From patchwork Fri Jul 28 06:49:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Rogers X-Patchwork-Id: 13331275 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 69046C2D6 for ; Fri, 28 Jul 2023 06:49:58 +0000 (UTC) Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F12B3AA2 for ; Thu, 27 Jul 2023 23:49:52 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-cf4cb742715so1647479276.2 for ; Thu, 27 Jul 2023 23:49:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1690526991; x=1691131791; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=yvpEokk/Mu+ZE+CJyBkDreLaqziwX68WuK1LqhXECqc=; b=hVmuTBJ1Yox9HBREo2lnQL3+qmpioV9r5UsFkBpcTMWs9ujPbivpL62+ixWzmxYbld 2oj5+aaUkdI7MiXvfOBbiXL6vzkchIAT7sgf/1xEqv1qyiVTkUXz46qqAzkz8YE7IjAc a7dAw3ZtkKE0Hdi0zukSamMUV+hxfnGCH1q0cA12gs0ILJz3moGg3LylCmSfm5vhIZ0H 1nxyLuWhnWNjY6730d+R+507i6pKyHJOqb1BFoQMRvynVEhaUkfZy+JvYJdFIeA3lhV3 fjl0oWJqm5kdcfw2zmcGWXuqcb300wHWC8naQmdWY1IonPToG6OaTflMjrpM9bqM63Bd F1/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690526991; x=1691131791; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=yvpEokk/Mu+ZE+CJyBkDreLaqziwX68WuK1LqhXECqc=; b=l9L3StjzMX4iq5+8Na7C2MkeoftfxcpyAoWgL51JU8e27MUyfVoCXB9tFVM3QhiY4k 9bXex4v8fhin6stcB1zJwhraeBaUQf0pfJz+KWabyhb1Yhrh6tyaMcA4amVRuRp3x2er gR4IUs4Hf6ap1ZzJB69h9eM7zsTx6zfsn+KvU+i1er3p4wq0Hhlag+PlewyS6UKa8URq 5r04XQVqcPd4aNUPisEApPYDnIoLf25lbLBOoIvQRQRSoxuf9chJPTs9SQtTbS06xBcG ZiYXl88XldKLMX2wehapFvNC8XKkVSTVpwIlpu5TZwG5hKeNF1CRDOH0bmavyBmQWmyG xIaA== X-Gm-Message-State: ABy/qLYCE88WiilCk3HsjV0FaIkSKJd6CpvmPzVhMsb6PG9i1wW3pZ+d c5Z58nrk5lIaPsZVzxEW4ItqZLlwV3JB X-Google-Smtp-Source: APBJJlE4sPZ8c2Rq2bZAztF25wIkgTHXbSIfDU4obqALIt5bZH9JO3jXTK5qgYFJMBGfyHqayH2sgvVAeYMT X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:3d03:ff18:af30:2dad]) (user=irogers job=sendgmr) by 2002:a25:2311:0:b0:d0c:e71d:fab with SMTP id j17-20020a252311000000b00d0ce71d0fabmr5532ybj.0.1690526991697; Thu, 27 Jul 2023 23:49:51 -0700 (PDT) Date: Thu, 27 Jul 2023 23:49:15 -0700 In-Reply-To: <20230728064917.767761-1-irogers@google.com> Message-Id: <20230728064917.767761-5-irogers@google.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20230728064917.767761-1-irogers@google.com> X-Mailer: git-send-email 2.41.0.487.g6d72f3e995-goog Subject: [PATCH v1 4/6] perf build: Disable fewer flex warnings From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Nathan Chancellor , Nick Desaulniers , Tom Rix , Kan Liang , Eduard Zingerman , Andrii Nakryiko , Gaosheng Cui , Rob Herring , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, llvm@lists.linux.dev X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net If flex is version 2.6.4, reduce the number of flex C warnings disabled. Earlier flex versions have all C warnings disabled. Signed-off-by: Ian Rogers --- tools/perf/util/Build | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/tools/perf/util/Build b/tools/perf/util/Build index 96f4ea1d45c5..32239c4b0393 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -279,13 +279,9 @@ $(OUTPUT)util/bpf-filter-bison.c $(OUTPUT)util/bpf-filter-bison.h: util/bpf-filt $(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \ -o $(OUTPUT)util/bpf-filter-bison.c -p perf_bpf_filter_ -FLEX_GE_26 := $(shell expr $(shell $(FLEX) --version | sed -e 's/flex \([0-9]\+\).\([0-9]\+\)/\1\2/g') \>\= 26) -ifeq ($(FLEX_GE_26),1) - flex_flags := -Wno-switch-enum -Wno-switch-default -Wno-unused-function -Wno-redundant-decls -Wno-sign-compare -Wno-unused-parameter -Wno-missing-prototypes -Wno-missing-declarations - CC_HASNT_MISLEADING_INDENTATION := $(shell echo "int main(void) { return 0 }" | $(CC) -Werror -Wno-misleading-indentation -o /dev/null -xc - 2>&1 | grep -q -- -Wno-misleading-indentation ; echo $$?) - ifeq ($(CC_HASNT_MISLEADING_INDENTATION), 1) - flex_flags += -Wno-misleading-indentation - endif +FLEX_GE_264 := $(shell expr $(shell $(FLEX) --version | sed -e 's/flex \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 264) +ifeq ($(FLEX_GE_264),1) + flex_flags := -Wno-redundant-decls -Wno-switch-default -Wno-unused-function else flex_flags := -w endif