X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=acinclude.m4;h=69e61e0e916e2bdad20db4273c7e72a0c3fec88b;hb=f4ac3fc104d83edce7d3f2410a7b02cb56dd0ac2;hp=fa6f534deb3cfa4f1f276a7cc77ca0a67083c643;hpb=431488e6638d3fbb53d215fa10d2ff2d8f1c2824;p=openvswitch

diff --git a/acinclude.m4 b/acinclude.m4
index fa6f534d..69e61e0e 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