Index: libnetfilter_log/configure.in
===================================================================
--- libnetfilter_log/configure.in	(revision 6554)
+++ libnetfilter_log/configure.in	(working copy)
@@ -18,9 +18,17 @@
 *) AC_MSG_ERROR([Linux only, dude!]);;
 esac
 
-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 Dependencies
+LIBNFNETLINK_REQUIRED=0.0.16
+ 
+PKG_CHECK_MODULES(LIBNFNETLINK, libnfnetlink >= $LIBNFNETLINK_REQUIRED,,
+	AC_MSG_ERROR(Cannot find libnfnetlink >= $LIBNFNETLINK_REQUIRED))
 
+CFLAGS="$CFLAGS $LIBNFNETLINK_CFLAGS"
+LIBNFLOG_LIBS="$LIBNFNETLINK_LIBS"
+ 
+AC_SUBST(LIBNFLOG_LIBS)
+
 dnl Output the makefile
 AC_OUTPUT(Makefile src/Makefile include/Makefile include/libnetfilter_log/Makefile utils/Makefile libnetfilter_log.pc)
 
Index: libnetfilter_log/src/Makefile.am
===================================================================
--- libnetfilter_log/src/Makefile.am	(revision 6554)
+++ libnetfilter_log/src/Makefile.am	(working copy)
@@ -3,8 +3,8 @@
 LIBVERSION=2:0:1
 
 INCLUDES = $(all_includes) -I$(top_srcdir)/include
-AM_CFLAGS=-fPIC -Wall
-LIBS=
+AM_CFLAGS = -fPIC -Wall
+LIBS = @LIBNFLOG_LIBS@
 
 lib_LTLIBRARIES = libnetfilter_log.la libnetfilter_log_libipulog.la