From patchwork Fri Oct 28 17:35:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella Netto X-Patchwork-Id: 59595 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 0C11B3887F40 for ; Fri, 28 Oct 2022 17:36:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0C11B3887F40 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1666978615; bh=u9zFmN4NP42Q9ScmFG7OCm2V1F15QlKFkAECb3485TI=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=qIbqmNUO/Kwh/Pf6osb3oUQ1OYzTZ+qfyFC8Nj/IDfctqnerQYmCBerxBFtUqxn0a bC2246KjGOSfSwR/rf5ovI/0e9k25uege6maPQiJoiWngsUg7q351VHrQpxxUrlJjY 9FWGtzfnFn73dZINa5tGHUlMkJdf4gePeqqLPvMg= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-oi1-x229.google.com (mail-oi1-x229.google.com [IPv6:2607:f8b0:4864:20::229]) by sourceware.org (Postfix) with ESMTPS id 16F753858280 for ; Fri, 28 Oct 2022 17:35:45 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 16F753858280 Received: by mail-oi1-x229.google.com with SMTP id o64so6813558oib.12 for ; Fri, 28 Oct 2022 10:35:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=u9zFmN4NP42Q9ScmFG7OCm2V1F15QlKFkAECb3485TI=; b=M0p/hb66VyabPBiTyeW89QfXaMTMw2h2iJbyVAZHL0KkMQjU6eXDoutunjFQ7hkW9D j+u+1T8JMOjbiNGXeDC9EEVgRXXIhf6wUf5IOPeOHwU+joKct20wMJ05ksRgxKPEdxqB Z4S9aN6GZ4FDzfGGRC4O2dxTIw4RdHeP46qX/8Sy3b/M2v5+j3sHsVpBI3bIOuXW2Scs KURXrZAZVLaInxKKEGW51qrQLOGtgtP6vdR/d9G3jh3oKHz9udYXm98mVyFQ8hRD4RGc sXP8SpCEbhOCiz6Osrmsig45JWBmr1LIRziizzP2V8M1ShUZufR6CC+O5fqBL87aC0pz fIaQ== X-Gm-Message-State: ACrzQf3DKQp/n2hOyBJjns/K9fD304NHyeQJe4us299bMtn3OvZtozPm rpMU+8FAhhKywCMLJxC/G3Rn68ZlthhyG+Ep X-Google-Smtp-Source: AMsMyM4/992Bdp2/kYxnd8YBxE4upKf8KmTpAKjJ+7CuLjjMrEmniLewoVlhfgic0hYnseQhKFUVTA== X-Received: by 2002:a05:6808:911:b0:359:cb34:8dd4 with SMTP id w17-20020a056808091100b00359cb348dd4mr294922oih.223.1666978544155; Fri, 28 Oct 2022 10:35:44 -0700 (PDT) Received: from mandiga.. ([2804:1b3:a7c0:17c8:6484:1100:1451:7f3f]) by smtp.gmail.com with ESMTPSA id v10-20020a056870b50a00b0012779ba00fesm2434998oap.2.2022.10.28.10.35.43 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Oct 2022 10:35:43 -0700 (PDT) To: libc-alpha@sourceware.org Subject: [PATCH 03/11] Rewrite find_cxx_header config configure.ac Date: Fri, 28 Oct 2022 14:35:24 -0300 Message-Id: <20221028173532.876027-4-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221028173532.876027-1-adhemerval.zanella@linaro.org> References: <20221028173532.876027-1-adhemerval.zanella@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-12.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Adhemerval Zanella via Libc-alpha From: Adhemerval Zanella Netto Reply-To: Adhemerval Zanella Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" clang does not support -MP option to create phony target for each dependency other than the main file. Use -fsyntax-only with a more comprensible regex to get the the cxx header. --- configure | 4 ++-- configure.ac | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/configure b/configure index ff2c406b3b..26bd8200dd 100755 --- a/configure +++ b/configure @@ -5579,8 +5579,8 @@ fi # copy of those headers in Makerules. if test -n "$CXX"; then find_cxx_header () { - echo "#include <$1>" | $CXX -M -MP -x c++ - 2>/dev/null \ - | sed -n "\,$1:,{s/:\$//;p}" + echo "#include <$1>" | $CXX -H -fsyntax-only -x c++ - 2>&1 \ + | sed -rn "\,^\.? .,{s/^\.*\. //p}" } CXX_CSTDLIB_HEADER="$(find_cxx_header cstdlib)" CXX_CMATH_HEADER="$(find_cxx_header cmath)" diff --git a/configure.ac b/configure.ac index eb5bc6a131..a009e7a17f 100644 --- a/configure.ac +++ b/configure.ac @@ -1136,8 +1136,8 @@ AC_SUBST(CXX_SYSINCLUDES) # copy of those headers in Makerules. if test -n "$CXX"; then find_cxx_header () { - echo "#include <$1>" | $CXX -M -MP -x c++ - 2>/dev/null \ - | sed -n "\,$1:,{s/:\$//;p}" + echo "#include <$1>" | $CXX -H -fsyntax-only -x c++ - 2>&1 \ + | sed -rn "\,^\.? .,{s/[^\.]*\. //p}" } CXX_CSTDLIB_HEADER="$(find_cxx_header cstdlib)" CXX_CMATH_HEADER="$(find_cxx_header cmath)"