make sure configure fails if libnfnetlink is too old (< 0.0.16)

diff --git a/configure.in b/configure.in
index a30ccc8..61074e2 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -17,8 +17,8 @@ case $target in
 *) AC_MSG_ERROR([Linux only, dude!]);;
 esac
 
-AC_CHECK_LIB([nfnetlink], [nfnl_listen])
-AC_CHECK_HEADER([libnfnetlink/linux_nfnetlink.h], [AC_MSG_RESULT([found])], [AC_MSG_ERROR([libnfnetlink 0.0.12 or later needed])])
+AC_CHECK_LIB(nfnetlink, nfnl_subsys_open, AC_MSG_RESULT(found), AC_MSG_ERROR([libnfnetlink 0.0.16 or later needed]))
+AC_CHECK_HEADER([libnfnetlink/linux_nfnetlink.h], [AC_MSG_RESULT([found])], [AC_MSG_ERROR([libnfnetlink 0.0.16 or later needed])])
 
 dnl Output the makefiles
 AC_OUTPUT(Makefile include/Makefile include/libnetfilter_queue/Makefile src/Makefile utils/Makefile)