build: Allow building with autoconf 2.63

[cascardo/ovs.git] / m4 / openvswitch.m4

diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
index fa741f6..1308d1c 100644 (file)
--- a/m4/openvswitch.m4
+++ b/m4/openvswitch.m4
@@ -13,6 +13,8 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+#
+m4_include([m4/compat.at])
 
 dnl Checks for --enable-coverage and updates CFLAGS and LDFLAGS appropriately.
 AC_DEFUN([OVS_CHECK_COVERAGE],