* solib-svr4.c (LM_ADDR_CHECK): Relax prelink recognition heuristic.

[deliverable/binutils-gdb.git] / gdb / configure

diff --git a/gdb/configure b/gdb/configure
index fa0d2c3b694a26e13fea9137d3ef325e00d4bf87..a696cb683cbb40e8e52672c607e5a24c2ac1bb40 100755 (executable)
--- a/gdb/configure
+++ b/gdb/configure
@@ -19277,24 +19277,10 @@ _ACEOF
 
 fi
 
-# If we are configured native on GNU/Linux, work around problems with
-# sys/procfs.h
-# Also detect which type of /proc is in use, such as for Unixware or Solaris.
+# Detect which type of /proc is in use, such as for Unixware or Solaris.
 
 if test "${target}" = "${host}"; then
   case "${host}" in
-  i[3456]86-*-linux*)
-
-cat >>confdefs.h <<\_ACEOF
-#define START_INFERIOR_TRAPS_EXPECTED 2
-_ACEOF
-
-
-cat >>confdefs.h <<\_ACEOF
-#define sys_quotactl 1
-_ACEOF
-
-       ;;
   *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
 
 cat >>confdefs.h <<\_ACEOF
@@ -21811,6 +21797,82 @@ _ACEOF
 esac
 
 
+# Add ELF support to GDB, but only if BFD includes ELF support.
+OLD_CFLAGS=$CFLAGS
+OLD_LDFLAGS=$LDFLAGS
+OLD_LIBS=$LIBS
+CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
+LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
+LIBS="$LIBS -lbfd -liberty"
+echo "$as_me:$LINENO: checking for ELF support in BFD" >&5
+echo $ECHO_N "checking for ELF support in BFD... $ECHO_C" >&6
+if test "${gdb_cv_var_elf+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include "bfd.h"
+#include "elf-bfd.h"
+
+int
+main ()
+{
+bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+        { ac_try='test -z "$ac_c_werror_flag"
+                        || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+        { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gdb_cv_var_elf=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+gdb_cv_var_elf=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $gdb_cv_var_elf" >&5
+echo "${ECHO_T}$gdb_cv_var_elf" >&6
+if test $gdb_cv_var_elf = yes; then
+  CONFIG_OBS="$CONFIG_OBS elfread.o"
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ELF 1
+_ACEOF
+
+fi
+CFLAGS=$OLD_CFLAGS
+LDFLAGS=$OLD_LDFLAGS
+LIBS=$OLD_LIBS
+
 # Add any host-specific objects to GDB.
 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"