2009-01-28 Daniel Jacobowitz <dan@codesourcery.com>

Jerome Guitton  <guitton@adacore.com>

	* configure, config.in: Regenerated.
	* configure.ac: Add --with-system-gdbinit.
	* main.c (get_init_files): New.
	(captured_main): Use get_init_files.  Load system gdbinit before
	$HOME/.gdbinit.
	(print_gdb_help): Print location of init files.

gdb/configure

@@ -895,6 +895,7 @@ Optional Packages:
                           on systems with version 2 of the GNU C library
                           (use with caution on other system)
   --with-sysroot=DIR Search for usr/lib et al within DIR.
+  --with-system-gdbinit=file       Automatically load a system-wide gdbinit file
   --with-tcl              directory containing tcl configuration (tclConfig.sh)
   --with-tk               directory containing tk configuration (tkConfig.sh)
   --with-x                use the X Window System
@@ -19482,6 +19483,49 @@ fi;
 
 
 
+system_gdbinit=
+
+# Check whether --with-system-gdbinit or --without-system-gdbinit was given.
+if test "${with_system_gdbinit+set}" = set; then
+  withval="$with_system_gdbinit"
+  system_gdbinit=${withval}
+fi;
+
+
+  test "x$prefix" = xNONE && prefix="$ac_default_prefix"
+  test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+  ac_define_dir=`eval echo $system_gdbinit`
+  ac_define_dir=`eval echo $ac_define_dir`
+
+cat >>confdefs.h <<_ACEOF
+#define SYSTEM_GDBINIT "$ac_define_dir"
+_ACEOF
+
+
+
+if test "x$prefix" = xNONE; then
+  test_prefix=$ac_default_prefix
+else
+  test_prefix=$prefix
+fi
+if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
+  test_exec_prefix=$test_prefix
+else
+  test_exec_prefix=$exec_prefix
+fi
+case ${system_gdbinit} in
+ "${test_prefix}"|"${test_prefix}/"*|\
+ "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
+ '${prefix}'|'${prefix}/'*|\
+ '${exec_prefix}'|'${exec_prefix}/'*)
+
+cat >>confdefs.h <<\_ACEOF
+#define SYSTEM_GDBINIT_RELOCATABLE 1
+_ACEOF
+
+   ;;
+esac
+
 # Check whether --enable-werror or --disable-werror was given.
 if test "${enable_werror+set}" = set; then
   enableval="$enable_werror"