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Tue, 25 Jul 2023 15:03:56 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6D2A22004B; Tue, 25 Jul 2023 15:03:56 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 25 Jul 2023 15:03:56 +0000 (GMT) From: Thomas Richter To: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, acme@kernel.org, irogers@google.com, 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 1/2 Resend] perf build: Update feature check for clang and llvm Date: Tue, 25 Jul 2023 17:03:46 +0200 Message-Id: <20230725150347.3479291-1-tmricht@linux.ibm.com> X-Mailer: git-send-email 2.39.2 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: AqhTr4dx7muIig6b4ujwkOk9wPZyG1xi X-Proofpoint-GUID: -G55YXqjURpmZ5aIIwPZoaj5WAa4Hms2 X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 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=2023-07-25_08,2023-07-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 adultscore=0 spamscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 phishscore=0 mlxlogscore=999 clxscore=1015 impostorscore=0 priorityscore=1501 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307250133 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED 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 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772406792457713956 X-GMAIL-MSGID: 1772406792457713956 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 clang. And the checks fail. Fix this and update to the latest C++ standard and use the new library provided by clang (which contains new packaging) see this link for reference: https://fedoraproject.org/wiki/Changes/Stop-Shipping-Individual-Component-Libraries-In-clang-lib-Package Output before: # rm -f ./test-clang.bin; make test-clang.bin; ./test-clang.bin; \ ll test-clang.make.output g++ -MD -Wall -Werror -o test-clang.bin test-clang.cpp \ > test-clang.make.output 2>&1 -std=gnu++14 \ -I/usr/include \ -L/usr/lib64 \ -Wl,--start-group -lclangBasic -lclangDriver \ -lclangFrontend -lclangEdit -lclangLex \ -lclangAST -Wl,--end-group \ -lLLVM-16 \ \ > test-clang.make.output 2>&1 make: *** [Makefile:356: test-clang.bin] Error 1 -bash: ./test-clang.bin: No such file or directory -rw-r--r--. 1 root root 252041 Jul 12 09:56 test-clang.make.output # File test-clang.make.output contains many lines of unreferenced symbols. Output after: # rm -f ./test-clang.bin; make test-clang.bin; ./test-clang.bin; \ cat test-clang.make.output g++ -MD -Wall -Werror -o test-clang.bin test-clang.cpp \ > test-clang.make.output 2>&1 -std=gnu++17 \ -I/usr/include \ -L/usr/lib64 \ -Wl,--start-group -lclang-cpp -Wl,--end-group \ -lLLVM-16 \ \ > test-clang.make.output 2>&1 # Signed-off-by: Thomas Richter --- tools/build/feature/Makefile | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 2cd6dbbee088..3184f387990a 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) \ @@ -348,17 +348,15 @@ $(OUTPUT)test-llvm.bin: > $(@:.bin=.make.output) 2>&1 $(OUTPUT)test-llvm-version.bin: - $(BUILDXX) -std=gnu++14 \ + $(BUILDXX) -std=gnu++17 \ -I$(shell $(LLVM_CONFIG) --includedir) \ > $(@:.bin=.make.output) 2>&1 $(OUTPUT)test-clang.bin: - $(BUILDXX) -std=gnu++14 \ + $(BUILDXX) -std=gnu++17 \ -I$(shell $(LLVM_CONFIG) --includedir) \ -L$(shell $(LLVM_CONFIG) --libdir) \ - -Wl,--start-group -lclangBasic -lclangDriver \ - -lclangFrontend -lclangEdit -lclangLex \ - -lclangAST -Wl,--end-group \ + -Wl,--start-group -lclang-cpp -Wl,--end-group \ $(shell $(LLVM_CONFIG) --libs Core option) \ $(shell $(LLVM_CONFIG) --system-libs) \ > $(@:.bin=.make.output) 2>&1