X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=acinclude.m4;h=d5d7c095982dac6ed03048562541e695ea1b068f;hb=43aa5f47f1ece799ebb85cd1c8ddfdaefe7b7402;hp=42949209755d4702ce8d614a0cdd279527fca108;hpb=a14bc59fb8f27db193d74662dc9c5cb8237177ef;p=openvswitch

diff --git a/acinclude.m4 b/acinclude.m4
index 42949209..d5d7c095 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -133,6 +133,10 @@ AC_DEFUN([OVS_CHECK_LINUX26_COMPAT], [
                   [OVS_DEFINE([HAVE_NLA_NUL_STRING])])
   OVS_GREP_IFELSE([$KSRC26/include/linux/err.h], [ERR_CAST],
                   [OVS_DEFINE([HAVE_ERR_CAST])])
+  OVS_GREP_IFELSE([$KSRC26/include/net/checksum.h], [csum_unfold],
+                  [OVS_DEFINE([HAVE_CSUM_UNFOLD])])
+  OVS_GREP_IFELSE([$KSRC26/include/linux/skbuff.h], [skb_cow],
+                  [OVS_DEFINE([HAVE_SKB_COW])])
   OVS_CHECK_LOG2_H
   OVS_CHECK_VETH
   if cmp -s datapath/linux-2.6/kcompat.h.new \