[gtk+/native-layout] Add no-portability option to automake

[Tristan Van Berkom <tvb src gnome org>]

commit cd50594db8233ec14ecf2b84a98e9406d7081fe1
Author: Johan Dahlin <johan gnome org>
Date:   Thu Dec 10 09:58:51 2009 -0200

    Add no-portability option to automake
    
    We require GNU Make and has done so for a while already

 configure.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index 8a95a46..63f23cb 100644
--- a/configure.in
+++ b/configure.in
@@ -48,7 +48,7 @@ AC_CONFIG_MACRO_DIR([m4])
 # Save this value here, since automake will set cflags later
 cflags_set=${CFLAGS+set}
 
-AM_INIT_AUTOMAKE(no-define)
+AM_INIT_AUTOMAKE([no-define -Wno-portability])
 AM_CONFIG_HEADER(config.h)
 
 # Support silent build rules, requires at least automake-1.11. Enable