[Bug go/55201] [4.8 regression] libgo.so: undefined reference to `__atomic_compare_exchange_8'

[ian at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55201

--- Comment #2 from ian at gcc dot gnu.org <ian at gcc dot gnu.org> 2012-12-18 14:28:31 UTC ---
Author: ian
Date: Tue Dec 18 14:28:24 2012
New Revision: 194581

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194581
Log:
libgo: Link against libatomic.

./:
    PR go/55201
    * Makefile.def (all-target-libgo): Depend on all-target-libatomic.
    * Makefile.in: Regenerate.
gcc/go:
    PR go/55201
    * gospec.c (LIBATOMIC): Define.
    (LIBATOMIC_PROFILE): Define.
    (lang_specific_driver): Add LIBATOMIC[_PROFILE] option.
gcc/testsuite:
    * lib/go.exp (go_link_flags): Add libatomic location to flags and
    ld_library_path.

Modified:
    trunk/ChangeLog
    trunk/Makefile.def
    trunk/Makefile.in
    trunk/gcc/go/ChangeLog
    trunk/gcc/go/gospec.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/lib/go.exp
    trunk/libgo/Makefile.am
    trunk/libgo/Makefile.in