It seems charon-nm has to be linked against libnm-util.

That's at least the case for NetworkManager 0.9.4 in Ubuntu 12.04.

diff --git a/configure.in b/configure.in
index 43f664056b5bfbca054dc87780ff4eec8cdf5bb3..98ba98d7f322344876f8652e8a5bd320f893d12f 100755 (executable)
--- a/configure.in
+++ b/configure.in
@@ -732,8 +732,8 @@ fi
 
 if test x$nm = xtrue; then
        PKG_CHECK_EXISTS([libnm-glib],
-               [PKG_CHECK_MODULES(nm, [NetworkManager gthread-2.0 libnm-glib libnm-glib-vpn])],
-               [PKG_CHECK_MODULES(nm, [NetworkManager gthread-2.0 libnm_glib libnm_glib_vpn])]
+               [PKG_CHECK_MODULES(nm, [NetworkManager gthread-2.0 libnm-util libnm-glib libnm-glib-vpn])],
+               [PKG_CHECK_MODULES(nm, [NetworkManager gthread-2.0 libnm_util libnm_glib libnm_glib_vpn])]
        )
        AC_SUBST(nm_CFLAGS)
        AC_SUBST(nm_LIBS)