X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=acinclude.m4;h=69e61e0e916e2bdad20db4273c7e72a0c3fec88b;hb=0b9275b2c7ed2f88491898345e03618dbfbf4b0f;hp=e2bd2c6ff496ba581d4099f644fef0b78a71257d;hpb=ed2d4f6a5d6908e55e54117cdad45454dde93dac;p=openvswitch

diff --git a/acinclude.m4 b/acinclude.m4
index e2bd2c6f..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 
@@ -167,6 +178,7 @@ AC_DEFUN([OVS_CHECK_LINUX26_COMPAT], [
 
   OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_disable_lro])
   OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_get_stats])
+  OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_get_by_index_rcu])
 
   OVS_GREP_IFELSE([$KSRC26/include/linux/rcupdate.h], [rcu_read_lock_held], [],
                   [OVS_GREP_IFELSE([$KSRC26/include/linux/rtnetlink.h],
@@ -210,6 +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 \