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authorBen Pfaff <blp@nicira.com>2010-05-14 15:44:39 -0700
committerBen Pfaff <blp@nicira.com>2010-05-17 09:35:31 -0700
commit85444c3f79f594c838d4b3e72ff27e263514f194 (patch)
tree43d420f3e19bebdb9a2e22c45e5025f89dbc3c91 /acinclude.m4
parent4aa13c0c348cf78d28095196139489392eae1c67 (diff)
datapath: Fix build with backported skb_dst().
An upcoming backport adds skb_dst() to a pre-2.6.31 Linux kernel, so we have to check for the presence of an skb_dst() definition instead of for the particular kernel version.
Diffstat (limited to 'acinclude.m4')
-rw-r--r--acinclude.m42
1 files changed, 2 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
index 70498a99..8643cf7b 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -160,6 +160,8 @@ AC_DEFUN([OVS_CHECK_LINUX26_COMPAT], [
[OVS_DEFINE([HAVE_PROTO_DATA_VALID])])
OVS_GREP_IFELSE([$KSRC26/include/linux/skbuff.h], [raw],
[OVS_DEFINE([HAVE_MAC_RAW])])
+ OVS_GREP_IFELSE([$KSRC26/include/linux/skbuff.h], [skb_dst(],
+ [OVS_DEFINE([HAVE_SKB_DST_ACCESSOR_FUNCS])])
OVS_GREP_IFELSE([$KSRC26/include/linux/skbuff.h],
[skb_copy_from_linear_data_offset],
[OVS_DEFINE([HAVE_SKB_COPY_FROM_LINEAR_DATA_OFFSET])])