--- configure.ac.orig 2013-11-18 00:34:59.000000000 +0100
+++ configure.ac 2013-11-18 00:35:37.000000000 +0100
AC_INIT([netgen],[5.1],[],[])
-AM_INIT_AUTOMAKE([-Wall -Werror foreign])
+AM_INIT_AUTOMAKE([-Wall -Wno-extra-portability -Werror foreign])
AC_CONFIG_MACRO_DIR([m4])