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-rw-r--r--configure.ac11
1 files changed, 11 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 17ba184..e3ddcce 100644
--- a/configure.ac
+++ b/configure.ac
@@ -554,6 +554,17 @@ else
fi
fi
+AC_MSG_CHECKING([kernel source for iif to skb_iif rename in struct sk_buff])
+if test -f $ksourcedir/include/linux/skbuff.h && \
+ $AWK '/^struct sk_buff {/,/^};$/' $ksourcedir/include/linux/skbuff.h | \
+ $GREP -q 'skb_iif'; then
+ AC_MSG_RESULT(yes)
+ AC_SUBST(HAVE_SKB_IIF, define)
+else
+ AC_MSG_RESULT(no)
+ AC_SUBST(HAVE_SKB_IIF, undef)
+fi
+
AC_MSG_CHECKING([kernel source for struct net in struct xt_action_param])
if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
$AWK '/^struct xt_action_param /,/^}/' $ksourcedir/include/linux/netfilter/x_tables.h | \