diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 61156690..e938e6f3 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -144,6 +144,13 @@ AC_DEFUN([OVS_CHECK_LINUX26_COMPAT], [ [OVS_DEFINE([HAVE_CSUM_UNFOLD])]) OVS_GREP_IFELSE([$KSRC26/include/linux/skbuff.h], [skb_cow], [OVS_DEFINE([HAVE_SKB_COW])]) + # Check for the proto_data_valid member in struct sk_buff. The [^@] + # is necessary because some versions of this header remove the + # member but retain the kerneldoc comment that describes it (which + # starts with @). The brackets must be doubled because of m4 + # quoting rules. + OVS_GREP_IFELSE([$KSRC26/include/linux/skbuff.h], [[[^@]]proto_data_valid], + [OVS_DEFINE([HAVE_PROTO_DATA_VALID])]) OVS_CHECK_LOG2_H OVS_CHECK_VETH if cmp -s datapath/linux-2.6/kcompat.h.new \ |