From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754647Ab1DUVIz (ORCPT ); Thu, 21 Apr 2011 17:08:55 -0400 Received: from pfepb.post.tele.dk ([195.41.46.236]:32891 "EHLO pfepb.post.tele.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753902Ab1DUVIx (ORCPT ); Thu, 21 Apr 2011 17:08:53 -0400 Date: Thu, 21 Apr 2011 23:08:52 +0200 From: Sam Ravnborg To: Michal Marek , linux-kbuild , lkml , Dave Jones Subject: [PATCH] kbuild: fix W=1 with gcc 4.3.2 Message-ID: <20110421210852.GA6196@merkur.ravnborg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Building a kernel using W=1 with gcc 4.3.2 failed like this: cc1: error: unrecognized command line option "-Wpacked-bitfield-compat" Make use of this option dependent on the compiler. Signed-off-by: Sam Ravnborg Cc: Dave Jones --- I do not see this a stable material - people running stable kernels have less value of W=1. And the amount of warnings are outright silly. We should really divide this up a bit so W=1 is semi usefull. Sam diff --git a/scripts/Makefile.build b/scripts/Makefile.build index d5f925a..b280284 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -73,7 +73,7 @@ KBUILD_EXTRA_WARNINGS += -Wnested-externs KBUILD_EXTRA_WARNINGS += -Wold-style-definition KBUILD_EXTRA_WARNINGS += $(call cc-option, -Woverlength-strings,) KBUILD_EXTRA_WARNINGS += -Wpacked -KBUILD_EXTRA_WARNINGS += -Wpacked-bitfield-compat +KBUILD_EXTRA_WARNINGS += $(call cc-option, -Wpacked-bitfield-compat) KBUILD_EXTRA_WARNINGS += -Wpadded KBUILD_EXTRA_WARNINGS += -Wpointer-arith KBUILD_EXTRA_WARNINGS += -Wredundant-decls