+if [ "$OS" = "linux" ]
+then
+ echo -n "Checking for linux/netfilter_ipv4/ip_queue.h... "
+ echo "#include <linux/types.h>" > build_check.c
+ echo "#include <linux/netfilter_ipv4/ip_queue.h>" >> build_check.c
+ echo "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"
+ PLUGINS="$PLUGINS
+ capture/ipq_linux"
+ echo "yes"
+ fi
+ rm -f fake
+fi
+