From patchwork Sun Feb 20 16:35:10 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Borislav Petkov X-Patchwork-Id: 575861 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p1KGZc0d019001 for ; Sun, 20 Feb 2011 16:35:38 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753916Ab1BTQfR (ORCPT ); Sun, 20 Feb 2011 11:35:17 -0500 Received: from mail.skyhub.de ([78.46.96.112]:60411 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753849Ab1BTQfQ (ORCPT ); Sun, 20 Feb 2011 11:35:16 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTP id 5F7B01D996C; Sun, 20 Feb 2011 17:35:14 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alien8.de; s=alien8; t=1298219714; bh=urSYBsN9xU2xCJdPS7bnvQGjYqRC8Qhtku28CzxVRU4=; h=From:To:Cc:Subject:Date:Message-Id; b=P/uCIe5mnhgJYSvheC+Uei9LlOe SfshqqCZCGezA0NiW8YrB/C+9dq2MW9ePSO1PRqY6hvxLV4IUIZt/oR6izAxRngzBHq RdJFIgJ9GNNUkYuDusqh79xDKJlHI4iZNZxvO6IDJU99Tl9KqEHggP7H0cYyaZT/tjK faQ3NMEPb0= X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (door.skyhub.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 1tJ5FekktM9S; Sun, 20 Feb 2011 17:35:14 +0100 (CET) Received: from liondog.tnic (g229038177.adsl.alicedsl.de [92.229.38.177]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id F05A11D9968; Sun, 20 Feb 2011 17:35:13 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alien8.de; s=alien8; t=1298219714; bh=urSYBsN9xU2xCJdPS7bnvQGjYqRC8Qhtku28CzxVRU4=; h=From:To:Cc:Subject:Date:Message-Id; b=P/uCIe5mnhgJYSvheC+Uei9LlOe SfshqqCZCGezA0NiW8YrB/C+9dq2MW9ePSO1PRqY6hvxLV4IUIZt/oR6izAxRngzBHq RdJFIgJ9GNNUkYuDusqh79xDKJlHI4iZNZxvO6IDJU99Tl9KqEHggP7H0cYyaZT/tjK faQ3NMEPb0= Received: by liondog.tnic (Postfix, from userid 1000) id 3A5144B880C; Sun, 20 Feb 2011 17:35:12 +0100 (CET) From: Borislav Petkov To: Michal Marek Cc: , , linux-kernel@vger.kernel.org, Borislav Petkov , Ingo Molnar , linux-kbuild@vger.kernel.org Subject: [PATCH] kbuild: Add extra gcc checks Date: Sun, 20 Feb 2011 17:35:10 +0100 Message-Id: <1298219710-9846-1-git-send-email-bp@alien8.de> X-Mailer: git-send-email 1.7.4.1.48.g5673d Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Sun, 20 Feb 2011 16:35:49 +0000 (UTC) diff --git a/Makefile b/Makefile index c9c8c8f..a783a69 100644 --- a/Makefile +++ b/Makefile @@ -102,6 +102,10 @@ ifeq ("$(origin O)", "command line") KBUILD_OUTPUT := $(O) endif +ifeq ("$(origin W)", "command line") + KBUILD_ENABLE_EXTRA_WARNINGS = 1 +endif + # That's our default target when none is given on the command line PHONY := _all _all: @@ -363,6 +367,32 @@ KBUILD_AFLAGS_MODULE := -DMODULE KBUILD_CFLAGS_MODULE := -DMODULE KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds +ifdef KBUILD_ENABLE_EXTRA_WARNINGS +KBUILD_CFLAGS += -Wextra -Wno-unused +KBUILD_CFLAGS += -Waggregate-return +KBUILD_CFLAGS += -Wbad-function-cast +KBUILD_CFLAGS += -Wcast-qual +KBUILD_CFLAGS += -Wcast-align +KBUILD_CFLAGS += -Wconversion +KBUILD_CFLAGS += -Wdisabled-optimization +KBUILD_CFLAGS += -Wlogical-op +KBUILD_CFLAGS += -Wmissing-declarations +KBUILD_CFLAGS += -Wmissing-format-attribute +KBUILD_CFLAGS += -Wmissing-include-dirs +KBUILD_CFLAGS += -Wmissing-prototypes +KBUILD_CFLAGS += -Wnested-externs +KBUILD_CFLAGS += -Wold-style-definition +KBUILD_CFLAGS += -Woverlength-strings +KBUILD_CFLAGS += -Wpacked +KBUILD_CFLAGS += -Wpacked-bitfield-compat +KBUILD_CFLAGS += -Wpadded +KBUILD_CFLAGS += -Wpointer-arith +KBUILD_CFLAGS += -Wredundant-decls +KBUILD_CFLAGS += -Wshadow +KBUILD_CFLAGS += -Wswitch-default +KBUILD_CFLAGS += -Wvla +endif + # Read KERNELRELEASE from include/config/kernel.release (if it exists) KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null) KERNELVERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) @@ -1262,6 +1292,7 @@ help: @echo ' make O=dir [targets] Locate all output files in "dir", including .config' @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' @echo ' make C=2 [targets] Force check of all c source with $$CHECK' + @echo ' make W=1 [targets] Enable extra gcc checks' @echo '' @echo 'Execute "make" or "make all" to build all targets marked with [*] ' @echo 'For further info see the ./README file'