20000-05-18 H.J. Lu (hjl@gnu.org)

[binutils-gdb.git] / gdb / configure

diff --git a/gdb/configure b/gdb/configure
index e2170389b0e588a696a835d7a266ecfbcea5fa0e..abbc0c3dcfbaad2fe50d191d0dabb80ab9a35f87 100755 (executable)
--- a/gdb/configure
+++ b/gdb/configure
@@ -4569,13 +4569,58 @@ EOF
 
 
   
+        
+  if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
+    echo $ac_n "checking whether prfpregset_t type is broken""... $ac_c" 1>&6
+echo "configure:4576: checking whether prfpregset_t type is broken" >&5
+    if eval "test \"`echo '$''{'gdb_cv_prfpregset_t_broken'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$cross_compiling" = yes; then
+  gdb_cv_prfpregset_t_broken=yes
+else
+  cat > conftest.$ac_ext <<EOF
+#line 4584 "configure"
+#include "confdefs.h"
+#include <sys/procfs.h>
+       int main ()
+       {
+         if (sizeof (prfpregset_t) == sizeof (void *))
+           return 1;
+         return 0;
+       }
+EOF
+if { (eval echo configure:4594: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+  gdb_cv_prfpregset_t_broken=no
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -fr conftest*
+  gdb_cv_prfpregset_t_broken=yes
+fi
+rm -fr conftest*
+fi
+
+fi
+
+    echo "$ac_t""$gdb_cv_prfpregset_t_broken" 1>&6
+    if test $gdb_cv_prfpregset_t_broken = yes; then
+      cat >> confdefs.h <<\EOF
+#define PRFPREGSET_T_BROKEN 1
+EOF
+
+    fi
+  fi
+
+  
   echo $ac_n "checking for PIOCSET ioctl entry in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4574: checking for PIOCSET ioctl entry in sys/procfs.h" >&5
+echo "configure:4619: checking for PIOCSET ioctl entry in sys/procfs.h" >&5
   if eval "test \"`echo '$''{'gdb_cv_have_procfs_piocset'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4579 "configure"
+#line 4624 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 #include <sys/types.h>
@@ -4588,7 +4633,7 @@ int main() {
   
 ; return 0; }
 EOF
-if { (eval echo configure:4592: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4637: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_have_procfs_piocset=yes
 else
@@ -4610,7 +4655,7 @@ EOF
 fi
 
 echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:4614: checking for main in -lm" >&5
+echo "configure:4659: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4618,14 +4663,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4622 "configure"
+#line 4667 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4629: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4674: \"$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
@@ -4654,7 +4699,7 @@ fi
 
 
 echo $ac_n "checking for wctype in -lc""... $ac_c" 1>&6
-echo "configure:4658: checking for wctype in -lc" >&5
+echo "configure:4703: checking for wctype in -lc" >&5
 ac_lib_var=`echo c'_'wctype | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4662,7 +4707,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4666 "configure"
+#line 4711 "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
@@ -4673,7 +4718,7 @@ int main() {
 wctype()
 ; return 0; }
 EOF
-if { (eval echo configure:4677: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4722: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4692,7 +4737,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for wctype in -lw""... $ac_c" 1>&6
-echo "configure:4696: checking for wctype in -lw" >&5
+echo "configure:4741: checking for wctype in -lw" >&5
 ac_lib_var=`echo w'_'wctype | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4700,7 +4745,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lw  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4704 "configure"
+#line 4749 "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
@@ -4711,7 +4756,7 @@ int main() {
 wctype()
 ; return 0; }
 EOF
-if { (eval echo configure:4715: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4760: \"$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
@@ -4743,12 +4788,12 @@ fi
 
 
 echo $ac_n "checking for long long support in compiler""... $ac_c" 1>&6
-echo "configure:4747: checking for long long support in compiler" >&5
+echo "configure:4792: checking for long long support in compiler" >&5
 if eval "test \"`echo '$''{'gdb_cv_c_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4752 "configure"
+#line 4797 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4758,7 +4803,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:4762: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4807: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_c_long_long=yes
 else
@@ -4780,7 +4825,7 @@ fi
 
 
 echo $ac_n "checking for long long support in printf""... $ac_c" 1>&6
-echo "configure:4784: checking for long long support in printf" >&5
+echo "configure:4829: checking for long long support in printf" >&5
 if eval "test \"`echo '$''{'gdb_cv_printf_has_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4788,7 +4833,7 @@ else
   gdb_cv_printf_has_long_long=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 4792 "configure"
+#line 4837 "configure"
 #include "confdefs.h"
 
 int main () {
@@ -4802,7 +4847,7 @@ int main () {
   return (strcmp ("0x0123456789abcdef", buf));
 }
 EOF
-if { (eval echo configure:4806: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4851: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   gdb_cv_printf_has_long_long=yes
 else
@@ -4826,19 +4871,19 @@ echo "$ac_t""$gdb_cv_printf_has_long_long" 1>&6
 
 
 echo $ac_n "checking for long double support in compiler""... $ac_c" 1>&6
-echo "configure:4830: checking for long double support in compiler" >&5
+echo "configure:4875: checking for long double support in compiler" >&5
 if eval "test \"`echo '$''{'ac_cv_c_long_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4835 "configure"
+#line 4880 "configure"
 #include "confdefs.h"
 
 int main() {
 long double foo;
 ; return 0; }
 EOF
-if { (eval echo configure:4842: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4887: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_long_double=yes
 else
@@ -4860,7 +4905,7 @@ fi
 
 
 echo $ac_n "checking for long double support in printf""... $ac_c" 1>&6
-echo "configure:4864: checking for long double support in printf" >&5
+echo "configure:4909: checking for long double support in printf" >&5
 if eval "test \"`echo '$''{'gdb_cv_printf_has_long_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4868,7 +4913,7 @@ else
   gdb_cv_printf_has_long_double=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 4872 "configure"
+#line 4917 "configure"
 #include "confdefs.h"
 
 int main () {
@@ -4878,7 +4923,7 @@ int main () {
   return (strncmp ("3.14159", buf, 7));
 }
 EOF
-if { (eval echo configure:4882: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4927: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   gdb_cv_printf_has_long_double=yes
 else
@@ -4902,7 +4947,7 @@ echo "$ac_t""$gdb_cv_printf_has_long_double" 1>&6
 
 
 echo $ac_n "checking for long double support in scanf""... $ac_c" 1>&6
-echo "configure:4906: checking for long double support in scanf" >&5
+echo "configure:4951: checking for long double support in scanf" >&5
 if eval "test \"`echo '$''{'gdb_cv_scanf_has_long_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4910,7 +4955,7 @@ else
   gdb_cv_scanf_has_long_double=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 4914 "configure"
+#line 4959 "configure"
 #include "confdefs.h"
 
 int main () {
@@ -4920,7 +4965,7 @@ int main () {
   return !(f > 3.14159 && f < 3.14160);
 }
 EOF
-if { (eval echo configure:4924: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4969: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   gdb_cv_scanf_has_long_double=yes
 else
@@ -4946,17 +4991,17 @@ for ac_hdr in unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4950: checking for $ac_hdr" >&5
+echo "configure:4995: 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 4955 "configure"
+#line 5000 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4960: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5005: \"$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*
@@ -4985,12 +5030,12 @@ done
 for ac_func in getpagesize
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4989: checking for $ac_func" >&5
+echo "configure:5034: 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 4994 "configure"
+#line 5039 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5013,7 +5058,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5017: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5062: \"$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
@@ -5038,7 +5083,7 @@ fi
 done
 
 echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:5042: checking for working mmap" >&5
+echo "configure:5087: checking for working mmap" >&5
 if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5046,7 +5091,7 @@ else
   ac_cv_func_mmap_fixed_mapped=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5050 "configure"
+#line 5095 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test.
@@ -5186,7 +5231,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:5190: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5235: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_mmap_fixed_mapped=yes
 else
@@ -5215,7 +5260,7 @@ if test ${build} = ${host} -a ${host} = ${target} ; then
    case ${host_os} in
    hpux*)
       echo $ac_n "checking for HPUX/OSF thread support""... $ac_c" 1>&6
-echo "configure:5219: checking for HPUX/OSF thread support" >&5
+echo "configure:5264: checking for HPUX/OSF thread support" >&5
       if test -f /usr/include/dce/cma_config.h ; then
          if test "$GCC" = "yes" ; then
             echo "$ac_t""yes" 1>&6
@@ -5234,7 +5279,7 @@ EOF
       ;;
    solaris*)
       echo $ac_n "checking for Solaris thread debugging library""... $ac_c" 1>&6
-echo "configure:5238: checking for Solaris thread debugging library" >&5
+echo "configure:5283: checking for Solaris thread debugging library" >&5
       if test -f /usr/lib/libthread_db.so.1 ; then
          echo "$ac_t""yes" 1>&6
          cat >> confdefs.h <<\EOF
@@ -5244,7 +5289,7 @@ EOF
          CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
          CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
          echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:5248: checking for dlopen in -ldl" >&5
+echo "configure:5293: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5252,7 +5297,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5256 "configure"
+#line 5301 "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
@@ -5263,7 +5308,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:5267: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5312: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5295,17 +5340,17 @@ fi
             # all symbols visible in the dynamic symbol table.
             hold_ldflags=$LDFLAGS
             echo $ac_n "checking for the ld -export-dynamic flag""... $ac_c" 1>&6
-echo "configure:5299: checking for the ld -export-dynamic flag" >&5
+echo "configure:5344: checking for the ld -export-dynamic flag" >&5
             LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
             cat > conftest.$ac_ext <<EOF
-#line 5302 "configure"
+#line 5347 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:5309: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5354: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   found=yes
 else
@@ -5324,13 +5369,13 @@ rm -f conftest*
         # Sun randomly tweaked the prototypes in <proc_service.h>
         # at one point.
         echo $ac_n "checking if <proc_service.h> is old""... $ac_c" 1>&6
-echo "configure:5328: checking if <proc_service.h> is old" >&5
+echo "configure:5373: checking if <proc_service.h> is old" >&5
         if eval "test \"`echo '$''{'gdb_cv_proc_service_is_old'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
            cat > conftest.$ac_ext <<EOF
-#line 5334 "configure"
+#line 5379 "configure"
 #include "confdefs.h"
 
                #include <proc_service.h>
@@ -5341,7 +5386,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5345: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5390: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_proc_service_is_old=no
 else
@@ -5448,10 +5493,16 @@ if test "${enable_netrom}" = "yes"; then
 fi
 
 
+# Don't add -Wall or -Wunused, they include -Wunused-parameter which
+# causes noise.
 build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
 -Wformat -Wparentheses -Wpointer-arith"
-# Not yet: -Wall -Wpointer-arith -Wstrict-prototypes
-# -Wmissing-prototypes -Wmissing-declarations
+# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs
+# -Wunused-function -Wunused-label -Wunused-variable -Wunused-value
+# -Wchar-subscripts -Wuninitialized -Wtraditional -Wshadow -Wcast-qual
+# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes
+# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls
+# -Woverloaded-virtual -Winline -Werror"
 # Check whether --enable-build-warnings or --disable-build-warnings was given.
 if test "${enable_build_warnings+set}" = set; then
   enableval="$enable_build_warnings"
@@ -5465,21 +5516,29 @@ if test "${enable_build_warnings+set}" = set; then
   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
 esac
 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
-  echo "Setting warning flags = $build_warnings" 6>&1
+  echo "Setting compiler warning flags = $build_warnings" 6>&1
 fi
 fi
 WARN_CFLAGS=""
 WERROR_CFLAGS=""
 if test "x${build_warnings}" != x -a "x$GCC" = xyes
 then
-  # Separate out the -Werror flag as some files just cannot be
-  # compiled with it enabled.
-  for w in ${build_warnings}; do
-    case $w in
-    -Werr*) WERROR_CFLAGS=-Werror ;;
-    *) WARN_CFLAGS="${WARN_CFLAGS} $w"
-    esac
-  done
+    echo $ac_n "checking compiler warning flags""... $ac_c" 1>&6
+echo "configure:5528: checking compiler warning flags" >&5
+    # Separate out the -Werror flag as some files just cannot be
+    # compiled with it enabled.
+    for w in ${build_warnings}; do
+       case $w in
+       -Werr*) WERROR_CFLAGS=-Werror ;;
+       *) # Check that GCC accepts it
+           if $CC $w 2>&1 | grep 'unrecognized option' > /dev/null; then
+               :
+           else
+               WARN_CFLAGS="${WARN_CFLAGS} $w"
+           fi
+       esac
+    done
+    echo "$ac_t""${WARN_CFLAGS}${WERROR_CFLAGS}" 1>&6
 fi
 
 
@@ -5528,12 +5587,12 @@ fi
 
 if test $want_included_regex = false; then
   echo $ac_n "checking for GNU regex""... $ac_c" 1>&6
-echo "configure:5532: checking for GNU regex" >&5
+echo "configure:5591: checking for GNU regex" >&5
   if eval "test \"`echo '$''{'gdb_cv_have_gnu_regex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5537 "configure"
+#line 5596 "configure"
 #include "confdefs.h"
 #include <gnu-versions.h>
 #include <sys/types.h>
@@ -5545,7 +5604,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5549: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5608: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_have_gnu_regex=yes
 else
@@ -5574,12 +5633,12 @@ fi
 
 # In the Cygwin environment, we need some additional flags.
 echo $ac_n "checking for cygwin""... $ac_c" 1>&6
-echo "configure:5578: checking for cygwin" >&5
+echo "configure:5637: checking for cygwin" >&5
 if eval "test \"`echo '$''{'gdb_cv_os_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5583 "configure"
+#line 5642 "configure"
 #include "confdefs.h"
 
 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
@@ -5613,7 +5672,7 @@ if test x$gdb_cv_os_cygwin = xyes; then
 else
   TERM_LIB=
   echo $ac_n "checking for tgetent in -lncurses""... $ac_c" 1>&6
-echo "configure:5617: checking for tgetent in -lncurses" >&5
+echo "configure:5676: checking for tgetent in -lncurses" >&5
 ac_lib_var=`echo ncurses'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5621,7 +5680,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lncurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5625 "configure"
+#line 5684 "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
@@ -5632,7 +5691,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:5636: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5695: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5651,7 +5710,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -lHcurses""... $ac_c" 1>&6
-echo "configure:5655: checking for tgetent in -lHcurses" >&5
+echo "configure:5714: checking for tgetent in -lHcurses" >&5
 ac_lib_var=`echo Hcurses'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5659,7 +5718,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lHcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5663 "configure"
+#line 5722 "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
@@ -5670,7 +5729,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:5674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5733: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5689,7 +5748,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -ltermlib""... $ac_c" 1>&6
-echo "configure:5693: checking for tgetent in -ltermlib" >&5
+echo "configure:5752: checking for tgetent in -ltermlib" >&5
 ac_lib_var=`echo termlib'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5697,7 +5756,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltermlib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5701 "configure"
+#line 5760 "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
@@ -5708,7 +5767,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:5712: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5727,7 +5786,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -ltermcap""... $ac_c" 1>&6
-echo "configure:5731: checking for tgetent in -ltermcap" >&5
+echo "configure:5790: checking for tgetent in -ltermcap" >&5
 ac_lib_var=`echo termcap'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5735,7 +5794,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltermcap  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5739 "configure"
+#line 5798 "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
@@ -5746,7 +5805,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:5750: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5809: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5765,7 +5824,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -lcurses""... $ac_c" 1>&6
-echo "configure:5769: checking for tgetent in -lcurses" >&5
+echo "configure:5828: checking for tgetent in -lcurses" >&5
 ac_lib_var=`echo curses'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5773,7 +5832,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5777 "configure"
+#line 5836 "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
@@ -5784,7 +5843,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:5788: \"$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_lib_$ac_lib_var=yes"
 else
@@ -5803,7 +5862,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -lterminfo""... $ac_c" 1>&6
-echo "configure:5807: checking for tgetent in -lterminfo" >&5
+echo "configure:5866: checking for tgetent in -lterminfo" >&5
 ac_lib_var=`echo terminfo'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5811,7 +5870,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lterminfo  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5815 "configure"
+#line 5874 "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
@@ -5822,7 +5881,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:5826: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5885: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5980,7 +6039,7 @@ if test "${with_tclconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Tcl configuration""... $ac_c" 1>&6
-echo "configure:5984: checking for Tcl configuration" >&5
+echo "configure:6043: checking for Tcl configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_tclconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6088,7 +6147,7 @@ if test "${with_tkconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Tk configuration""... $ac_c" 1>&6
-echo "configure:6092: checking for Tk configuration" >&5
+echo "configure:6151: checking for Tk configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_tkconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6184,7 +6243,7 @@ fi
 
 no_tcl=true
 echo $ac_n "checking for Tcl private headers. dir=${configdir}""... $ac_c" 1>&6
-echo "configure:6188: checking for Tcl private headers. dir=${configdir}" >&5
+echo "configure:6247: checking for Tcl private headers. dir=${configdir}" >&5
 # Check whether --with-tclinclude or --without-tclinclude was given.
 if test "${with_tclinclude+set}" = set; then
   withval="$with_tclinclude"
@@ -6250,17 +6309,17 @@ fi
 if test x"${ac_cv_c_tclh}" = x ; then
    ac_safe=`echo "tclInt.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for tclInt.h""... $ac_c" 1>&6
-echo "configure:6254: checking for tclInt.h" >&5
+echo "configure:6313: checking for tclInt.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6259 "configure"
+#line 6318 "configure"
 #include "confdefs.h"
 #include <tclInt.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6264: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6323: \"$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*
@@ -6320,7 +6379,7 @@ fi
 #
 no_tk=true
 echo $ac_n "checking for Tk private headers""... $ac_c" 1>&6
-echo "configure:6324: checking for Tk private headers" >&5
+echo "configure:6383: checking for Tk private headers" >&5
 # Check whether --with-tkinclude or --without-tkinclude was given.
 if test "${with_tkinclude+set}" = set; then
   withval="$with_tkinclude"
@@ -6386,17 +6445,17 @@ fi
 if test x"${ac_cv_c_tkh}" = x ; then
    ac_safe=`echo "tk.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for tk.h""... $ac_c" 1>&6
-echo "configure:6390: checking for tk.h" >&5
+echo "configure:6449: checking for tk.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6395 "configure"
+#line 6454 "configure"
 #include "confdefs.h"
 #include <tk.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6400: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6459: \"$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*
@@ -6442,7 +6501,7 @@ fi
 
           
 echo $ac_n "checking for Itcl private headers. srcdir=${srcdir}""... $ac_c" 1>&6
-echo "configure:6446: checking for Itcl private headers. srcdir=${srcdir}" >&5
+echo "configure:6505: checking for Itcl private headers. srcdir=${srcdir}" >&5
 if test x"${ac_cv_c_itclh}" = x ; then
   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itcl; do
     if test -f $i/generic/itcl.h ; then
@@ -6465,7 +6524,7 @@ fi
 
           
 echo $ac_n "checking for Itk private headers. srcdir=${srcdir}""... $ac_c" 1>&6
-echo "configure:6469: checking for Itk private headers. srcdir=${srcdir}" >&5
+echo "configure:6528: checking for Itk private headers. srcdir=${srcdir}" >&5
 if test x"${ac_cv_c_itkh}" = x ; then
   for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itk; do
     if test -f $i/generic/itk.h ; then
@@ -6488,7 +6547,7 @@ fi
 
           
 echo $ac_n "checking for Tix private headers. srcdir=${srcdir}""... $ac_c" 1>&6
-echo "configure:6492: checking for Tix private headers. srcdir=${srcdir}" >&5
+echo "configure:6551: checking for Tix private headers. srcdir=${srcdir}" >&5
 if test x"${ac_cv_c_tixh}" = x ; then
   for i in ${srcdir}/../tix ${srcdir}/../../tix ${srcdir}/../../../tix ; do
     if test -f $i/generic/tix.h ; then
@@ -6526,7 +6585,7 @@ if test "${with_itclconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Itcl configuration""... $ac_c" 1>&6
-echo "configure:6530: checking for Itcl configuration" >&5
+echo "configure:6589: checking for Itcl configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_itclconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6638,7 +6697,7 @@ if test "${with_itkconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Itk configuration""... $ac_c" 1>&6
-echo "configure:6642: checking for Itk configuration" >&5
+echo "configure:6701: checking for Itk configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_itkconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6750,7 +6809,7 @@ if test "${with_tixconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Tix configuration""... $ac_c" 1>&6
-echo "configure:6754: checking for Tix configuration" >&5
+echo "configure:6813: checking for Tix configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_tixconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6889,7 +6948,7 @@ fi
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:6893: checking for X" >&5
+echo "configure:6952: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -6951,12 +7010,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 6955 "configure"
+#line 7014 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6960: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7019: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7025,14 +7084,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7029 "configure"
+#line 7088 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:7036: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7095: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -7314,7 +7373,7 @@ files="${files} config/nm-empty.h"
 links="${links} nm.h"
 fi
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:7318: checking whether ln -s works" >&5
+echo "configure:7377: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7338,12 +7397,12 @@ fi
 
 
 echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:7342: checking for Cygwin environment" >&5
+echo "configure:7401: checking for Cygwin environment" >&5
 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7347 "configure"
+#line 7406 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -7354,7 +7413,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:7358: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7417: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -7371,19 +7430,19 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:7375: checking for mingw32 environment" >&5
+echo "configure:7434: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7380 "configure"
+#line 7439 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:7387: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7446: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -7402,7 +7461,7 @@ test "$ac_cv_mingw32" = yes && MINGW32=yes
 
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:7406: checking for executable suffix" >&5
+echo "configure:7465: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7412,7 +7471,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:7416: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:7475: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj | *.ilk | *.pdb) ;;