add library dependency checking

2 files changed, 13 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 78af5b2..c045f1f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,10 +1,12 @@
 version 0.9.4 (yet unreleased)
 ------------------------------
 
+o fix error message in configure.in (Eric Leblond)
+o add library dependency checking to configure.in
+
 = conntrackd =
 o simplify checksum code: use UDP/multicast checksum facilities
 o fix silly bug in build_network_message: out of bound memset
-o fix error message in configure.in (Eric Leblond)
 o remove useless backlog parameter in multicast sockets
 o remove reminiscents of delay destroy message and relax transitions
 o remove confusing StripNAT parameter: NAT support enabled by default
diff --git a/configure.in b/configure.in
index 37e7a9c..06c787f 100644
--- a/configure.in
+++ b/configure.in
@@ -16,6 +16,16 @@ case $target in
 *) AC_MSG_ERROR([Linux only, dude!]);;
 esac
 
+dnl Dependencies
+LIBNFNETLINK_REQUIRED=0.0.25
+LIBNETFILTER_CONNTRACK_REQUIRED=0.0.80
+
+PKG_CHECK_MODULES(LIBNFNETLINK, libnfnetlink >= $LIBNFNETLINK_REQUIRED,,
+        AC_MSG_ERROR(Cannot find libnfnetlink >= $LIBNFNETLINK_REQUIRED))
+
+PKG_CHECK_MODULES(LIBNETFILTER_CONNTRACK, libnetfilter_conntrack >= $LIBNETFILTER_CONNTRACK_REQUIRED,,
+        AC_MSG_ERROR(Cannot find libnetfilter_conntrack >= $LIBNETFILTER_CONNTRACK_REQUIRED))
+
 AC_CHECK_PROGS(XYACC,$YACC bison yacc,none)
 if test "$XYACC" = "none"
 then