Bug#101901: g++-3.0 and --use-cxa-atexit

[Matthias Klose <doko@cs.tu-berlin.de>]

Daniel Jacobowitz writes:
 > On Sat, Jun 23, 2001 at 02:47:51PM +0200, Matthias Klose wrote:
 > > Chris, any support in ld needed?
 > > 
 > > laurent bonnaud writes:
 > >  > Package: g++-3.0
 > >  > Version: 1:3.0-1
 > >  > Severity: normal
 > >  > 
 > >  > 
 > >  > Hi,
 > >  > 
 > >  > according to http://gcc.gnu.org/bugs.html#known, it would seem to be a good
 > >  > idea to compile g++-3.0 with the --use-cxa-atexit switch:
 > 
 > Note that it actually says you need to link your -programs-, not
 > configure your compiler, with this flag.
 > 
 > Also, it is -fuse-cxa-atexit.

Ok to enable -fuse-cxa-atexit as default? According to Laurents
citations this should be safe for Linux glibc. Safe for the Hurd as
well?

--- src/gcc/cp/decl2.c~ Wed Jun  6 23:51:11 2001
+++ src/gcc/cp/decl2.c  Sat Jun 23 13:40:36 2001
@@ -401,7 +401,7 @@
 /* Nonzero to use __cxa_atexit, rather than atexit, to register
    destructors for local statics and global objects.  */
 
-int flag_use_cxa_atexit;
+int flag_use_cxa_atexit = 1;
 
 /* Nonzero to not ignore namespace std. */