The HAVE_SKB_GSO_UDP checks whether skbuff.h defines SKB_GSO_UDP.
However, it falsely returns yes because grep matches SKB_GSO_UDP_TUNNEL.
Thus, add space character '[:space:]' before and after it.
Fixes: ad283644f0e4 ("acinclude: Check for SKB_GSO_UDP")
Signed-off-by: William Tu <[email protected]>
Cc: Greg Rose <[email protected]>
---
v1->v2
remove using "grep -w" since -w is not POSIX
---
acinclude.m4 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/acinclude.m4 b/acinclude.m4
index 89f88ca8de75..c653a75a356b 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -768,7 +768,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_helper.h],
[nf_conntrack_helper_put],
[OVS_DEFINE(HAVE_NF_CONNTRACK_HELPER_PUT)])
- OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h],[SKB_GSO_UDP],
+
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h],[[[[:space:]]]SKB_GSO_UDP[[[:space:]]]],
[OVS_DEFINE([HAVE_SKB_GSO_UDP])])
OVS_GREP_IFELSE([$KSRC/include/net/dst.h],[DST_NOCACHE],
[OVS_DEFINE([HAVE_DST_NOCACHE])])
--
2.7.4
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