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[2620:137:e000::1:20]) by mx.google.com with ESMTP id w17-20020a170906131100b00991fe707692si4007968ejb.63.2023.07.12.02.00.24; Wed, 12 Jul 2023 02:00:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=ImxhnBPB; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232441AbjGLIf1 (ORCPT + 99 others); Wed, 12 Jul 2023 04:35:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231625AbjGLIfL (ORCPT ); Wed, 12 Jul 2023 04:35:11 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E14530E5; Wed, 12 Jul 2023 01:31:54 -0700 (PDT) Received: from pps.filterd (m0353724.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36C8L5EY028658; Wed, 12 Jul 2023 08:31:35 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pp1; bh=uRT61NFpDTRsJjOg1gEjy4NqWCRo3v9MyRHkp85FAXk=; b=ImxhnBPBLc+J3iaHZnppBDKMf9w/jrSDVzRKCxdM4RHzcc/p9tw8QXjCjSGpJR148lLS YvIkQSiMF9AcjZfkz3zdT7NuLiwMKYjydKOFSfjAMCfjDafFCJXfRmGAJ29ep1wAX1Zj 6P1t8uPJlZa7OFa7ZkA1vUFd3/cpWoL4gOyEwwTMFUdHpERYmTG+e6st0/dorpTALxF0 cV5Z3+gK8TMOXEEBk2N1ZeNYINi3hDkcMp9C6MINB2jRzEw3+z3xLK9S13VdQgkIAiQg qiAO2zhRKe5IoYOmuoRPNNxV724P0ePkRKZpSoqQoF41qhQMhMWU5Jlgbodj60IqjFou 8Q== Received: from ppma04ams.nl.ibm.com (63.31.33a9.ip4.static.sl-reverse.com [169.51.49.99]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3rsrkag7q6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Jul 2023 08:31:35 +0000 Received: from pps.filterd (ppma04ams.nl.ibm.com [127.0.0.1]) by ppma04ams.nl.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 36C4JFnj001199; Wed, 12 Jul 2023 08:30:50 GMT Received: from smtprelay02.fra02v.mail.ibm.com ([9.218.2.226]) by ppma04ams.nl.ibm.com (PPS) with ESMTPS id 3rpye5ahy9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Jul 2023 08:30:49 +0000 Received: from smtpav01.fra02v.mail.ibm.com (smtpav01.fra02v.mail.ibm.com [10.20.54.100]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 36C8Uk0m26608176 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 12 Jul 2023 08:30:46 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7D65D2004B; Wed, 12 Jul 2023 08:30:45 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1C9EF20043; Wed, 12 Jul 2023 08:30:45 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 12 Jul 2023 08:30:45 +0000 (GMT) From: Thomas Richter To: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, acme@kernel.org, wangnan0@huawei.com, jolsa@kernel.org Cc: svens@linux.ibm.com, gor@linux.ibm.com, sumanthk@linux.ibm.com, hca@linux.ibm.com, Thomas Richter Subject: [PATCH] perf build: Fix broken feature check for llvm due to C++ standard Date: Wed, 12 Jul 2023 10:30:36 +0200 Message-Id: <20230712083037.4081444-1-tmricht@linux.ibm.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: dmSb8W6CpCX_SVXsxCHLsGWgeCxe6Wc6 X-Proofpoint-ORIG-GUID: dmSb8W6CpCX_SVXsxCHLsGWgeCxe6Wc6 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-12_04,2023-07-11_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 mlxlogscore=999 bulkscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 adultscore=0 phishscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307120070 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Perf build auto-detects features and packages already installed for its build. This is done in directory tools/build/feature. This directory contains small sample programs. When they successfully compile the necessary prereqs in form of libraries and header files are present. Such a check is also done for llvm. And this check fails. Fix this and update to the latest C++ standard. Output before: # rm -f ./test-llvm.bin; make test-llvm.bin; ./test-llvm.bin g++ -MD -Wall -Werror -o test-llvm.bin test-llvm.cpp \ > test-llvm.make.output 2>&1 -std=gnu++14 \ -I/usr/include \ -L/usr/lib64 \ -lLLVM-16 \ \ > test-llvm.make.output 2>&1 make: *** [Makefile:343: test-llvm.bin] Error 1 -bash: ./test-llvm.bin: No such file or directory # Output after: # rm -f ./test-llvm.bin; make test-llvm.bin; ./test-llvm.bin g++ -MD -Wall -Werror -o test-llvm.bin test-llvm.cpp \ > test-llvm.make.output 2>&1 -std=gnu++17 \ -I/usr/include \ -L/usr/lib64 \ -lLLVM-16 \ \ > test-llvm.make.output 2>&1 Hello World! # Signed-off-by: Thomas Richter --- tools/build/feature/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 0f0aa9b7d7b5..f8db69654791 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -340,7 +340,7 @@ $(OUTPUT)test-jvmti-cmlr.bin: $(BUILD) $(OUTPUT)test-llvm.bin: - $(BUILDXX) -std=gnu++14 \ + $(BUILDXX) -std=gnu++17 \ -I$(shell $(LLVM_CONFIG) --includedir) \ -L$(shell $(LLVM_CONFIG) --libdir) \ $(shell $(LLVM_CONFIG) --libs Core BPF) \ -- 2.41.0