step 0.b: Enable Solaris 64 bit VIS support?
 
     echo $ac_n "checking if 64bit Sparc VIS support is requested""... $ac_c" 1>&6
-echo "configure:2009: checking if 64bit Sparc VIS support is requested" >&5
+echo "configure:2074: checking if 64bit Sparc VIS support is requested" >&5
     # Check whether --enable-64bit-vis or --disable-64bit-vis was given.
 if test "${enable_64bit_vis+set}" = set; then
   enableval="$enable_64bit_vis"
@@ -2029,7 +2094,7 @@ 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:2033: checking system version (for dynamic loading)" >&5
+echo "configure:2098: 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
@@ -2055,7 +2120,7 @@ echo "configure:2033: 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""... $ac_c" 1>&6
-echo "configure:2059: checking for dlopen in -ldl" >&5
+echo "configure:2124: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2063,7 +2128,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2067 "configure"
+#line 2132 "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
@@ -2074,7 +2139,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:2078: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2143: \"$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
@@ -2122,7 +2187,7 @@ 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:2126: checking for $ac_word" >&5
+echo "configure:2191: 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
@@ -2263,7 +2328,7 @@ fi
 	    # known GMT value.
 
 	    echo $ac_n "checking for gettimeofday in -lbsd""... $ac_c" 1>&6
-echo "configure:2267: checking for gettimeofday in -lbsd" >&5
+echo "configure:2332: checking for gettimeofday in -lbsd" >&5
 ac_lib_var=`echo bsd'_'gettimeofday | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2271,7 +2336,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2275 "configure"
+#line 2340 "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
@@ -2282,7 +2347,7 @@ int main() {
 gettimeofday()
 ; return 0; }
 EOF
-if { (eval echo configure:2286: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2351: \"$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
@@ -2325,7 +2390,7 @@ EOF
 	    # is always linked to, for compatibility.
 	    #-----------------------------------------------------------
 	    echo $ac_n "checking for inet_ntoa in -lbind""... $ac_c" 1>&6
-echo "configure:2329: checking for inet_ntoa in -lbind" >&5
+echo "configure:2394: checking for inet_ntoa in -lbind" >&5
 ac_lib_var=`echo bind'_'inet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2333,7 +2398,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbind  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2337 "configure"
+#line 2402 "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
@@ -2344,7 +2409,7 @@ int main() {
 inet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:2348: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2413: \"$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
@@ -2410,7 +2475,7 @@ EOF
 
 	    SHLIB_SUFFIX=".sl"
 	    echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:2414: checking for shl_load in -ldld" >&5
+echo "configure:2479: checking for shl_load in -ldld" >&5
 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2418,7 +2483,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2422 "configure"
+#line 2487 "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
@@ -2429,7 +2494,7 @@ int main() {
 shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:2433: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2498: \"$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
@@ -2498,7 +2563,7 @@ fi
 	HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
 	    SHLIB_SUFFIX=".sl"
 	    echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:2502: checking for shl_load in -ldld" >&5
+echo "configure:2567: checking for shl_load in -ldld" >&5
 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2506,7 +2571,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2510 "configure"
+#line 2575 "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
@@ -2517,7 +2582,7 @@ int main() {
 shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:2521: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2586: \"$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
@@ -2641,17 +2706,17 @@ fi
 	    else
 		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dld.h""... $ac_c" 1>&6
-echo "configure:2645: checking for dld.h" >&5
+echo "configure:2710: checking for dld.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2650 "configure"
+#line 2715 "configure"
 #include "confdefs.h"
 #include <dld.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2655: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2720: \"$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*
@@ -2715,17 +2780,17 @@ EOF
 	    else
 		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dld.h""... $ac_c" 1>&6
-echo "configure:2719: checking for dld.h" >&5
+echo "configure:2784: checking for dld.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2724 "configure"
+#line 2789 "configure"
 #include "confdefs.h"
 #include <dld.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2729: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2794: \"$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*
@@ -2781,17 +2846,17 @@ 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""... $ac_c" 1>&6
-echo "configure:2785: checking for dlfcn.h" >&5
+echo "configure:2850: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2790 "configure"
+#line 2855 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2795: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2860: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2818,9 +2883,9 @@ if eval "test \"`echo '$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""... $ac_c" 1>&6
-echo "configure:2822: checking for ELF" >&5
+echo "configure:2887: checking for ELF" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 2824 "configure"
+#line 2889 "configure"
 #include "confdefs.h"
 
 #ifdef __ELF__
@@ -2872,9 +2937,9 @@ fi
 	    CC_SEARCH_FLAGS=""
 	    LD_SEARCH_FLAGS=""
 	    echo $ac_n "checking for ELF""... $ac_c" 1>&6
-echo "configure:2876: checking for ELF" >&5
+echo "configure:2941: checking for ELF" >&5
 	    cat > conftest.$ac_ext <<EOF
-#line 2878 "configure"
+#line 2943 "configure"
 #include "confdefs.h"
 
 #ifdef __ELF__
@@ -3220,17 +3285,17 @@ EOF
 	    # that don't grok the -Bexport option.  Test that it does.
 	    hold_ldflags=$LDFLAGS
 	    echo $ac_n "checking for ld accepts -Bexport flag""... $ac_c" 1>&6
-echo "configure:3224: checking for ld accepts -Bexport flag" >&5
+echo "configure:3289: checking for ld accepts -Bexport flag" >&5
 	    LDFLAGS="$LDFLAGS -Wl,-Bexport"
 	    cat > conftest.$ac_ext <<EOF
-#line 3227 "configure"
+#line 3292 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:3234: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3299: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   found=yes
 else
@@ -3271,9 +3336,9 @@ rm -f conftest*
 
     if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
 	echo $ac_n "checking sys/exec.h""... $ac_c" 1>&6
-echo "configure:3275: checking sys/exec.h" >&5
+echo "configure:3340: checking sys/exec.h" >&5
 	cat > conftest.$ac_ext <<EOF
-#line 3277 "configure"
+#line 3342 "configure"
 #include "confdefs.h"
 #include <sys/exec.h>
 int main() {
@@ -3291,7 +3356,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:3295: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3360: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -3309,9 +3374,9 @@ EOF
 
 	else
 	    echo $ac_n "checking a.out.h""... $ac_c" 1>&6
-echo "configure:3313: checking a.out.h" >&5
+echo "configure:3378: checking a.out.h" >&5
 	    cat > conftest.$ac_ext <<EOF
-#line 3315 "configure"
+#line 3380 "configure"
 #include "confdefs.h"
 #include <a.out.h>
 int main() {
@@ -3329,7 +3394,7 @@ int main() {
 	    
 ; return 0; }
 EOF
-if { (eval echo configure:3333: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3398: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -3347,9 +3412,9 @@ EOF
 
 	    else
 		echo $ac_n "checking sys/exec_aout.h""... $ac_c" 1>&6
-echo "configure:3351: checking sys/exec_aout.h" >&5
+echo "configure:3416: checking sys/exec_aout.h" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 3353 "configure"
+#line 3418 "configure"
 #include "confdefs.h"
 #include <sys/exec_aout.h>
 int main() {
@@ -3367,7 +3432,7 @@ int main() {
 		
 ; return 0; }
 EOF
-if { (eval echo configure:3371: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3436: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -3518,7 +3583,7 @@ fi
 
 
     echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:3522: checking for build with symbols" >&5
+echo "configure:3587: checking for build with symbols" >&5
     # Check whether --enable-symbols or --disable-symbols was given.
 if test "${enable_symbols+set}" = set; then
   enableval="$enable_symbols"
@@ -3579,21 +3644,21 @@ TCL_DBGX=${DBGX}
 
 
     echo $ac_n "checking for required early compiler flags""... $ac_c" 1>&6
-echo "configure:3583: checking for required early compiler flags" >&5
+echo "configure:3648: 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 3590 "configure"
+#line 3655 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int main() {
 char *p = (char *)strtoll; char *q = (char *)strtoull;
 ; return 0; }
 EOF
-if { (eval echo configure:3597: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__isoc99_source=no
 else
@@ -3601,7 +3666,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3605 "configure"
+#line 3670 "configure"
 #include "confdefs.h"
 #define _ISOC99_SOURCE 1
 #include <stdlib.h>
@@ -3609,7 +3674,7 @@ int main() {
 char *p = (char *)strtoll; char *q = (char *)strtoull;
 ; return 0; }
 EOF
-if { (eval echo configure:3613: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3678: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__isoc99_source=yes
 else
@@ -3635,14 +3700,14 @@ EOF
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3639 "configure"
+#line 3704 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
 struct stat64 buf; int i = stat64("/", &buf);
 ; return 0; }
 EOF
-if { (eval echo configure:3646: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3711: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__largefile64_source=no
 else
@@ -3650,7 +3715,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3654 "configure"
+#line 3719 "configure"
 #include "confdefs.h"
 #define _LARGEFILE64_SOURCE 1
 #include <sys/stat.h>
@@ -3658,7 +3723,7 @@ int main() {
 struct stat64 buf; int i = stat64("/", &buf);
 ; return 0; }
 EOF
-if { (eval echo configure:3662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3727: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_flag__largefile64_source=yes
 else
@@ -3687,7 +3752,7 @@ EOF
 
 
     echo $ac_n "checking for 64-bit integer type""... $ac_c" 1>&6
-echo "configure:3691: checking for 64-bit integer type" >&5
+echo "configure:3756: checking for 64-bit integer type" >&5
     if eval "test \"`echo '$''{'tcl_cv_type_64bit'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3695,14 +3760,14 @@ else
 	tcl_cv_type_64bit=none
 	# See if the compiler knows natively about __int64
 	cat > conftest.$ac_ext <<EOF
-#line 3699 "configure"
+#line 3764 "configure"
 #include "confdefs.h"
 
 int main() {
 __int64 value = (__int64) 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3706: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3771: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_type_64bit=__int64
 else
@@ -3716,7 +3781,7 @@ rm -f conftest*
 	# type that is our current guess for a 64-bit type inside this check
 	# program, so it should be modified only carefully...
         cat > conftest.$ac_ext <<EOF
-#line 3720 "configure"
+#line 3785 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -3725,7 +3790,7 @@ switch (0) {
         }
 ; return 0; }
 EOF
-if { (eval echo configure:3729: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3794: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_type_64bit=${tcl_type_64bit}
 else
@@ -3750,13 +3815,13 @@ EOF
 
 	# Now check for auxiliary declarations
 	echo $ac_n "checking for struct dirent64""... $ac_c" 1>&6
-echo "configure:3754: checking for struct dirent64" >&5
+echo "configure:3819: checking for struct dirent64" >&5
 	if eval "test \"`echo '$''{'tcl_cv_struct_dirent64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 3760 "configure"
+#line 3825 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/dirent.h>
@@ -3764,7 +3829,7 @@ int main() {
 struct dirent64 p;
 ; return 0; }
 EOF
-if { (eval echo configure:3768: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3833: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_struct_dirent64=yes
 else
@@ -3785,13 +3850,13 @@ EOF
 	echo "$ac_t""${tcl_cv_struct_dirent64}" 1>&6
 
 	echo $ac_n "checking for struct stat64""... $ac_c" 1>&6
-echo "configure:3789: checking for struct stat64" >&5
+echo "configure:3854: checking for struct stat64" >&5
 	if eval "test \"`echo '$''{'tcl_cv_struct_stat64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 3795 "configure"
+#line 3860 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
@@ -3799,7 +3864,7 @@ struct stat64 p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:3803: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3868: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_struct_stat64=yes
 else
@@ -3820,13 +3885,13 @@ EOF
 	echo "$ac_t""${tcl_cv_struct_stat64}" 1>&6
 
 	echo $ac_n "checking for off64_t""... $ac_c" 1>&6
-echo "configure:3824: checking for off64_t" >&5
+echo "configure:3889: checking for off64_t" >&5
 	if eval "test \"`echo '$''{'tcl_cv_type_off64_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 3830 "configure"
+#line 3895 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int main() {
@@ -3834,7 +3899,7 @@ off64_t offset;
 
 ; return 0; }
 EOF
-if { (eval echo configure:3838: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3903: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_type_off64_t=yes
 else
@@ -3861,14 +3926,14 @@ EOF
 #--------------------------------------------------------------------
 
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:3865: checking whether byte ordering is bigendian" >&5
+echo "configure:3930: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'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 3872 "configure"
+#line 3937 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -3879,11 +3944,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:3883: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3948: \"$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 3887 "configure"
+#line 3952 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -3894,7 +3959,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:3898: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3963: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -3914,7 +3979,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 3918 "configure"
+#line 3983 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -3927,7 +3992,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:3931: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3996: \"$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
@@ -3960,12 +4025,12 @@ fi
 for ac_func in getcwd
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3964: checking for $ac_func" >&5
+echo "configure:4029: 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 3969 "configure"
+#line 4034 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3988,7 +4053,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3992: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4057: \"$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
@@ -4022,12 +4087,12 @@ done
 for ac_func in opendir strstr
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4026: checking for $ac_func" >&5
+echo "configure:4091: 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 4031 "configure"
+#line 4096 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4050,7 +4115,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4054: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4119: \"$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
@@ -4080,12 +4145,12 @@ done
 for ac_func in strtol strtoll strtoull tmpnam waitpid
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4084: checking for $ac_func" >&5
+echo "configure:4149: 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 4089 "configure"
+#line 4154 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4108,7 +4173,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4112: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4177: \"$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
@@ -4135,12 +4200,12 @@ done
 
 
 echo $ac_n "checking for strerror""... $ac_c" 1>&6
-echo "configure:4139: checking for strerror" >&5
+echo "configure:4204: checking for strerror" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strerror'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4144 "configure"
+#line 4209 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strerror(); below.  */
@@ -4163,7 +4228,7 @@ strerror();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4167: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4232: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strerror=yes"
 else
@@ -4187,12 +4252,12 @@ EOF
 fi
 
 echo $ac_n "checking for getwd""... $ac_c" 1>&6
-echo "configure:4191: checking for getwd" >&5
+echo "configure:4256: checking for getwd" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getwd'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4196 "configure"
+#line 4261 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getwd(); below.  */
@@ -4215,7 +4280,7 @@ getwd();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4219: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4284: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getwd=yes"
 else
@@ -4239,12 +4304,12 @@ EOF
 fi
 
 echo $ac_n "checking for wait3""... $ac_c" 1>&6
-echo "configure:4243: checking for wait3" >&5
+echo "configure:4308: checking for wait3" >&5
 if eval "test \"`echo '$''{'ac_cv_func_wait3'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4248 "configure"
+#line 4313 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char wait3(); below.  */
@@ -4267,7 +4332,7 @@ wait3();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4271: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4336: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_wait3=yes"
 else
@@ -4291,12 +4356,12 @@ EOF
 fi
 
 echo $ac_n "checking for uname""... $ac_c" 1>&6
-echo "configure:4295: checking for uname" >&5
+echo "configure:4360: checking for uname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_uname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4300 "configure"
+#line 4365 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char uname(); below.  */
@@ -4319,7 +4384,7 @@ uname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4323: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4388: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_uname=yes"
 else
@@ -4343,12 +4408,12 @@ EOF
 fi
 
 echo $ac_n "checking for realpath""... $ac_c" 1>&6
-echo "configure:4347: checking for realpath" >&5
+echo "configure:4412: checking for realpath" >&5
 if eval "test \"`echo '$''{'ac_cv_func_realpath'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4352 "configure"
+#line 4417 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char realpath(); below.  */
@@ -4371,7 +4436,7 @@ realpath();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4375: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4440: \"$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
@@ -4406,9 +4471,9 @@ fi
 
 
     echo $ac_n "checking dirent.h""... $ac_c" 1>&6
-echo "configure:4410: checking dirent.h" >&5
+echo "configure:4475: checking dirent.h" >&5
     cat > conftest.$ac_ext <<EOF
-#line 4412 "configure"
+#line 4477 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <dirent.h>
@@ -4434,7 +4499,7 @@ closedir(d);
 
 ; return 0; }
 EOF
-if { (eval echo configure:4438: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4503: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_ok=yes
 else
@@ -4455,17 +4520,17 @@ EOF
     echo "$ac_t""$tcl_ok" 1>&6
     ac_safe=`echo "errno.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for errno.h""... $ac_c" 1>&6
-echo "configure:4459: checking for errno.h" >&5
+echo "configure:4524: checking for errno.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4464 "configure"
+#line 4529 "configure"
 #include "confdefs.h"
 #include <errno.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4469: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4534: \"$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*
@@ -4492,17 +4557,17 @@ fi
 
     ac_safe=`echo "float.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for float.h""... $ac_c" 1>&6
-echo "configure:4496: checking for float.h" >&5
+echo "configure:4561: checking for float.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4501 "configure"
+#line 4566 "configure"
 #include "confdefs.h"
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4506: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4571: \"$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*
@@ -4529,17 +4594,17 @@ fi
 
     ac_safe=`echo "values.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for values.h""... $ac_c" 1>&6
-echo "configure:4533: checking for values.h" >&5
+echo "configure:4598: checking for values.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4538 "configure"
+#line 4603 "configure"
 #include "confdefs.h"
 #include <values.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4543: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4608: \"$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*
@@ -4566,17 +4631,17 @@ fi
 
     ac_safe=`echo "limits.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for limits.h""... $ac_c" 1>&6
-echo "configure:4570: checking for limits.h" >&5
+echo "configure:4635: checking for limits.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4575 "configure"
+#line 4640 "configure"
 #include "confdefs.h"
 #include <limits.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4580: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4645: \"$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*
@@ -4606,17 +4671,17 @@ fi
 
     ac_safe=`echo "stdlib.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for stdlib.h""... $ac_c" 1>&6
-echo "configure:4610: checking for stdlib.h" >&5
+echo "configure:4675: checking for stdlib.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4615 "configure"
+#line 4680 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4620: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4685: \"$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*
@@ -4639,7 +4704,7 @@ tcl_ok=0
 fi
 
     cat > conftest.$ac_ext <<EOF
-#line 4643 "configure"
+#line 4708 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -4653,7 +4718,7 @@ fi
 rm -f conftest*
 
     cat > conftest.$ac_ext <<EOF
-#line 4657 "configure"
+#line 4722 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -4667,7 +4732,7 @@ fi
 rm -f conftest*
 
     cat > conftest.$ac_ext <<EOF
-#line 4671 "configure"
+#line 4736 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -4688,17 +4753,17 @@ EOF
     fi
     ac_safe=`echo "string.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for string.h""... $ac_c" 1>&6
-echo "configure:4692: checking for string.h" >&5
+echo "configure:4757: checking for string.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4697 "configure"
+#line 4762 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4702: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4767: \"$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*
@@ -4721,7 +4786,7 @@ tcl_ok=0
 fi
 
     cat > conftest.$ac_ext <<EOF
-#line 4725 "configure"
+#line 4790 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -4735,7 +4800,7 @@ fi
 rm -f conftest*
 
     cat > conftest.$ac_ext <<EOF
-#line 4739 "configure"
+#line 4804 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -4761,17 +4826,17 @@ EOF
 
     ac_safe=`echo "sys/wait.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/wait.h""... $ac_c" 1>&6
-echo "configure:4765: checking for sys/wait.h" >&5
+echo "configure:4830: checking for sys/wait.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4770 "configure"
+#line 4835 "configure"
 #include "confdefs.h"
 #include <sys/wait.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4775: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4840: \"$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*
@@ -4798,17 +4863,17 @@ fi
 
     ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
-echo "configure:4802: checking for dlfcn.h" >&5
+echo "configure:4867: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4807 "configure"
+#line 4872 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4812: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4877: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4840,17 +4905,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4844: checking for $ac_hdr" >&5
+echo "configure:4909: 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 4849 "configure"
+#line 4914 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4854: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4919: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4890,17 +4955,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4894: checking for $ac_hdr" >&5
+echo "configure:4959: 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 4899 "configure"
+#line 4964 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4904: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4969: \"$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*
@@ -4927,7 +4992,7 @@ fi
 done
 
     echo $ac_n "checking termios vs. termio vs. sgtty""... $ac_c" 1>&6
-echo "configure:4931: checking termios vs. termio vs. sgtty" >&5
+echo "configure:4996: checking termios vs. termio vs. sgtty" >&5
     if eval "test \"`echo '$''{'tcl_cv_api_serial'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4936,7 +5001,7 @@ else
   tcl_cv_api_serial=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 4940 "configure"
+#line 5005 "configure"
 #include "confdefs.h"
 
 #include <termios.h>
@@ -4951,7 +5016,7 @@ int main() {
     return 1;
 }
 EOF
-if { (eval echo configure:4955: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5020: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=termios
 else
@@ -4968,7 +5033,7 @@ fi
   tcl_cv_api_serial=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 4972 "configure"
+#line 5037 "configure"
 #include "confdefs.h"
 
 #include <termio.h>
@@ -4982,7 +5047,7 @@ int main() {
     return 1;
 }
 EOF
-if { (eval echo configure:4986: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5051: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=termio
 else
@@ -5000,7 +5065,7 @@ fi
   tcl_cv_api_serial=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5004 "configure"
+#line 5069 "configure"
 #include "confdefs.h"
 
 #include <sgtty.h>
@@ -5015,7 +5080,7 @@ int main() {
     return 1;
 }
 EOF
-if { (eval echo configure:5019: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5084: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=sgtty
 else
@@ -5033,7 +5098,7 @@ fi
   tcl_cv_api_serial=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5037 "configure"
+#line 5102 "configure"
 #include "confdefs.h"
 
 #include <termios.h>
@@ -5050,7 +5115,7 @@ int main() {
     return 1;
 }
 EOF
-if { (eval echo configure:5054: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5119: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=termios
 else
@@ -5068,7 +5133,7 @@ fi
   tcl_cv_api_serial=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5072 "configure"
+#line 5137 "configure"
 #include "confdefs.h"
 
 #include <termio.h>
@@ -5084,7 +5149,7 @@ int main() {
     return 1;
     }
 EOF
-if { (eval echo configure:5088: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=termio
 else
@@ -5102,7 +5167,7 @@ fi
   tcl_cv_api_serial=none
 else
   cat > conftest.$ac_ext <<EOF
-#line 5106 "configure"
+#line 5171 "configure"
 #include "confdefs.h"
 
 #include <sgtty.h>
@@ -5119,7 +5184,7 @@ int main() {
     return 1;
 }
 EOF
-if { (eval echo configure:5123: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5188: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_api_serial=sgtty
 else
@@ -5162,19 +5227,19 @@ EOF
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for fd_set in sys/types""... $ac_c" 1>&6
-echo "configure:5166: checking for fd_set in sys/types" >&5
+echo "configure:5231: checking for fd_set in sys/types" >&5
 if eval "test \"`echo '$''{'tcl_cv_type_fd_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5171 "configure"
+#line 5236 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int main() {
 fd_set readMask, writeMask;
 ; return 0; }
 EOF
-if { (eval echo configure:5178: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5243: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_type_fd_set=yes
 else
@@ -5190,12 +5255,12 @@ echo "$ac_t""$tcl_cv_type_fd_set" 1>&6
 tk_ok=$tcl_cv_type_fd_set
 if test $tcl_cv_type_fd_set = no; then
     echo $ac_n "checking for fd_mask in sys/select""... $ac_c" 1>&6
-echo "configure:5194: checking for fd_mask in sys/select" >&5
+echo "configure:5259: checking for fd_mask in sys/select" >&5
     if eval "test \"`echo '$''{'tcl_cv_grep_fd_mask'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5199 "configure"
+#line 5264 "configure"
 #include "confdefs.h"
 #include <sys/select.h>
 EOF
@@ -5232,12 +5297,12 @@ fi
 #------------------------------------------------------------------------------
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:5236: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:5301: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5241 "configure"
+#line 5306 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -5245,7 +5310,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:5249: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5314: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -5270,17 +5335,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5274: checking for $ac_hdr" >&5
+echo "configure:5339: 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 5279 "configure"
+#line 5344 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5284: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5349: \"$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*
@@ -5307,12 +5372,12 @@ fi
 done
 
     echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:5311: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:5376: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5316 "configure"
+#line 5381 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -5321,7 +5386,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:5325: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5390: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -5342,12 +5407,12 @@ EOF
 fi
 
     echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:5346: checking for tm_zone in struct tm" >&5
+echo "configure:5411: checking for tm_zone in struct tm" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5351 "configure"
+#line 5416 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -5355,7 +5420,7 @@ int main() {
 struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:5359: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5424: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm_zone=yes
 else
@@ -5375,12 +5440,12 @@ EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:5379: checking for tzname" >&5
+echo "configure:5444: checking for tzname" >&5
 if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5384 "configure"
+#line 5449 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -5390,7 +5455,7 @@ int main() {
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:5394: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5459: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -5415,12 +5480,12 @@ fi
     for ac_func in gmtime_r localtime_r
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5419: checking for $ac_func" >&5
+echo "configure:5484: 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 5424 "configure"
+#line 5489 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5443,7 +5508,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5447: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5512: \"$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
@@ -5469,19 +5534,19 @@ done
 
 
     echo $ac_n "checking tm_tzadj in struct tm""... $ac_c" 1>&6
-echo "configure:5473: checking tm_tzadj in struct tm" >&5
+echo "configure:5538: checking tm_tzadj in struct tm" >&5
     if eval "test \"`echo '$''{'tcl_cv_member_tm_tzadj'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5478 "configure"
+#line 5543 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 struct tm tm; tm.tm_tzadj;
 ; return 0; }
 EOF
-if { (eval echo configure:5485: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5550: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_member_tm_tzadj=yes
 else
@@ -5502,19 +5567,19 @@ EOF
     fi
 
     echo $ac_n "checking tm_gmtoff in struct tm""... $ac_c" 1>&6
-echo "configure:5506: checking tm_gmtoff in struct tm" >&5
+echo "configure:5571: checking tm_gmtoff in struct tm" >&5
     if eval "test \"`echo '$''{'tcl_cv_member_tm_gmtoff'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5511 "configure"
+#line 5576 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 struct tm tm; tm.tm_gmtoff;
 ; return 0; }
 EOF
-if { (eval echo configure:5518: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5583: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_member_tm_gmtoff=yes
 else
@@ -5539,12 +5604,12 @@ EOF
     # (like convex) have timezone functions, etc.
     #
     echo $ac_n "checking long timezone variable""... $ac_c" 1>&6
-echo "configure:5543: checking long timezone variable" >&5
+echo "configure:5608: checking long timezone variable" >&5
     if eval "test \"`echo '$''{'tcl_cv_var_timezone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5548 "configure"
+#line 5613 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
@@ -5553,7 +5618,7 @@ extern long timezone;
 	    exit (0);
 ; return 0; }
 EOF
-if { (eval echo configure:5557: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5622: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_timezone_long=yes
 else
@@ -5576,12 +5641,12 @@ EOF
 	# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
 	#
 	echo $ac_n "checking time_t timezone variable""... $ac_c" 1>&6
-echo "configure:5580: checking time_t timezone variable" >&5
+echo "configure:5645: checking time_t timezone variable" >&5
 	if eval "test \"`echo '$''{'tcl_cv_timezone_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5585 "configure"
+#line 5650 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
@@ -5590,7 +5655,7 @@ extern time_t timezone;
 		exit (0);
 ; return 0; }
 EOF
-if { (eval echo configure:5594: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5659: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_timezone_time=yes
 else
@@ -5617,12 +5682,12 @@ EOF
 #	in struct stat.  But we might be able to use fstatfs instead.
 #--------------------------------------------------------------------
 echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
-echo "configure:5621: checking for st_blksize in struct stat" >&5
+echo "configure:5686: checking for st_blksize in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5626 "configure"
+#line 5691 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -5630,7 +5695,7 @@ int main() {
 struct stat s; s.st_blksize;
 ; return 0; }
 EOF
-if { (eval echo configure:5634: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5699: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blksize=yes
 else
@@ -5651,12 +5716,12 @@ EOF
 fi
 
 echo $ac_n "checking for fstatfs""... $ac_c" 1>&6
-echo "configure:5655: checking for fstatfs" >&5
+echo "configure:5720: checking for fstatfs" >&5
 if eval "test \"`echo '$''{'ac_cv_func_fstatfs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5660 "configure"
+#line 5725 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char fstatfs(); below.  */
@@ -5679,7 +5744,7 @@ fstatfs();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5683: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5748: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_fstatfs=yes"
 else
@@ -5708,7 +5773,7 @@ fi
 #       data, this checks it and add memcmp.o to LIBOBJS if needed
 #--------------------------------------------------------------------
 echo $ac_n "checking for 8-bit clean memcmp""... $ac_c" 1>&6
-echo "configure:5712: checking for 8-bit clean memcmp" >&5
+echo "configure:5777: checking for 8-bit clean memcmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_memcmp_clean'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5716,7 +5781,7 @@ else
   ac_cv_func_memcmp_clean=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5720 "configure"
+#line 5785 "configure"
 #include "confdefs.h"
 
 main()
@@ -5726,7 +5791,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:5730: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5795: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_memcmp_clean=yes
 else
@@ -5750,12 +5815,12 @@ test $ac_cv_func_memcmp_clean = no && LIBOBJS="$LIBOBJS memcmp.${ac_objext}"
 #       {The replacement define is in compat/string.h}
 #--------------------------------------------------------------------
 echo $ac_n "checking for memmove""... $ac_c" 1>&6
-echo "configure:5754: checking for memmove" >&5
+echo "configure:5819: checking for memmove" >&5
 if eval "test \"`echo '$''{'ac_cv_func_memmove'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5759 "configure"
+#line 5824 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char memmove(); below.  */
@@ -5778,7 +5843,7 @@ memmove();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5782: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5847: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_memmove=yes"
 else
@@ -5811,12 +5876,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking proper strstr implementation""... $ac_c" 1>&6
-echo "configure:5815: checking proper strstr implementation" >&5
+echo "configure:5880: checking proper strstr implementation" >&5
 if test "$cross_compiling" = yes; then
   tcl_ok=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5820 "configure"
+#line 5885 "configure"
 #include "confdefs.h"
 
 extern int strstr();
@@ -5826,7 +5891,7 @@ int main()
 }
 
 EOF
-if { (eval echo configure:5830: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5895: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_ok=yes
 else
@@ -5852,12 +5917,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for strtoul""... $ac_c" 1>&6
-echo "configure:5856: checking for strtoul" >&5
+echo "configure:5921: checking for strtoul" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtoul'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5861 "configure"
+#line 5926 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtoul(); below.  */
@@ -5880,7 +5945,7 @@ strtoul();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5884: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5949: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strtoul=yes"
 else
@@ -5904,7 +5969,7 @@ if test "$cross_compiling" = yes; then
   tcl_ok=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 5908 "configure"
+#line 5973 "configure"
 #include "confdefs.h"
 
 extern int strtoul();
@@ -5920,7 +5985,7 @@ int main()
     exit(0);
 }
 EOF
-if { (eval echo configure:5924: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5989: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -5943,12 +6008,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for strtod""... $ac_c" 1>&6
-echo "configure:5947: checking for strtod" >&5
+echo "configure:6012: checking for strtod" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5952 "configure"
+#line 6017 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtod(); below.  */
@@ -5971,7 +6036,7 @@ strtod();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5975: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6040: \"$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
@@ -5995,7 +6060,7 @@ if test "$cross_compiling" = yes; then
   tcl_ok=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 5999 "configure"
+#line 6064 "configure"
 #include "confdefs.h"
 
 extern double strtod();
@@ -6011,7 +6076,7 @@ int main()
     exit(0);
 }
 EOF
-if { (eval echo configure:6015: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6080: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -6037,12 +6102,12 @@ fi
 
 
     echo $ac_n "checking for strtod""... $ac_c" 1>&6
-echo "configure:6041: checking for strtod" >&5
+echo "configure:6106: checking for strtod" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6046 "configure"
+#line 6111 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtod(); below.  */
@@ -6065,7 +6130,7 @@ strtod();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6069: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6134: \"$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
@@ -6087,7 +6152,7 @@ fi
 
     if test "$tcl_strtod" = 1; then
 	echo $ac_n "checking for Solaris2.4/Tru64 strtod bugs""... $ac_c" 1>&6
-echo "configure:6091: checking for Solaris2.4/Tru64 strtod bugs" >&5
+echo "configure:6156: checking for Solaris2.4/Tru64 strtod bugs" >&5
 	if eval "test \"`echo '$''{'tcl_cv_strtod_buggy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6096,7 +6161,7 @@ else
   tcl_cv_strtod_buggy=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 6100 "configure"
+#line 6165 "configure"
 #include "confdefs.h"
 
 		extern double strtod();
@@ -6119,7 +6184,7 @@ else
 		    exit(0);
 		}
 EOF
-if { (eval echo configure:6123: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6188: \"$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
@@ -6152,12 +6217,12 @@ EOF
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:6156: checking for ANSI C header files" >&5
+echo "configure:6221: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6161 "configure"
+#line 6226 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -6165,7 +6230,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6169: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6234: \"$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*
@@ -6182,7 +6247,7 @@ 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 6186 "configure"
+#line 6251 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -6200,7 +6265,7 @@ 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 6204 "configure"
+#line 6269 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -6221,7 +6286,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 6225 "configure"
+#line 6290 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -6232,7 +6297,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:6236: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6301: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -6256,12 +6321,12 @@ EOF
 fi
 
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:6260: checking for mode_t" >&5
+echo "configure:6325: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6265 "configure"
+#line 6330 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -6289,12 +6354,12 @@ EOF
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:6293: checking for pid_t" >&5
+echo "configure:6358: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6298 "configure"
+#line 6363 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -6322,12 +6387,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:6326: checking for size_t" >&5
+echo "configure:6391: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6331 "configure"
+#line 6396 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -6355,12 +6420,12 @@ EOF
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:6359: checking for uid_t in sys/types.h" >&5
+echo "configure:6424: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6364 "configure"
+#line 6429 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -6390,12 +6455,12 @@ fi
 
 
 echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
-echo "configure:6394: checking for socklen_t" >&5
+echo "configure:6459: checking for socklen_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6399 "configure"
+#line 6464 "configure"
 #include "confdefs.h"
 
     #include <sys/types.h>
@@ -6434,12 +6499,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for opendir""... $ac_c" 1>&6
-echo "configure:6438: checking for opendir" >&5
+echo "configure:6503: checking for opendir" >&5
 if eval "test \"`echo '$''{'ac_cv_func_opendir'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6443 "configure"
+#line 6508 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char opendir(); below.  */
@@ -6462,7 +6527,7 @@ opendir();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6466: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6531: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_opendir=yes"
 else
@@ -6495,12 +6560,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking union wait""... $ac_c" 1>&6
-echo "configure:6499: checking union wait" >&5
+echo "configure:6564: checking union wait" >&5
 if eval "test \"`echo '$''{'tcl_cv_union_wait'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6504 "configure"
+#line 6569 "configure"
 #include "confdefs.h"
 #include <sys/types.h> 
 #include <sys/wait.h>
@@ -6512,7 +6577,7 @@ WIFEXITED(x);		/* Generates compiler error if WIFEXITED
     
 ; return 0; }
 EOF
-if { (eval echo configure:6516: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6581: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   tcl_cv_union_wait=yes
 else
@@ -6539,12 +6604,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for strncasecmp""... $ac_c" 1>&6
-echo "configure:6543: checking for strncasecmp" >&5
+echo "configure:6608: checking for strncasecmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strncasecmp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6548 "configure"
+#line 6613 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strncasecmp(); below.  */
@@ -6567,7 +6632,7 @@ strncasecmp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6571: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6636: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strncasecmp=yes"
 else
@@ -6589,7 +6654,7 @@ fi
 
 if test "$tcl_ok" = 0; then
     echo $ac_n "checking for strncasecmp in -lsocket""... $ac_c" 1>&6
-echo "configure:6593: checking for strncasecmp in -lsocket" >&5
+echo "configure:6658: checking for strncasecmp in -lsocket" >&5
 ac_lib_var=`echo socket'_'strncasecmp | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6597,7 +6662,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6601 "configure"
+#line 6666 "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
@@ -6608,7 +6673,7 @@ int main() {
 strncasecmp()
 ; return 0; }
 EOF
-if { (eval echo configure:6612: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6677: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6632,7 +6697,7 @@ fi
 fi
 if test "$tcl_ok" = 0; then
     echo $ac_n "checking for strncasecmp in -linet""... $ac_c" 1>&6
-echo "configure:6636: checking for strncasecmp in -linet" >&5
+echo "configure:6701: checking for strncasecmp in -linet" >&5
 ac_lib_var=`echo inet'_'strncasecmp | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6640,7 +6705,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-linet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6644 "configure"
+#line 6709 "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
@@ -6651,7 +6716,7 @@ int main() {
 strncasecmp()
 ; return 0; }
 EOF
-if { (eval echo configure:6655: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6720: \"$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
@@ -6689,12 +6754,12 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for BSDgettimeofday""... $ac_c" 1>&6
-echo "configure:6693: checking for BSDgettimeofday" >&5
+echo "configure:6758: checking for BSDgettimeofday" >&5
 if eval "test \"`echo '$''{'ac_cv_func_BSDgettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6698 "configure"
+#line 6763 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char BSDgettimeofday(); below.  */
@@ -6717,7 +6782,7 @@ BSDgettimeofday();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6721: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6786: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_BSDgettimeofday=yes"
 else
@@ -6739,12 +6804,12 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for gettimeofday""... $ac_c" 1>&6
-echo "configure:6743: checking for gettimeofday" >&5
+echo "configure:6808: checking for gettimeofday" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6748 "configure"
+#line 6813 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gettimeofday(); below.  */
@@ -6767,7 +6832,7 @@ gettimeofday();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6836: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gettimeofday=yes"
 else
@@ -6794,12 +6859,12 @@ fi
 fi
 
 echo $ac_n "checking for gettimeofday declaration""... $ac_c" 1>&6
-echo "configure:6798: checking for gettimeofday declaration" >&5
+echo "configure:6863: checking for gettimeofday declaration" >&5
 if eval "test \"`echo '$''{'tcl_cv_grep_gettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6803 "configure"
+#line 6868 "configure"
 #include "confdefs.h"
 #include <sys/time.h>
 EOF
@@ -6830,14 +6895,14 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:6834: checking whether char is unsigned" >&5
+echo "configure:6899: checking whether char is unsigned" >&5
 if eval "test \"`echo '$''{'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.$ac_ext <<EOF
-#line 6841 "configure"
+#line 6906 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -6859,7 +6924,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 6863 "configure"
+#line 6928 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -6869,7 +6934,7 @@ main() {
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:6873: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6938: \"$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
@@ -6893,12 +6958,12 @@ EOF
 fi
 
 echo $ac_n "checking signed char declarations""... $ac_c" 1>&6
-echo "configure:6897: checking signed char declarations" >&5
+echo "configure:6962: checking signed char declarations" >&5
 if eval "test \"`echo '$''{'tcl_cv_char_signed'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6902 "configure"
+#line 6967 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -6908,7 +6973,7 @@ int main() {
 	
 ; return 0; }
 EOF
-if { (eval echo configure:6912: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6977: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_cv_char_signed=yes
 else
@@ -6933,7 +6998,7 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking for a putenv() that copies the buffer""... $ac_c" 1>&6
-echo "configure:6937: checking for a putenv() that copies the buffer" >&5
+echo "configure:7002: checking for a putenv() that copies the buffer" >&5
 if eval "test \"`echo '$''{'tcl_cv_putenv_copy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6941,7 +7006,7 @@ else
   tcl_cv_putenv_copy=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 6945 "configure"
+#line 7010 "configure"
 #include "confdefs.h"
 
 	#include <stdlib.h>
@@ -6963,7 +7028,7 @@ else
 	}
     
 EOF
-if { (eval echo configure:6967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7032: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   tcl_cv_putenv_copy=no
 else
@@ -7005,17 +7070,17 @@ fi
 	if test "$langinfo_ok" = "yes"; then
 	    ac_safe=`echo "langinfo.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for langinfo.h""... $ac_c" 1>&6
-echo "configure:7009: checking for langinfo.h" >&5
+echo "configure:7074: checking for langinfo.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7014 "configure"
+#line 7079 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7019: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7084: \"$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*
@@ -7040,17 +7105,17 @@ fi
 	fi
     fi
     echo $ac_n "checking whether to use nl_langinfo""... $ac_c" 1>&6
-echo "configure:7044: checking whether to use nl_langinfo" >&5
+echo "configure:7109: checking whether to use nl_langinfo" >&5
     if test "$langinfo_ok" = "yes"; then
 	cat > conftest.$ac_ext <<EOF
-#line 7047 "configure"
+#line 7112 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 int main() {
 nl_langinfo(CODESET);
 ; return 0; }
 EOF
-if { (eval echo configure:7054: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7119: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   langinfo_ok=yes
 else
@@ -7085,17 +7150,17 @@ EOF
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:7089: checking for $ac_hdr" >&5
+echo "configure:7154: 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 7094 "configure"
+#line 7159 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7099: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7164: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7125,17 +7190,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:7129: checking for $ac_hdr" >&5
+echo "configure:7194: 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 7134 "configure"
+#line 7199 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7139: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7204: \"$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*
@@ -7162,7 +7227,7 @@ fi
 done
 
     echo $ac_n "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O""... $ac_c" 1>&6
-echo "configure:7166: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
+echo "configure:7231: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
     if test -f /usr/lib/NextStep/software_version; then
 	system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
     else
@@ -7225,7 +7290,7 @@ eval "TCL_LIB_FILE=libtcl${LIB_SUFFIX}"
 
 
     echo $ac_n "checking how to package libraries""... $ac_c" 1>&6
-echo "configure:7229: checking how to package libraries" >&5
+echo "configure:7294: checking how to package libraries" >&5
     # Check whether --enable-framework or --disable-framework was given.
 if test "${enable_framework+set}" = set; then
   enableval="$enable_framework"
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index a1bdc5b..1cbc199 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -478,6 +478,25 @@ AC_DEFUN(SC_ENABLE_THREADS, [
 	AC_CHECK_FUNCS(pthread_atfork)
 	LIBS=$ac_saved_libs
 	AC_CHECK_FUNCS(readdir_r)
+	if test "x$ac_cv_func_readdir_r" = "xyes"; then
+	    # IRIX 5.3 has a 2 arg version of readdir_r
+	    # while other systems have a 3 arg version.
+	    AC_CACHE_VAL(tcl_cv_two_arg_readdir_r,
+	        AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/dir.h>], [readdir_r(NULL, NULL);],
+	        tcl_cv_two_arg_readdir_r=yes, tcl_cv_two_arg_readdir_r=no))
+	    AC_CACHE_VAL(tcl_cv_three_arg_readdir_r,
+	        AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/dir.h>], [readdir_r(NULL, NULL, NULL);],
+	        tcl_cv_three_arg_readdir_r=yes, tcl_cv_three_arg_readdir_r=no))
+	    if test "x$tcl_cv_two_arg_readdir_r" = "xyes" ; then
+	        AC_DEFINE(HAVE_TWO_ARG_READDIR_R)
+	    elif test "x$tcl_cv_three_arg_readdir_r" = "xyes" ; then
+	        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)])
diff --git a/unix/tclUnixThrd.c b/unix/tclUnixThrd.c
index 00059df..ee080ba 100644
--- a/unix/tclUnixThrd.c
+++ b/unix/tclUnixThrd.c
@@ -835,8 +835,12 @@ TclpReaddir(DIR * dir)
     ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
 
 #ifdef HAVE_READDIR_R
-    ent = &tsdPtr->rdbuf.ent; 
+    ent = &tsdPtr->rdbuf.ent;
+# ifdef HAVE_TWO_ARG_READDIR_R
+    if (TclOSreaddir_r(dir, ent) != 0) {
+# else /* HAVE_THREE_ARG_READDIR_R */
     if (TclOSreaddir_r(dir, ent, &ent) != 0) {
+# endif /* HAVE_TWO_ARG_READDIR_R */
 	ent = NULL;
     }
 
-- 
cgit v0.12