2012-02-17 Benjamin Kosnik <bkoz@redhat.com>

[pf3gnuchains/gcc-fork.git] / libstdc++-v3 / acinclude.m4

diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index e7ffacc..46a5532 100644 (file)
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -729,7 +729,7 @@ AC_DEFUN([GLIBCXX_EXPORT_FLAGS], [
   # OPTIMIZE_CXXFLAGS = -O3 -fstrict-aliasing -fvtable-gc
   AC_SUBST(OPTIMIZE_CXXFLAGS)
 
-  WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual'
+  WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi'
   AC_SUBST(WARN_FLAGS)
 ])
 
@@ -3591,6 +3591,17 @@ AC_SUBST(python_mod_dir)
 GLIBCXX_CONDITIONAL(ENABLE_PYTHONDIR, test $python_mod_dir != no)
 ])
 
+dnl
+dnl Check to see if -Werror is disabled.
+dnl
+dnl --enable-werror/--disable-werror
+AC_DEFUN([GLIBCXX_ENABLE_WERROR], [
+  AC_MSG_CHECKING([for -Werror])
+  GLIBCXX_ENABLE(werror,$1,,[turns on -Werror])
+  AC_MSG_RESULT($enable_werror)
+  GLIBCXX_CONDITIONAL(ENABLE_WERROR, test $enable_werror = yes)
+])
+
 
 # Macros from the top-level gcc directory.
 m4_include([../config/gc++filt.m4])