--- configure.ac.orig	Mon Jan  1 18:36:21 2007
+++ configure.ac	Sat Jan 20 14:34:44 2007
@@ -83,6 +83,13 @@
 AC_FUNC_SELECT_ARGTYPES
 AC_CHECK_FUNCS([gethostbyaddr gethostbyname gettimeofday inet_ntoa memset select socket strcspn strdup strerror strncasecmp strcasecmp strspn])
 
+# FreeBSD has a slightly different NSS interface
+case ${host} in
+     *-freebsd*) freebsd="yes" ;;
+esac
+
+AM_CONDITIONAL([FREEBSD_NSS], [test "x$freebsd" = "xyes"])
+
 # If using GCC specify some additional parameters
 if test "x$GCC" = "xyes" ; then
    CFLAGS="$CFLAGS -pipe -W -Wall -pedantic"