X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=acinclude.m4;h=69e61e0e916e2bdad20db4273c7e72a0c3fec88b;hb=ebea37cc67751a05dbefec0246fb2a62576f4389;hp=5843bfa588e7dec5eaf960009edf7777a764f51e;hpb=23e795f4dd9af5191773a5ee840642737a37e91d;p=openvswitch

diff --git a/acinclude.m4 b/acinclude.m4
index 5843bfa5..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 
@@ -211,6 +222,9 @@ AC_DEFUN([OVS_CHECK_LINUX26_COMPAT], [
 
   OVS_GREP_IFELSE([$KSRC26/include/linux/if_link.h], [rtnl_link_stats64])
 
+  OVS_GREP_IFELSE([$KSRC26/include/linux/if_vlan.h], [ADD_ALL_VLANS_CMD],
+                  [OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
+
   OVS_CHECK_LOG2_H
 
   if cmp -s datapath/linux-2.6/kcompat.h.new \