From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EE92C2D0C0 for ; Sun, 8 Dec 2019 22:20:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2EE4020700 for ; Sun, 8 Dec 2019 22:20:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726823AbfLHWUe (ORCPT ); Sun, 8 Dec 2019 17:20:34 -0500 Received: from vmicros1.altlinux.org ([194.107.17.57]:50198 "EHLO vmicros1.altlinux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726626AbfLHWUe (ORCPT ); Sun, 8 Dec 2019 17:20:34 -0500 X-Greylist: delayed 394 seconds by postgrey-1.27 at vger.kernel.org; Sun, 08 Dec 2019 17:20:33 EST Received: from mua.local.altlinux.org (mua.local.altlinux.org [192.168.1.14]) by vmicros1.altlinux.org (Postfix) with ESMTP id AB98672CCD5; Mon, 9 Dec 2019 01:13:58 +0300 (MSK) Received: by mua.local.altlinux.org (Postfix, from userid 508) id 9D5637CC7AF; Mon, 9 Dec 2019 01:13:58 +0300 (MSK) Date: Mon, 9 Dec 2019 01:13:58 +0300 From: "Dmitry V. Levin" To: Vitaly Chikunov Cc: Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , linux-kernel@vger.kernel.org, Josh Poimboeuf , Vineet Gupta , stable@vger.kernel.org Subject: Re: [PATCH] tools lib: Disable redundant-delcs error for strlcpy Message-ID: <20191208221358.GA30636@altlinux.org> References: <20191208214607.20679-1-vt@altlinux.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="5mCyUwZo2JvN/JJP" Content-Disposition: inline In-Reply-To: <20191208214607.20679-1-vt@altlinux.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --5mCyUwZo2JvN/JJP Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Dec 09, 2019 at 12:46:07AM +0300, Vitaly Chikunov wrote: > Disable `redundant-decls' error for strlcpy declaration and solve build > error allowing users to compile vanilla kernels. >=20 > When glibc have strlcpy (such as in ALT linux since 2004) objtool and > perf build fails with something like: >=20 > In file included from exec-cmd.c:3: > tools/include/linux/string.h:20:15: error: redundant redeclaration of = =E2=80=98strlcpy=E2=80=99 [-Werror=3Dredundant-decls] > 20 | extern size_t strlcpy(char *dest, const char *src, size_t size); > | ^~~~~~~ >=20 > It's very hard to produce a perfect fix for that since it is a header > file indirectly pulled from many sources from different Makefile builds. >=20 > Fixes: ce99091 ("perf tools: Move strlcpy() from perf to tools/lib/string= =2Ec") > Fixes: 0215d59 ("tools lib: Reinstate strlcpy() header guard with __UCLIB= C__") > Signed-off-by: Vitaly Chikunov > Cc: Dmitry V. Levin > Cc: Josh Poimboeuf > Cc: Vineet Gupta > Cc: stable@vger.kernel.org Apparently, this patch also addresses https://bugzilla.kernel.org/show_bug.cgi?id=3D118481 --=20 ldv --5mCyUwZo2JvN/JJP Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIcBAEBCAAGBQJd7XWmAAoJEAVFT+BVnCUIerAQAIVZMVD3GuIlivJKBcsX1KiA vXeumJEuTjqraAnWkzuCgxLQ7ktvRqgfZQMmmXHvHLPNNOg8+oSYtGZpRT+R07Ak S0+NtjW2PANjJPtzKEZE7PbaZ069mqhI9OHMCscQmV5HzcxzcX4Am5kwpJMaiHj7 yoHdciwGPth3k9u1ZOWM1VdfvmhM/9alsncOk1VhaqtbXMdUhU8uauvWLCpb+sbR krwNp6A3TcbeFyOWr1r9Z9Gu86Lo/+EuCW+sVX5YCkq4VselB2IxNbk2upiSBf5+ 8Cc1sKdLg50kt2ouYo1G+HFNY0h0g9WJgtrYLypLtrUYxccwfHer8NVeuyZthVLV /RmVi3q+V1TthJ5cNZi3T1WOEYdTGjAFhrMro7qxTjZZ8wbf4hqNNK5PvCEG/sC2 SPWzcJVYWOpB48DJnftvCLTLYygcUhKZnDodFs6fNCDSNQXmYWXavvRO5j3gNo5H qoXfACj4qdxy8/JHxdSfnu8pVWQ+lrVHlu/hqEVK6Caa1AgYNoUeT4OZoyufkQla NCmcX1x+iwAj53HNkScCb/Eep7iT+fHbDvUjSIIRbcjLTAYiJZl4et61fbW5Xm1F VPM36vEJV6k0Ag1m80GroRu1Ib3wiyyFZbmmM877qAto+CSKUwuh4HeImw0qpeU2 BnEsv6OMa4YVr6D8r4G8 =+oYm -----END PGP SIGNATURE----- --5mCyUwZo2JvN/JJP--