Split out from <http://gcc.gnu.org/ml/gcc-patches/2012-09/msg00208.html>
Functionality was added in OpenBSD 4.3 and has been used by the system
compiler ever since.
Tested on i386-*-openbsd5.2 and amd64-*-openbsd5.2. Changes a couple
of FAILs on constructor/destructor related tests into PASSes.
2012-09-02 Mark Kettenis <kette...@openbsd.org>
* config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set
default_use_cxa_atexit to yes.
Index: config.gcc
===================================================================
--- config.gcc (revision 191120)
+++ config.gcc (working copy)
@@ -708,6 +708,11 @@
*-*-openbsd2.*|*-*-openbsd3.[012])
tm_defines="${tm_defines} HAS_LIBC_R=1" ;;
esac
+ case ${target} in
+ *-*-openbsd4.[3-9]|*-*-openbsd[5-9]*)
+ default_use_cxa_atexit=yes
+ ;;
+ esac
;;
*-*-rtems*)
case ${enable_threads} in
