+echo -n "Checking for linux/netfilter_ipv4/ip_queue.h... "
+echo "#include <linux/netfilter_ipv4/ip_queue.h> int main() { return 0; }" > build_check.c
+$CC $CFLAGS $LDFLAGS build_check.c -lexpat -o fake > /dev/null 2> /dev/null
+if [ $? != 0 ]
+then
+ CHECK_IP_QUEUE_H=no
+ echo "no"
+else
+ CHECK_IP_QUEUE_H=yes
+ DEFS="$DEFS HAS_IP_QUEUE_H"
+ echo "yes"
+fi
+rm -f fake
+