[RFA/commit?] Add gdb to the list of supported dirs on x86_64-darwin

[Joel Brobecker <brobecker@adacore.com>]

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Hello,

I found this patch from Tristan Gingold from one of our source trees...
It's one of two very small patches that allow us to build GDB on
x86_64-darwin (right now, we only support x86-darwin), so I thought
I'd contribute it.

I'm not exactly clear who has jurisdiction over this type of change.
This file is in the root directory.  If I understand the MAINTAINERS
file correctly, it looks like any Global Maintainer from either GCC,
or Binutils, or GDB, etc, can approve it? (I'm GM for GDB)

2009-03-16  Tristan Gingold  <gingold@adacore.com>

        * configure.ac: Treat gdb as supported on x86_64-darwin.
        * configure: Regenerate.

Tested on x86_64-darwin by building the debugger. GDB is missing
another configure patch, but I'll commit it shortly.

OK to checkin?
-- 
Joel

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Index: configure.ac
===================================================================
RCS file: /cvs/src/src/configure.ac,v
retrieving revision 1.59
diff -u -p -r1.59 configure.ac
--- configure.ac	16 Mar 2009 13:29:49 -0000	1.59
+++ configure.ac	16 Mar 2009 14:49:26 -0000
@@ -446,11 +446,11 @@ case "${target}" in
   *-*-chorusos)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
     ;;
-  powerpc-*-darwin* | x86_64-*-darwin[[912]]*)
+  powerpc-*-darwin*)
     noconfigdirs="$noconfigdirs ld gas gdb gprof"
     noconfigdirs="$noconfigdirs sim target-rda"
     ;;
-  i[[3456789]]86-*-darwin*)
+  i[[3456789]]86-*-darwin* | x86_64-*-darwin9*)
     noconfigdirs="$noconfigdirs ld gas gprof"
     noconfigdirs="$noconfigdirs sim target-rda"
     ;;
Index: configure
===================================================================
RCS file: /cvs/src/src/configure,v
retrieving revision 1.313
diff -u -p -r1.313 configure
--- configure	16 Mar 2009 13:29:49 -0000	1.313
+++ configure	16 Mar 2009 14:49:28 -0000
@@ -2211,11 +2211,11 @@ case "${target}" in
   *-*-chorusos)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
     ;;
-  powerpc-*-darwin* | x86_64-*-darwin[912]*)
+  powerpc-*-darwin*)
     noconfigdirs="$noconfigdirs ld gas gdb gprof"
     noconfigdirs="$noconfigdirs sim target-rda"
     ;;
-  i[3456789]86-*-darwin*)
+  i[3456789]86-*-darwin* | x86_64-*-darwin9*)
     noconfigdirs="$noconfigdirs ld gas gprof"
     noconfigdirs="$noconfigdirs sim target-rda"
     ;;