PATCH: Add --enable-__cxa_atexit

[H . J . Lu]

On Thu, Jun 06, 2002 at 12:58:51PM -0400, Jack Howarth wrote:
> Mark,
>    So then you accept HJ Lu's patch with the removal of the section
> which builds libstdc++v3 with -fno-use-cxa-atexit? I also wonder if
> we shouldn't have the default for --enable-use__cxa_atexit set to
> yes? You seem to be saying that using -fno-use-cxa-atexit will lead

I don't think it will work since __cxa_atexit is only available in
glibc 2.2. I can't even enable it for Linux by default. But I am
using this local change for my build.


H.J.
----
2002-06-03  H.J. Lu  (hjl@gnu.org)

	* config/linux.h (DEFAULT_USE_CXA_ATEXIT): Define as 1.

--- gcc/config/linux.h.order	Mon Jan  7 09:34:23 2002
+++ gcc/config/linux.h	Mon Jun  3 17:40:20 2002
@@ -110,3 +110,8 @@ Boston, MA 02111-1307, USA.  */
 
 /* Define this so we can compile MS code for use with WINE.  */
 #define HANDLE_PRAGMA_PACK_PUSH_POP
+
+/* Use __cxa_atexit, rather than atexit, to register C++ destructors
+   for local statics and global objects. */
+#undef DEFAULT_USE_CXA_ATEXIT
+#define DEFAULT_USE_CXA_ATEXIT	1