diff -Naur net6-1.3.9.old/configure.ac net6-1.3.9/configure.ac
--- net6-1.3.9.old/configure.ac	2009-07-18 17:19:58.000000000 -0400
+++ net6-1.3.9/configure.ac	2009-07-18 17:21:24.000000000 -0400
@@ -73,17 +73,7 @@
 
 # Checks for libraries.
 PKG_CHECK_MODULES([libnet6], [sigc++-2.0])
-
-AM_PATH_LIBGNUTLS( 1.0.0,, AC_MSG_ERROR([[
-***
-*** libgnutls was not found. You may want to get it by using the
-*** package manager of your distribution or by compiling the source
-*** from ftp://ftp.gnutls.org/pub/gnutls/. This dependency is
-*** now mandatory.
-]]))
-addlibs="$addlibs $LIBGNUTLS_LIBS"
-addcflags="$LIBGNUTLS_CFLAGS"
-AC_SUBST(addcflags)
+PKG_CHECK_MODULES([LIBGNUTLS], [gnutls])
 
 # gettext / i18n
 AM_GNU_GETTEXT([external])