Cleanup autoconfigury of vfork().

7 files changed, 486 insertions, 203 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index e4ba9f6..f0e6130 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,13 @@
+Tue Jan 30 17:27:11 2001  Andrew Cagney  <cagney@redhat.com>
+
+	* configure.in (AC_CHECK_FUNCS): Replace vfork test with
+ 	AC_FUNC_VFORK macro.
+	* config.in, configure: Re-generate.
+
+	* gdb_vfork.h: New file.
+	* ser-pipe.c (pipe_open): Update. Include "gdb_vfork.h".
+	* fork-child.c (fork_inferior): Ditto.
+	
 Tue Jan 30 17:09:07 2001  Andrew Cagney  <cagney@redhat.com>
 
 	* defs.h (strsave): Delete declaration.
diff --git a/gdb/config.in b/gdb/config.in
index f6f0031..402e9d0 100644
--- a/gdb/config.in
+++ b/gdb/config.in
@@ -29,12 +29,18 @@
 /* Define if you have a working `mmap' system call.  */
 #undef HAVE_MMAP
 
+/* Define if you have <vfork.h>.  */
+#undef HAVE_VFORK_H
+
 /* Define as __inline if that's what the C compiler calls it.  */
 #undef inline
 
 /* Define to `long' if <sys/types.h> doesn't define.  */
 #undef off_t
 
+/* Define to `int' if <sys/types.h> doesn't define.  */
+#undef pid_t
+
 /* Define if you need to in order for stat and other things to work.  */
 #undef _POSIX_SOURCE
 
@@ -59,6 +65,9 @@
 /* Define if you have the ANSI C header files.  */
 #undef STDC_HEADERS
 
+/* Define vfork as fork if vfork does not work.  */
+#undef vfork
+
 /* Define if compiling on Solaris 7. */
 #undef _MSE_INT_H
 
@@ -225,9 +234,6 @@
 /* Define if you have the strchr function.  */
 #undef HAVE_STRCHR
 
-/* Define if you have the vfork function.  */
-#undef HAVE_VFORK
-
 /* Define if you have the <argz.h> header file.  */
 #undef HAVE_ARGZ_H
 
diff --git a/gdb/configure b/gdb/configure
index 57ab4a4..96765cc 100755
--- a/gdb/configure
+++ b/gdb/configure
@@ -3560,7 +3560,7 @@ EOF
 fi
 
 
-for ac_func in setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask vfork
+for ac_func in setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
 echo "configure:3567: checking for $ac_func" >&5
@@ -3615,22 +3615,265 @@ else
 fi
 done
 
+echo $ac_n "checking for pid_t""... $ac_c" 1>&6
+echo "configure:3620: checking for pid_t" >&5
+if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3625 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "(^|[^a-zA-Z_0-9])pid_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
+  rm -rf conftest*
+  ac_cv_type_pid_t=yes
+else
+  rm -rf conftest*
+  ac_cv_type_pid_t=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_type_pid_t" 1>&6
+if test $ac_cv_type_pid_t = no; then
+  cat >> confdefs.h <<\EOF
+#define pid_t int
+EOF
+
+fi
+
+ac_safe=`echo "vfork.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for vfork.h""... $ac_c" 1>&6
+echo "configure:3654: checking for vfork.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3659 "configure"
+#include "confdefs.h"
+#include <vfork.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:3664: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  cat >> confdefs.h <<\EOF
+#define HAVE_VFORK_H 1
+EOF
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+echo $ac_n "checking for working vfork""... $ac_c" 1>&6
+echo "configure:3689: checking for working vfork" >&5
+if eval "test \"`echo '$''{'ac_cv_func_vfork_works'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$cross_compiling" = yes; then
+  echo $ac_n "checking for vfork""... $ac_c" 1>&6
+echo "configure:3695: checking for vfork" >&5
+if eval "test \"`echo '$''{'ac_cv_func_vfork'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3700 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char vfork(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char vfork();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_vfork) || defined (__stub___vfork)
+choke me
+#else
+vfork();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3723: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_vfork=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_vfork=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'vfork`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+ac_cv_func_vfork_works=$ac_cv_func_vfork
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3745 "configure"
+#include "confdefs.h"
+/* Thanks to Paul Eggert for this test.  */
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_VFORK_H
+#include <vfork.h>
+#endif
+/* On some sparc systems, changes by the child to local and incoming
+   argument registers are propagated back to the parent.
+   The compiler is told about this with #include <vfork.h>,
+   but some compilers (e.g. gcc -O) don't grok <vfork.h>.
+   Test for this by using a static variable whose address
+   is put into a register that is clobbered by the vfork.  */
+static
+#ifdef __cplusplus
+sparc_address_test (int arg)
+#else
+sparc_address_test (arg) int arg;
+#endif
+{
+  static pid_t child;
+  if (!child) {
+    child = vfork ();
+    if (child < 0) {
+      perror ("vfork");
+      _exit(2);
+    }
+    if (!child) {
+      arg = getpid();
+      write(-1, "", 0);
+      _exit (arg);
+    }
+  }
+}
+main() {
+  pid_t parent = getpid ();
+  pid_t child;
+
+  sparc_address_test ();
+
+  child = vfork ();
+
+  if (child == 0) {
+    /* Here is another test for sparc vfork register problems.
+       This test uses lots of local variables, at least
+       as many local variables as main has allocated so far
+       including compiler temporaries.  4 locals are enough for
+       gcc 1.40.3 on a Solaris 4.1.3 sparc, but we use 8 to be safe.
+       A buggy compiler should reuse the register of parent
+       for one of the local variables, since it will think that
+       parent can't possibly be used any more in this routine.
+       Assigning to the local variable will thus munge parent
+       in the parent process.  */
+    pid_t
+      p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
+      p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
+    /* Convince the compiler that p..p7 are live; otherwise, it might
+       use the same hardware register for all 8 local variables.  */
+    if (p != p1 || p != p2 || p != p3 || p != p4
+	|| p != p5 || p != p6 || p != p7)
+      _exit(1);
+
+    /* On some systems (e.g. IRIX 3.3),
+       vfork doesn't separate parent from child file descriptors.
+       If the child closes a descriptor before it execs or exits,
+       this munges the parent's descriptor as well.
+       Test for this by closing stdout in the child.  */
+    _exit(close(fileno(stdout)) != 0);
+  } else {
+    int status;
+    struct stat st;
+
+    while (wait(&status) != child)
+      ;
+    exit(
+	 /* Was there some problem with vforking?  */
+	 child < 0
+
+	 /* Did the child fail?  (This shouldn't happen.)  */
+	 || status
+
+	 /* Did the vfork/compiler bug occur?  */
+	 || parent != getpid()
+
+	 /* Did the file descriptor bug occur?  */
+	 || fstat(fileno(stdout), &st) != 0
+	 );
+  }
+}
+EOF
+if { (eval echo configure:3840: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+  ac_cv_func_vfork_works=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -fr conftest*
+  ac_cv_func_vfork_works=no
+fi
+rm -fr conftest*
+fi
+
+fi
+
+echo "$ac_t""$ac_cv_func_vfork_works" 1>&6
+if test $ac_cv_func_vfork_works = no; then
+  cat >> confdefs.h <<\EOF
+#define vfork fork
+EOF
+
+fi
+
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
 echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:3622: checking for working alloca.h" >&5
+echo "configure:3865: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3627 "configure"
+#line 3870 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 char *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:3634: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3877: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_header_alloca_h=yes
 else
@@ -3651,12 +3894,12 @@ EOF
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:3655: checking for alloca" >&5
+echo "configure:3898: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3660 "configure"
+#line 3903 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -3684,7 +3927,7 @@ int main() {
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:3688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3931: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_func_alloca_works=yes
 else
@@ -3716,12 +3959,12 @@ EOF
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:3720: checking whether alloca needs Cray hooks" >&5
+echo "configure:3963: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3725 "configure"
+#line 3968 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -3746,12 +3989,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
 if test $ac_cv_os_cray = yes; then
 for ac_func in _getb67 GETB67 getb67; do
   echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3750: checking for $ac_func" >&5
+echo "configure:3993: 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 3755 "configure"
+#line 3998 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3774,7 +4017,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3778: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4021: \"$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
@@ -3801,7 +4044,7 @@ done
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:3805: checking stack direction for C alloca" >&5
+echo "configure:4048: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3809,7 +4052,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 3813 "configure"
+#line 4056 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -3828,7 +4071,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:3832: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4075: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_stack_direction=1
 else
@@ -3853,19 +4096,19 @@ fi
 # See if machine/reg.h supports the %fs and %gs i386 segment registers.
 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
 echo $ac_n "checking for r_fs in struct reg""... $ac_c" 1>&6
-echo "configure:3857: checking for r_fs in struct reg" >&5
+echo "configure:4100: checking for r_fs in struct reg" >&5
 if eval "test \"`echo '$''{'gdb_cv_struct_reg_r_fs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3862 "configure"
+#line 4105 "configure"
 #include "confdefs.h"
 #include <machine/reg.h>
 int main() {
 struct reg r; r.r_fs;
 ; return 0; }
 EOF
-if { (eval echo configure:3869: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4112: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_struct_reg_r_fs=yes
 else
@@ -3885,19 +4128,19 @@ EOF
 
 fi
 echo $ac_n "checking for r_gs in struct reg""... $ac_c" 1>&6
-echo "configure:3889: checking for r_gs in struct reg" >&5
+echo "configure:4132: checking for r_gs in struct reg" >&5
 if eval "test \"`echo '$''{'gdb_cv_struct_reg_r_gs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3894 "configure"
+#line 4137 "configure"
 #include "confdefs.h"
 #include <machine/reg.h>
 int main() {
 struct reg r; r.r_gs;
 ; return 0; }
 EOF
-if { (eval echo configure:3901: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4144: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_struct_reg_r_gs=yes
 else
@@ -3918,19 +4161,19 @@ EOF
 fi
 
 echo $ac_n "checking for PTRACE_GETREGS""... $ac_c" 1>&6
-echo "configure:3922: checking for PTRACE_GETREGS" >&5
+echo "configure:4165: checking for PTRACE_GETREGS" >&5
 if eval "test \"`echo '$''{'gdb_cv_have_ptrace_getregs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3927 "configure"
+#line 4170 "configure"
 #include "confdefs.h"
 #include <sys/ptrace.h>
 int main() {
 PTRACE_GETREGS;
 ; return 0; }
 EOF
-if { (eval echo configure:3934: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4177: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_have_ptrace_getregs=yes
 else
@@ -3951,19 +4194,19 @@ EOF
 fi
 
 echo $ac_n "checking for PTRACE_GETFPXREGS""... $ac_c" 1>&6
-echo "configure:3955: checking for PTRACE_GETFPXREGS" >&5
+echo "configure:4198: checking for PTRACE_GETFPXREGS" >&5
 if eval "test \"`echo '$''{'gdb_cv_have_ptrace_getfpxregs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3960 "configure"
+#line 4203 "configure"
 #include "confdefs.h"
 #include <sys/ptrace.h>
 int main() {
 PTRACE_GETFPXREGS;
 ; return 0; }
 EOF
-if { (eval echo configure:3967: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4210: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_have_ptrace_getfpxregs=yes
 else
@@ -3984,7 +4227,7 @@ EOF
 fi
 
 echo $ac_n "checking for socketpair in -lsocket""... $ac_c" 1>&6
-echo "configure:3988: checking for socketpair in -lsocket" >&5
+echo "configure:4231: checking for socketpair in -lsocket" >&5
 ac_lib_var=`echo socket'_'socketpair | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3992,7 +4235,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3996 "configure"
+#line 4239 "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
@@ -4003,7 +4246,7 @@ int main() {
 socketpair()
 ; return 0; }
 EOF
-if { (eval echo configure:4007: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4250: \"$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
@@ -4033,12 +4276,12 @@ fi
 for ac_func in socketpair
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4037: checking for $ac_func" >&5
+echo "configure:4280: 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 4042 "configure"
+#line 4285 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4061,7 +4304,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4065: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4308: \"$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
@@ -4088,12 +4331,12 @@ done
 
 
 echo $ac_n "checking whether malloc must be declared""... $ac_c" 1>&6
-echo "configure:4092: checking whether malloc must be declared" >&5
+echo "configure:4335: checking whether malloc must be declared" >&5
 if eval "test \"`echo '$''{'bfd_cv_decl_needed_malloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4097 "configure"
+#line 4340 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -4114,7 +4357,7 @@ int main() {
 char *(*pfn) = (char *(*)) malloc
 ; return 0; }
 EOF
-if { (eval echo configure:4118: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4361: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_decl_needed_malloc=no
 else
@@ -4135,12 +4378,12 @@ EOF
 fi
 
 echo $ac_n "checking whether realloc must be declared""... $ac_c" 1>&6
-echo "configure:4139: checking whether realloc must be declared" >&5
+echo "configure:4382: checking whether realloc must be declared" >&5
 if eval "test \"`echo '$''{'bfd_cv_decl_needed_realloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4144 "configure"
+#line 4387 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -4161,7 +4404,7 @@ int main() {
 char *(*pfn) = (char *(*)) realloc
 ; return 0; }
 EOF
-if { (eval echo configure:4165: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4408: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_decl_needed_realloc=no
 else
@@ -4182,12 +4425,12 @@ EOF
 fi
 
 echo $ac_n "checking whether free must be declared""... $ac_c" 1>&6
-echo "configure:4186: checking whether free must be declared" >&5
+echo "configure:4429: checking whether free must be declared" >&5
 if eval "test \"`echo '$''{'bfd_cv_decl_needed_free'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4191 "configure"
+#line 4434 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -4208,7 +4451,7 @@ int main() {
 char *(*pfn) = (char *(*)) free
 ; return 0; }
 EOF
-if { (eval echo configure:4212: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4455: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_decl_needed_free=no
 else
@@ -4229,12 +4472,12 @@ EOF
 fi
 
 echo $ac_n "checking whether strerror must be declared""... $ac_c" 1>&6
-echo "configure:4233: checking whether strerror must be declared" >&5
+echo "configure:4476: checking whether strerror must be declared" >&5
 if eval "test \"`echo '$''{'bfd_cv_decl_needed_strerror'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4238 "configure"
+#line 4481 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -4255,7 +4498,7 @@ int main() {
 char *(*pfn) = (char *(*)) strerror
 ; return 0; }
 EOF
-if { (eval echo configure:4259: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4502: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_decl_needed_strerror=no
 else
@@ -4276,12 +4519,12 @@ EOF
 fi
 
 echo $ac_n "checking whether strdup must be declared""... $ac_c" 1>&6
-echo "configure:4280: checking whether strdup must be declared" >&5
+echo "configure:4523: checking whether strdup must be declared" >&5
 if eval "test \"`echo '$''{'bfd_cv_decl_needed_strdup'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4285 "configure"
+#line 4528 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -4302,7 +4545,7 @@ int main() {
 char *(*pfn) = (char *(*)) strdup
 ; return 0; }
 EOF
-if { (eval echo configure:4306: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4549: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_decl_needed_strdup=no
 else
@@ -4323,12 +4566,12 @@ EOF
 fi
 
 echo $ac_n "checking whether strstr must be declared""... $ac_c" 1>&6
-echo "configure:4327: checking whether strstr must be declared" >&5
+echo "configure:4570: checking whether strstr must be declared" >&5
 if eval "test \"`echo '$''{'bfd_cv_decl_needed_strstr'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4332 "configure"
+#line 4575 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -4349,7 +4592,7 @@ int main() {
 char *(*pfn) = (char *(*)) strstr
 ; return 0; }
 EOF
-if { (eval echo configure:4353: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4596: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_decl_needed_strstr=no
 else
@@ -4376,9 +4619,9 @@ fi
 # could be expunged. --jsm 1999-03-22
 
 echo $ac_n "checking for HPUX save_state structure""... $ac_c" 1>&6
-echo "configure:4380: checking for HPUX save_state structure" >&5
+echo "configure:4623: checking for HPUX save_state structure" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4382 "configure"
+#line 4625 "configure"
 #include "confdefs.h"
 #include <machine/save_state.h>
 EOF
@@ -4393,7 +4636,7 @@ fi
 rm -f conftest*
 
 cat > conftest.$ac_ext <<EOF
-#line 4397 "configure"
+#line 4640 "configure"
 #include "confdefs.h"
 #include <machine/save_state.h>
 EOF
@@ -4457,12 +4700,12 @@ fi
 
 if test "$ac_cv_header_sys_procfs_h" = yes; then
   echo $ac_n "checking for pstatus_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4461: checking for pstatus_t in sys/procfs.h" >&5
+echo "configure:4704: checking for pstatus_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_pstatus_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4466 "configure"
+#line 4709 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -4471,7 +4714,7 @@ int main() {
 pstatus_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:4475: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4718: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_pstatus_t=yes
 else
@@ -4493,12 +4736,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_pstatus_t" 1>&6
 
   echo $ac_n "checking for prrun_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4497: checking for prrun_t in sys/procfs.h" >&5
+echo "configure:4740: checking for prrun_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prrun_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4502 "configure"
+#line 4745 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -4507,7 +4750,7 @@ int main() {
 prrun_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:4511: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4754: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_prrun_t=yes
 else
@@ -4529,12 +4772,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_prrun_t" 1>&6
 
   echo $ac_n "checking for gregset_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4533: checking for gregset_t in sys/procfs.h" >&5
+echo "configure:4776: checking for gregset_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_gregset_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4538 "configure"
+#line 4781 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -4543,7 +4786,7 @@ int main() {
 gregset_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:4547: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4790: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_gregset_t=yes
 else
@@ -4565,12 +4808,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_gregset_t" 1>&6
 
   echo $ac_n "checking for fpregset_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4569: checking for fpregset_t in sys/procfs.h" >&5
+echo "configure:4812: checking for fpregset_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_fpregset_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4574 "configure"
+#line 4817 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -4579,7 +4822,7 @@ int main() {
 fpregset_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:4583: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4826: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_fpregset_t=yes
 else
@@ -4601,12 +4844,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_fpregset_t" 1>&6
 
   echo $ac_n "checking for prgregset_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4605: checking for prgregset_t in sys/procfs.h" >&5
+echo "configure:4848: checking for prgregset_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prgregset_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4610 "configure"
+#line 4853 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -4615,7 +4858,7 @@ int main() {
 prgregset_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:4619: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4862: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_prgregset_t=yes
 else
@@ -4637,12 +4880,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_prgregset_t" 1>&6
 
   echo $ac_n "checking for prfpregset_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4641: checking for prfpregset_t in sys/procfs.h" >&5
+echo "configure:4884: checking for prfpregset_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prfpregset_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4646 "configure"
+#line 4889 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -4651,7 +4894,7 @@ int main() {
 prfpregset_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:4655: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4898: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_prfpregset_t=yes
 else
@@ -4673,12 +4916,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_prfpregset_t" 1>&6
 
   echo $ac_n "checking for prgregset32_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4677: checking for prgregset32_t in sys/procfs.h" >&5
+echo "configure:4920: checking for prgregset32_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prgregset32_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4682 "configure"
+#line 4925 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -4687,7 +4930,7 @@ int main() {
 prgregset32_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:4691: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4934: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_prgregset32_t=yes
 else
@@ -4709,12 +4952,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_prgregset32_t" 1>&6
 
   echo $ac_n "checking for prfpregset32_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4713: checking for prfpregset32_t in sys/procfs.h" >&5
+echo "configure:4956: checking for prfpregset32_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prfpregset32_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4718 "configure"
+#line 4961 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -4723,7 +4966,7 @@ int main() {
 prfpregset32_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:4727: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4970: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_prfpregset32_t=yes
 else
@@ -4745,12 +4988,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_prfpregset32_t" 1>&6
 
   echo $ac_n "checking for lwpid_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4749: checking for lwpid_t in sys/procfs.h" >&5
+echo "configure:4992: checking for lwpid_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_lwpid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4754 "configure"
+#line 4997 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -4759,7 +5002,7 @@ int main() {
 lwpid_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:4763: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5006: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_lwpid_t=yes
 else
@@ -4781,12 +5024,12 @@ EOF
  echo "$ac_t""$bfd_cv_have_sys_procfs_type_lwpid_t" 1>&6
 
   echo $ac_n "checking for psaddr_t in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4785: checking for psaddr_t in sys/procfs.h" >&5
+echo "configure:5028: checking for psaddr_t in sys/procfs.h" >&5
  if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_psaddr_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4790 "configure"
+#line 5033 "configure"
 #include "confdefs.h"
 
 #define _SYSCALL32
@@ -4795,7 +5038,7 @@ int main() {
 psaddr_t avar
 ; return 0; }
 EOF
-if { (eval echo configure:4799: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5042: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   bfd_cv_have_sys_procfs_type_psaddr_t=yes
 else
@@ -4819,12 +5062,12 @@ EOF
 
     
   echo $ac_n "checking for struct link_map32 in sys/link.h""... $ac_c" 1>&6
-echo "configure:4823: checking for struct link_map32 in sys/link.h" >&5
+echo "configure:5066: checking for struct link_map32 in sys/link.h" >&5
   if eval "test \"`echo '$''{'gdb_cv_have_struct_link_map32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4828 "configure"
+#line 5071 "configure"
 #include "confdefs.h"
 #define _SYSCALL32
 #include <sys/link.h>
@@ -4832,7 +5075,7 @@ int main() {
 struct link_map32 l;
 ; return 0; }
 EOF
-if { (eval echo configure:4836: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5079: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_have_struct_link_map32=yes
 else
@@ -4856,7 +5099,7 @@ EOF
         
   if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
     echo $ac_n "checking whether prfpregset_t type is broken""... $ac_c" 1>&6
-echo "configure:4860: checking whether prfpregset_t type is broken" >&5
+echo "configure:5103: checking whether prfpregset_t type is broken" >&5
     if eval "test \"`echo '$''{'gdb_cv_prfpregset_t_broken'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4864,7 +5107,7 @@ else
   gdb_cv_prfpregset_t_broken=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 4868 "configure"
+#line 5111 "configure"
 #include "confdefs.h"
 #include <sys/procfs.h>
        int main ()
@@ -4874,7 +5117,7 @@ else
          return 0;
        }
 EOF
-if { (eval echo configure:4878: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5121: \"$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
@@ -4899,12 +5142,12 @@ EOF
 
   
   echo $ac_n "checking for PIOCSET ioctl entry in sys/procfs.h""... $ac_c" 1>&6
-echo "configure:4903: checking for PIOCSET ioctl entry in sys/procfs.h" >&5
+echo "configure:5146: checking for PIOCSET ioctl entry in sys/procfs.h" >&5
   if eval "test \"`echo '$''{'gdb_cv_have_procfs_piocset'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4908 "configure"
+#line 5151 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 #include <sys/types.h>
@@ -4917,7 +5160,7 @@ int main() {
   
 ; return 0; }
 EOF
-if { (eval echo configure:4921: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5164: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_have_procfs_piocset=yes
 else
@@ -4939,7 +5182,7 @@ EOF
 fi
 
 echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:4943: checking for main in -lm" >&5
+echo "configure:5186: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4947,14 +5190,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4951 "configure"
+#line 5194 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4958: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5201: \"$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
@@ -4983,7 +5226,7 @@ fi
 
 
 echo $ac_n "checking for wctype in -lc""... $ac_c" 1>&6
-echo "configure:4987: checking for wctype in -lc" >&5
+echo "configure:5230: checking for wctype in -lc" >&5
 ac_lib_var=`echo c'_'wctype | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4991,7 +5234,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4995 "configure"
+#line 5238 "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
@@ -5002,7 +5245,7 @@ int main() {
 wctype()
 ; return 0; }
 EOF
-if { (eval echo configure:5006: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5249: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5021,7 +5264,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for wctype in -lw""... $ac_c" 1>&6
-echo "configure:5025: checking for wctype in -lw" >&5
+echo "configure:5268: checking for wctype in -lw" >&5
 ac_lib_var=`echo w'_'wctype | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5029,7 +5272,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lw  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5033 "configure"
+#line 5276 "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
@@ -5040,7 +5283,7 @@ int main() {
 wctype()
 ; return 0; }
 EOF
-if { (eval echo configure:5044: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5287: \"$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
@@ -5072,12 +5315,12 @@ fi
 
 
 echo $ac_n "checking for long long support in compiler""... $ac_c" 1>&6
-echo "configure:5076: checking for long long support in compiler" >&5
+echo "configure:5319: checking for long long support in compiler" >&5
 if eval "test \"`echo '$''{'gdb_cv_c_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5081 "configure"
+#line 5324 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -5087,7 +5330,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5091: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5334: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_c_long_long=yes
 else
@@ -5109,7 +5352,7 @@ fi
 
 
 echo $ac_n "checking for long long support in printf""... $ac_c" 1>&6
-echo "configure:5113: checking for long long support in printf" >&5
+echo "configure:5356: checking for long long support in printf" >&5
 if eval "test \"`echo '$''{'gdb_cv_printf_has_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5117,7 +5360,7 @@ else
   gdb_cv_printf_has_long_long=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5121 "configure"
+#line 5364 "configure"
 #include "confdefs.h"
 
 int main () {
@@ -5131,7 +5374,7 @@ int main () {
   return (strcmp ("0x0123456789abcdef", buf));
 }
 EOF
-if { (eval echo configure:5135: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5378: \"$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
@@ -5155,19 +5398,19 @@ echo "$ac_t""$gdb_cv_printf_has_long_long" 1>&6
 
 
 echo $ac_n "checking for long double support in compiler""... $ac_c" 1>&6
-echo "configure:5159: checking for long double support in compiler" >&5
+echo "configure:5402: checking for long double support in compiler" >&5
 if eval "test \"`echo '$''{'ac_cv_c_long_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5164 "configure"
+#line 5407 "configure"
 #include "confdefs.h"
 
 int main() {
 long double foo;
 ; return 0; }
 EOF
-if { (eval echo configure:5171: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5414: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_long_double=yes
 else
@@ -5189,7 +5432,7 @@ fi
 
 
 echo $ac_n "checking for long double support in printf""... $ac_c" 1>&6
-echo "configure:5193: checking for long double support in printf" >&5
+echo "configure:5436: checking for long double support in printf" >&5
 if eval "test \"`echo '$''{'gdb_cv_printf_has_long_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5197,7 +5440,7 @@ else
   gdb_cv_printf_has_long_double=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5201 "configure"
+#line 5444 "configure"
 #include "confdefs.h"
 
 int main () {
@@ -5207,7 +5450,7 @@ int main () {
   return (strncmp ("3.14159", buf, 7));
 }
 EOF
-if { (eval echo configure:5211: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5454: \"$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
@@ -5231,7 +5474,7 @@ echo "$ac_t""$gdb_cv_printf_has_long_double" 1>&6
 
 
 echo $ac_n "checking for long double support in scanf""... $ac_c" 1>&6
-echo "configure:5235: checking for long double support in scanf" >&5
+echo "configure:5478: checking for long double support in scanf" >&5
 if eval "test \"`echo '$''{'gdb_cv_scanf_has_long_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5239,7 +5482,7 @@ else
   gdb_cv_scanf_has_long_double=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5243 "configure"
+#line 5486 "configure"
 #include "confdefs.h"
 
 int main () {
@@ -5249,7 +5492,7 @@ int main () {
   return !(f > 3.14159 && f < 3.14160);
 }
 EOF
-if { (eval echo configure:5253: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5496: \"$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
@@ -5275,17 +5518,17 @@ 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:5279: checking for $ac_hdr" >&5
+echo "configure:5522: 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 5284 "configure"
+#line 5527 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5289: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5532: \"$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*
@@ -5314,12 +5557,12 @@ done
 for ac_func in getpagesize
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5318: checking for $ac_func" >&5
+echo "configure:5561: 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 5323 "configure"
+#line 5566 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5342,7 +5585,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5346: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5589: \"$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
@@ -5367,7 +5610,7 @@ fi
 done
 
 echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:5371: checking for working mmap" >&5
+echo "configure:5614: checking for working mmap" >&5
 if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5375,7 +5618,7 @@ else
   ac_cv_func_mmap_fixed_mapped=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 5379 "configure"
+#line 5622 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test.
@@ -5515,7 +5758,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:5519: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5762: \"$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
@@ -5544,7 +5787,7 @@ if test ${build} = ${host} -a ${host} = ${target} ; then
    case ${host_os} in
    hpux*)
       echo $ac_n "checking for HPUX/OSF thread support""... $ac_c" 1>&6
-echo "configure:5548: checking for HPUX/OSF thread support" >&5
+echo "configure:5791: checking for HPUX/OSF thread support" >&5
       if test -f /usr/include/dce/cma_config.h ; then
          if test "$GCC" = "yes" ; then
             echo "$ac_t""yes" 1>&6
@@ -5563,7 +5806,7 @@ EOF
       ;;
    solaris*)
       echo $ac_n "checking for Solaris thread debugging library""... $ac_c" 1>&6
-echo "configure:5567: checking for Solaris thread debugging library" >&5
+echo "configure:5810: checking for Solaris thread debugging library" >&5
       if test -f /usr/lib/libthread_db.so.1 ; then
          echo "$ac_t""yes" 1>&6
          cat >> confdefs.h <<\EOF
@@ -5573,7 +5816,7 @@ EOF
          CONFIG_LIB_OBS="${CONFIG_LIB_OBS} sol-thread.o"
          CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
          echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:5577: checking for dlopen in -ldl" >&5
+echo "configure:5820: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5581,7 +5824,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5585 "configure"
+#line 5828 "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
@@ -5592,7 +5835,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:5596: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5839: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5624,17 +5867,17 @@ fi
             # all symbols visible in the dynamic symbol table.
             hold_ldflags=$LDFLAGS
             echo $ac_n "checking for the ld -export-dynamic flag""... $ac_c" 1>&6
-echo "configure:5628: checking for the ld -export-dynamic flag" >&5
+echo "configure:5871: checking for the ld -export-dynamic flag" >&5
             LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
             cat > conftest.$ac_ext <<EOF
-#line 5631 "configure"
+#line 5874 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:5638: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5881: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   found=yes
 else
@@ -5653,13 +5896,13 @@ 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""... $ac_c" 1>&6
-echo "configure:5657: checking if <proc_service.h> is old" >&5
+echo "configure:5900: checking if <proc_service.h> is old" >&5
 	 if eval "test \"`echo '$''{'gdb_cv_proc_service_is_old'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 	    cat > conftest.$ac_ext <<EOF
-#line 5663 "configure"
+#line 5906 "configure"
 #include "confdefs.h"
 
 		#include <proc_service.h>
@@ -5670,7 +5913,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5674: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5917: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_proc_service_is_old=no
 else
@@ -5887,7 +6130,7 @@ WERROR_CFLAGS=""
 if test "x${build_warnings}" != x -a "x$GCC" = xyes
 then
     echo $ac_n "checking compiler warning flags""... $ac_c" 1>&6
-echo "configure:5891: checking compiler warning flags" >&5
+echo "configure:6134: 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
@@ -5950,12 +6193,12 @@ fi
 
 if test $want_included_regex = false; then
   echo $ac_n "checking for GNU regex""... $ac_c" 1>&6
-echo "configure:5954: checking for GNU regex" >&5
+echo "configure:6197: checking for GNU regex" >&5
   if eval "test \"`echo '$''{'gdb_cv_have_gnu_regex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5959 "configure"
+#line 6202 "configure"
 #include "confdefs.h"
 #include <gnu-versions.h>
 #include <sys/types.h>
@@ -5967,7 +6210,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5971: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6214: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdb_cv_have_gnu_regex=yes
 else
@@ -5996,12 +6239,12 @@ fi
 
 # In the Cygwin environment, we need some additional flags.
 echo $ac_n "checking for cygwin""... $ac_c" 1>&6
-echo "configure:6000: checking for cygwin" >&5
+echo "configure:6243: checking for cygwin" >&5
 if eval "test \"`echo '$''{'gdb_cv_os_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6005 "configure"
+#line 6248 "configure"
 #include "confdefs.h"
 
 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
@@ -6039,7 +6282,7 @@ if test x$gdb_cv_os_cygwin = xyes; then
 else
   TERM_LIB=
   echo $ac_n "checking for tgetent in -lncurses""... $ac_c" 1>&6
-echo "configure:6043: checking for tgetent in -lncurses" >&5
+echo "configure:6286: checking for tgetent in -lncurses" >&5
 ac_lib_var=`echo ncurses'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6047,7 +6290,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lncurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6051 "configure"
+#line 6294 "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
@@ -6058,7 +6301,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:6062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6305: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6077,7 +6320,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -lHcurses""... $ac_c" 1>&6
-echo "configure:6081: checking for tgetent in -lHcurses" >&5
+echo "configure:6324: checking for tgetent in -lHcurses" >&5
 ac_lib_var=`echo Hcurses'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6085,7 +6328,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lHcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6089 "configure"
+#line 6332 "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
@@ -6096,7 +6339,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:6100: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6343: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6115,7 +6358,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -ltermlib""... $ac_c" 1>&6
-echo "configure:6119: checking for tgetent in -ltermlib" >&5
+echo "configure:6362: checking for tgetent in -ltermlib" >&5
 ac_lib_var=`echo termlib'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6123,7 +6366,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltermlib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6127 "configure"
+#line 6370 "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
@@ -6134,7 +6377,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:6138: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6381: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6153,7 +6396,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -ltermcap""... $ac_c" 1>&6
-echo "configure:6157: checking for tgetent in -ltermcap" >&5
+echo "configure:6400: checking for tgetent in -ltermcap" >&5
 ac_lib_var=`echo termcap'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6161,7 +6404,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltermcap  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6165 "configure"
+#line 6408 "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
@@ -6172,7 +6415,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:6176: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6419: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6191,7 +6434,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -lcurses""... $ac_c" 1>&6
-echo "configure:6195: checking for tgetent in -lcurses" >&5
+echo "configure:6438: checking for tgetent in -lcurses" >&5
 ac_lib_var=`echo curses'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6199,7 +6442,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6203 "configure"
+#line 6446 "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
@@ -6210,7 +6453,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:6214: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6457: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6229,7 +6472,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for tgetent in -lterminfo""... $ac_c" 1>&6
-echo "configure:6233: checking for tgetent in -lterminfo" >&5
+echo "configure:6476: checking for tgetent in -lterminfo" >&5
 ac_lib_var=`echo terminfo'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6237,7 +6480,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lterminfo  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6241 "configure"
+#line 6484 "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
@@ -6248,7 +6491,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:6252: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6495: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6406,7 +6649,7 @@ if test "${with_tclconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Tcl configuration""... $ac_c" 1>&6
-echo "configure:6410: checking for Tcl configuration" >&5
+echo "configure:6653: checking for Tcl configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_tclconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6514,7 +6757,7 @@ if test "${with_tkconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Tk configuration""... $ac_c" 1>&6
-echo "configure:6518: checking for Tk configuration" >&5
+echo "configure:6761: checking for Tk configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_tkconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6610,7 +6853,7 @@ fi
 
 no_tcl=true
 echo $ac_n "checking for Tcl private headers. dir=${configdir}""... $ac_c" 1>&6
-echo "configure:6614: checking for Tcl private headers. dir=${configdir}" >&5
+echo "configure:6857: 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="$with_tclinclude"
@@ -6676,17 +6919,17 @@ fi
 if test x"${ac_cv_c_tclh}" = x ; then
    ac_safe=`echo "tclInt.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for tclInt.h""... $ac_c" 1>&6
-echo "configure:6680: checking for tclInt.h" >&5
+echo "configure:6923: checking for tclInt.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6685 "configure"
+#line 6928 "configure"
 #include "confdefs.h"
 #include <tclInt.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6690: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6933: \"$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*
@@ -6746,7 +6989,7 @@ fi
 #
 no_tk=true
 echo $ac_n "checking for Tk private headers""... $ac_c" 1>&6
-echo "configure:6750: checking for Tk private headers" >&5
+echo "configure:6993: checking for Tk private headers" >&5
 # Check whether --with-tkinclude or --without-tkinclude was given.
 if test "${with_tkinclude+set}" = set; then
   withval="$with_tkinclude"
@@ -6812,17 +7055,17 @@ fi
 if test x"${ac_cv_c_tkh}" = x ; then
    ac_safe=`echo "tk.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for tk.h""... $ac_c" 1>&6
-echo "configure:6816: checking for tk.h" >&5
+echo "configure:7059: checking for tk.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6821 "configure"
+#line 7064 "configure"
 #include "confdefs.h"
 #include <tk.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6826: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7069: \"$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*
@@ -6868,7 +7111,7 @@ fi
 
 	   
 echo $ac_n "checking for Itcl private headers. srcdir=${srcdir}""... $ac_c" 1>&6
-echo "configure:6872: checking for Itcl private headers. srcdir=${srcdir}" >&5
+echo "configure:7115: 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
@@ -6891,7 +7134,7 @@ fi
 
 	   
 echo $ac_n "checking for Itk private headers. srcdir=${srcdir}""... $ac_c" 1>&6
-echo "configure:6895: checking for Itk private headers. srcdir=${srcdir}" >&5
+echo "configure:7138: 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
@@ -6914,7 +7157,7 @@ fi
 
 	   
 echo $ac_n "checking for Tix private headers. srcdir=${srcdir}""... $ac_c" 1>&6
-echo "configure:6918: checking for Tix private headers. srcdir=${srcdir}" >&5
+echo "configure:7161: 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 $i/generic/tix.h ; then
@@ -6952,7 +7195,7 @@ if test "${with_itclconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Itcl configuration""... $ac_c" 1>&6
-echo "configure:6956: checking for Itcl configuration" >&5
+echo "configure:7199: checking for Itcl configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_itclconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7064,7 +7307,7 @@ if test "${with_itkconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Itk configuration""... $ac_c" 1>&6
-echo "configure:7068: checking for Itk configuration" >&5
+echo "configure:7311: checking for Itk configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_itkconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7176,7 +7419,7 @@ if test "${with_tixconfig+set}" = set; then
 fi
 
   echo $ac_n "checking for Tix configuration""... $ac_c" 1>&6
-echo "configure:7180: checking for Tix configuration" >&5
+echo "configure:7423: checking for Tix configuration" >&5
   if eval "test \"`echo '$''{'ac_cv_c_tixconfig'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7316,7 +7559,7 @@ 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:7320: checking for X" >&5
+echo "configure:7563: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -7378,12 +7621,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 7382 "configure"
+#line 7625 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7387: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7630: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7452,14 +7695,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7456 "configure"
+#line 7699 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:7463: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7706: \"$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.
@@ -7799,7 +8042,7 @@ fi
 
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:7803: checking whether ln -s works" >&5
+echo "configure:8046: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7823,12 +8066,12 @@ fi
 
 
 echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:7827: checking for Cygwin environment" >&5
+echo "configure:8070: checking for Cygwin environment" >&5
 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7832 "configure"
+#line 8075 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -7839,7 +8082,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:7843: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8086: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -7856,19 +8099,19 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:7860: checking for mingw32 environment" >&5
+echo "configure:8103: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7865 "configure"
+#line 8108 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:7872: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8115: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -7887,7 +8130,7 @@ test "$ac_cv_mingw32" = yes && MINGW32=yes
 
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:7891: checking for executable suffix" >&5
+echo "configure:8134: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7897,7 +8140,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:7901: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:8144: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj | *.ilk | *.pdb) ;;
diff --git a/gdb/configure.in b/gdb/configure.in
index c9ed2e3..4c09049 100644
--- a/gdb/configure.in
+++ b/gdb/configure.in
@@ -130,7 +130,8 @@ AC_HEADER_STAT
 
 AC_C_CONST
 
-AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask vfork)
+AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask)
+AC_FUNC_VFORK
 AC_FUNC_ALLOCA
 
 # See if machine/reg.h supports the %fs and %gs i386 segment registers.
diff --git a/gdb/fork-child.c b/gdb/fork-child.c
index e97f451..3e889da 100644
--- a/gdb/fork-child.c
+++ b/gdb/fork-child.c
@@ -25,6 +25,7 @@
 #include "inferior.h"
 #include "target.h"
 #include "gdb_wait.h"
+#include "gdb_vfork.h"
 #include "gdbcore.h"
 #include "terminal.h"
 #include "gdbthread.h"
@@ -244,14 +245,10 @@ fork_inferior (char *exec_file, char *allargs, char **env,
   if (pre_trace_fun != NULL)
     (*pre_trace_fun) ();
 
-#ifdef HAVE_VFORK
   if (debug_fork)
     pid = fork ();
   else
     pid = vfork ();
-#else
-  pid = fork ();
-#endif
 
   if (pid < 0)
     perror_with_name ("vfork");
diff --git a/gdb/gdb_vfork.h b/gdb/gdb_vfork.h
new file mode 100644
index 0000000..b9cef96
--- /dev/null
+++ b/gdb/gdb_vfork.h
@@ -0,0 +1,28 @@
+/* GDB-friendly replacement for <vfork.h>.
+   Copyright 2001 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef GDB_VFORK_H
+#define GDB_VFORK_H
+
+#if HAVE_VFORK_H
+#include <vfork.h>
+#endif
+
+#endif /* GDB_VFORK_H */
diff --git a/gdb/ser-pipe.c b/gdb/ser-pipe.c
index 9c915b0..a172e71 100644
--- a/gdb/ser-pipe.c
+++ b/gdb/ser-pipe.c
@@ -24,6 +24,8 @@
 #include "serial.h"
 #include "ser-unix.h"
 
+#include "gdb_vfork.h"
+
 #include <sys/types.h>
 #include "gdb_wait.h"
 #include <sys/socket.h>
@@ -64,11 +66,7 @@ pipe_open (serial_t scb, const char *name)
   if (socketpair (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
     return -1;
 
-#ifdef HAVE_VFORK
   pid = vfork ();
-#else
-  pid = fork ();
-#endif
   
   /* Error. */
   if (pid == -1)