Once the requested patch to extend qsorting of init priorities to
destructors...
http://gcc.gnu.org/ml/gcc-patches/2013-02/msg00154.html
is committed, the following patch enables SUPPORTS_INIT_PRIORITY on darwin. The
testsuite regression results are...
http://gcc.gnu.org/ml/gcc-testresults/2013-02/msg00520.html
without and...
http://gcc.gnu.org/ml/gcc-testresults/2013-02/msg00522.html
with SUPPORTS_INIT_PRIORITY enabled. Only the g++.dg/special/conpr-3.C
execution test
fails as expected. The attached patch adds a dg-shouldfail on darwin for this
testcase
as darwin lacks inter-module init priority support. With this patch, we will
have the
same level of init priority support (ie only intra-modular) as clang.
Regression tested
on x86_64-apple-darwin12. Okay for gcc trunk after the destructor qsorting patch
is committed?
Jack
/gcc
2013-02-05 Jack Howarth <howa...@bromo.med.uc.edu>
* gcc/config/darwin.h: Enable SUPPORTS_INIT_PRIORITY.
/gcc/testsuite
2013-02-05 Jack Howarth <howa...@bromo.med.uc.edu>
* g++.dg/special/conpr-3.C: Add dg-shouldfail on *-apple-darwin*.
Index: gcc/testsuite/g++.dg/special/conpr-3.C
===================================================================
--- gcc/testsuite/g++.dg/special/conpr-3.C (revision 195747)
+++ gcc/testsuite/g++.dg/special/conpr-3.C (working copy)
@@ -1,5 +1,6 @@
/* { dg-do run { target init_priority } } */
/* { dg-additional-sources "conpr-3a.cc conpr-3b.cc" } */
+/* { dg-shouldfail "No inter-module priority support" { *-apple-darwin* } } */
#include <stdlib.h>
Index: gcc/config/darwin.h
===================================================================
--- gcc/config/darwin.h (revision 195747)
+++ gcc/config/darwin.h (working copy)
@@ -912,9 +912,8 @@ extern void darwin_driver_init (unsigned
darwin_driver_init (&decoded_options_count, &decoded_options)
#endif
-/* The Apple assembler and linker do not support constructor priorities. */
-#undef SUPPORTS_INIT_PRIORITY
-#define SUPPORTS_INIT_PRIORITY 0
+/* While the Apple assembler and linker do not support constructor priorities,
+ intra-module priority support is available through sort_cdtor_records. */
/* When building cross-compilers (and native crosses) we shall default to
providing an osx-version-min of this unless overridden by the User. */
