2012-02-17 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/47058
* acinclude.m4 (GLIBCXX_ENABLE_WERROR): New.
(GLIBCXX_EXPORT_FLAGS): Add -Wabi to WARN_FLAGS
* configure.ac: Use it.
* fragment.am: Set WERROR_FLAG conditionally on --disable-werror.
* configure: Regenerate.
* python/Makefile.in: Same.
* Makefile.in: Same.
* doc/Makefile.in: Same.
* include/Makefile.in: Same.
* po/Makefile.in: Same.
* python/Makefile.in: Same.
* src/Makefile.in: Same.
* src/c++11/Makefile.in: Same.
* src/c++98/Makefile.in: Same.
* testsuite/Makefile.in: Same.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184349
138bc75d-0d04-0410-961f-
82ee72b054a4