+#if OWN_LIBIPTC
+# include "$srcdir/src/owniptc/libiptc.h"
+# include "$srcdir/src/owniptc/libip6tc.h"
+#else
+# include <libiptc/libiptc.h>
+# include <libiptc/libip6tc.h>
+#endif
+ ])
+fi
+# Check for the iptc_init symbol in the library.
+if test "x$with_libiptc" = "xyes" && test "x$with_own_libiptc" = "xno"
+then
+ AC_CHECK_LIB(iptc, iptc_init,
+ [
+ AC_DEFINE(HAVE_LIBIPTC, 1, [Define to 1 if you have the iptc library (-liptc).])
+ ],
+ [
+ with_libiptc="yes"
+ with_own_libiptc="yes"
+ ])
+fi
+# The system wide version failed for some reason. Check if we have the required
+# headers to build the shipped version.
+if test "x$with_libiptc" = "xyes" && test "x$with_own_libiptc" = "xyes"
+then
+ AC_CHECK_HEADERS(linux/netfilter_ipv4/ip_tables.h linux/netfilter_ipv6/ip6_tables.h linux/netfilter/x_tables.h, [],
+ [
+ with_libiptc="no (Linux iptables headers not found)"