X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=acinclude.m4;h=69e61e0e916e2bdad20db4273c7e72a0c3fec88b;hb=a64e37a1d3990b9c2524d166119cb5564dc5d96c;hp=fa6f534deb3cfa4f1f276a7cc77ca0a67083c643;hpb=024405698d676c4c4906ab12e9c2fbe02b5ad902;p=sliver-openvswitch.git

diff --git a/acinclude.m4 b/acinclude.m4
index fa6f534de..69e61e0e9 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -14,6 +14,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+dnl OVS_ENABLE_WERROR
+AC_DEFUN([OVS_ENABLE_WERROR],
+  [AC_ARG_ENABLE(
+     [Werror],
+     [AC_HELP_STRING([--enable-Werror], [Add -Werror to CFLAGS])],
+     [], [enable_Werror=no])
+   AC_CONFIG_COMMANDS_PRE(
+     [if test "X$enable_Werror" = Xyes; then
+        CFLAGS="$CFLAGS -Werror"
+      fi])])
+
 dnl OVS_CHECK_LINUX26
 dnl
 dnl Configure linux kernel source tree