From patchwork Thu Oct 12 09:56:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 115601 Delivered-To: patch@linaro.org Received: by 10.140.22.163 with SMTP id 32csp1744605qgn; Thu, 12 Oct 2017 02:57:36 -0700 (PDT) X-Google-Smtp-Source: AOwi7QDNrMvW5pSWPRIoU9Hx/KhmVK8GPyBekL9wP9tGVLl/KF5hhOrTIs1G8ob8Cy1PjvAiwtAR X-Received: by 10.159.246.17 with SMTP id b17mr1746731pls.11.1507802256902; Thu, 12 Oct 2017 02:57:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1507802256; cv=none; d=google.com; s=arc-20160816; b=iLZ59LypsUOKwUrrD0imU9AeRaLv/CAjw0KYYvUDEkDxOhTrtndhJDQ49Jg7/OvgcQ tf8zatHuCurUpzA/wJhfk5zH3cBeOrhJbPfaP6TTkWFl1Nx35fQsF/y81q1Qwe4HkJSM sX9JFyJae4GqwSf+uZ7ke4TT5uv98E/v/2mv4X9rCX0DDJDeFbsfvHb6CTqEqZEaHF0d 4Nub2E1x9HBGv7MZ+nVteyCgEAowUuiTO8oHQe2WHaWbhtI9BTXy19eJupaco827NXE4 6pXq8Df2g4R7wXjF+lLQvZF7HC2/7pdZ9uiQPU0zTs2TdTaKMoS9lahmydjAgbjFHqO/ 0e/Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :dkim-signature:dkim-filter:arc-authentication-results; bh=PLF5WfpWcSSPsUSi0VlkN5E/fJ3P/P7WgT6yjNMe/wc=; b=M+WPgyRAwAfFo8Icn+Z4eGc4IMND158YHCAVbBrB4oaDFNKW17b+Y5bUZXBLMs9Psx UVlY2XkgP7gsbErjK5EG34zV/geZ45qytvv65skPkTD3sTtBQlbLsWO7pE4lyP1kHUwU s6GhcrNMkSoIV9jETDSX7j2+Zm5+pQtvOL66HsPNpaVeQWp1JPCj7RtMEsuHHeoNv2bE K9cUMvckpu1/wXS4Y3B6KNYtgNoE2sC9VDe3vX3YFonD2FSp/jUlKW866pN9lUZQ/C9S 2uxwuDJAzLoX4sAo2bLPef43E5p/n6wFTSusVu/yPja3ey0lzDeCDP9Z6/D/6Izr7HDn pR7Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=zltCAmXR; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x2si12319609pfk.436.2017.10.12.02.57.36; Thu, 12 Oct 2017 02:57:36 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=zltCAmXR; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752360AbdJLJ5f (ORCPT + 27 others); Thu, 12 Oct 2017 05:57:35 -0400 Received: from conuserg-10.nifty.com ([210.131.2.77]:26495 "EHLO conuserg-10.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750907AbdJLJ5d (ORCPT ); Thu, 12 Oct 2017 05:57:33 -0400 Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-10.nifty.com with ESMTP id v9C9uHcl005959; Thu, 12 Oct 2017 18:56:18 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-10.nifty.com v9C9uHcl005959 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1507802179; bh=PLF5WfpWcSSPsUSi0VlkN5E/fJ3P/P7WgT6yjNMe/wc=; h=From:To:Cc:Subject:Date:From; b=zltCAmXRVW1+feotuTYboOT7aaWnoHrlUbQxA8POB0t0mZQ8WPv5jI0oi/hoAr4DL ddqldhwstypmIm5VaXgDtzTs+mxMkAgGG3JQLHZzZ28huJNzuaZPeSemlW2qwHv6bL Aofgl2GRNQ6Bibw57IW33QbOaea1r6t6MLRVqNutYeCRcirbKqZ97JN9BnnmmKZde1 iwwLYuK7JBnx50inuGcOBOAPO3bhEO2b0bDnd9FCQfvvvYTqhxyUforKMwq5PIX83n tn725d24+lxJLA9z7vZ0pOuiCmN+Oykyr39FY1gApZnAG+vJ3RmEh4R4blaLHwztY4 SiBaFyvrBRjZw== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Joe Perches , Tom Rini , Geert Uytterhoeven , Masahiro Yamada , Matthias Kaehlcke , Cao jin , Arnd Bergmann , James Hogan , linux-kernel@vger.kernel.org, =?utf-8?q?Jan-Simon_M=C3=B6ller?= , Michal Marek , Douglas Anderson , Josh Poimboeuf , Ingo Molnar , Mark Charlebois Subject: [PATCH 0/2] kbuild: use relative path from $(srctree) instead of __FILE__ Date: Thu, 12 Oct 2017 18:56:02 +0900 Message-Id: <1507802164-31614-1-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Kbuild works in objtree, not in srctree. So, __FILE__ is prefixed with $(srctree)/ for out-of-tree build. For example, WARN_ON() will look as follows if you built your kernel out of source tree: WARNING: CPU: 1 PID: 1 at /path/to/build/directory/arch/arm64/kernel/foo.c:... With this series, it will always look like follows regardless of O= option. WARNING: CPU: 1 PID: 1 at arch/arm64/kernel/foo.c:... If GCC does not support -Wno-builtin-macro-redefined (i.e. gcc version < 4.4), the output is prefixed with absolute path. Masahiro Yamada (2): kbuild: add stringify helper to quote a string passed to C files kbuild: redefine __FILE__ as relative path from $(srctree) if possible Makefile | 9 +++++++++ scripts/Kbuild.include | 4 ++++ scripts/Makefile.lib | 2 +- 3 files changed, 14 insertions(+), 1 deletion(-) -- 2.7.4