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=-17.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=ham 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 6936FC433E0 for ; Fri, 19 Jun 2020 04:34:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 393F6208DB for ; Fri, 19 Jun 2020 04:34:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="H3NKuX5P" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730299AbgFSEeo (ORCPT ); Fri, 19 Jun 2020 00:34:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729769AbgFSEeY (ORCPT ); Fri, 19 Jun 2020 00:34:24 -0400 Received: from mail-qt1-x84a.google.com (mail-qt1-x84a.google.com [IPv6:2607:f8b0:4864:20::84a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47FC2C0613EE for ; Thu, 18 Jun 2020 21:34:22 -0700 (PDT) Received: by mail-qt1-x84a.google.com with SMTP id c22so6188970qtp.9 for ; Thu, 18 Jun 2020 21:34:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=2YVWbzsYI6vvD/ROFxjwqvUAthg1lBm2QvGRFm3ObyE=; b=H3NKuX5PcWt7S1zNUic5ewDlOqPkSf7D4KFm2f0BgircXRZ+52UX/q2ry+eoho8/RD AS3P5QClpU7CQRwqUz4q+OjBSMPA48AR3RQjY+0km3dR9eXu8ri4IjNVx9Ubtq9hni9s F8E3EMBwsSZHMbb1pFbtOsMBAhifzUtPbrV+fNBFTQzJHXvcMmF+OOx/GWIFMgA3G2+O j8AHTCf6+CMtlTrQORPyww1AAYp/Ut/wIu7pSgkOuE3mOv/68EbDpi0TKTKNNY2k/s7u 8BxPhYApuVnMrWAfIpIxy4fYDgRtXekDWPRzm3/yHxOH/yEEJK1FlcmMTVKX95Yojj4v FuBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=2YVWbzsYI6vvD/ROFxjwqvUAthg1lBm2QvGRFm3ObyE=; b=Bq3YiVNoYUbed+iBFr+cDTPD7V1E7BeZDl0QFElCwg/6Y1PsliMIipDwbNVfHB5qlr UbBFNoVLmb18GcAls4EFkPAQHLke0SwQrvvYICzbdSGBRGXM1vOEiNHUiaTX2/4PxSoe IzoluHqqbYZy1a51gQA0kaLXNul6IIVYR5QydVdehdhmUJKH6z0DKwkk39R7OvUrL4Mp DXKiPcFW8K09x7rmsZLO7sTqNtf2tbmoFBx4mQuOzvkPTRR5VsiNp6C1IIDBQDevzR2R Na/nTfldbdiFn018OUfx+vFHNCiszxDp1xfWDOlCzvpPyHRrECPYec2WqtcyuManyCMQ G26g== X-Gm-Message-State: AOAM532OGbRVybLHH+hF9GqHEPjTXW0iBOAcRHICu7BNocuq1aP6hw7B UleWXCB2793XKNAqOUoDk9ep39ghe5mu X-Google-Smtp-Source: ABdhPJwhyPonTlK3TO9bFtUtcDOo+0cfQOzDKLcspBZkmv/dE8KnHWJ3hAA1DAQ5jfdgiZ6HTpWZqxf5foXY X-Received: by 2002:ad4:50c6:: with SMTP id e6mr7215295qvq.156.1592541261346; Thu, 18 Jun 2020 21:34:21 -0700 (PDT) Date: Thu, 18 Jun 2020 21:33:53 -0700 In-Reply-To: <20200619043356.90024-1-irogers@google.com> Message-Id: <20200619043356.90024-8-irogers@google.com> Mime-Version: 1.0 References: <20200619043356.90024-1-irogers@google.com> X-Mailer: git-send-email 2.27.0.111.gc72c7da667-goog Subject: [PATCH v2 07/10] perf parse-events: Disable a subset of flex warnings From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Andi Kleen , Jin Yao , John Garry , Adrian Hunter , linux-kernel@vger.kernel.org Cc: Stephane Eranian , Ian Rogers Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rather than disable all warnings with -w, disable specific warnings. Predicate enabling the warnings on more recent flex versions. Tested with GCC 9.3.0 and clang 9.0.1. Signed-off-by: Ian Rogers --- tools/perf/util/Build | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/Build b/tools/perf/util/Build index 504a6bb991ba..53383bd6f4e2 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -221,9 +221,15 @@ $(OUTPUT)util/pmu-bison.c $(OUTPUT)util/pmu-bison.h: util/pmu.y $(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) \ -o $(OUTPUT)util/pmu-bison.c -p perf_pmu_ -CFLAGS_parse-events-flex.o += -w -CFLAGS_pmu-flex.o += -w -CFLAGS_expr-flex.o += -w +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-switch-enum -Wno-switch-default -Wno-unused-function -Wno-redundant-decls +else + flex_flags := -w +endif +CFLAGS_parse-events-flex.o += $(flex_flags) +CFLAGS_pmu-flex.o += $(flex_flags) +CFLAGS_expr-flex.o += $(flex_flags) CFLAGS_parse-events-bison.o += -DYYENABLE_NLS=0 -w CFLAGS_pmu-bison.o += -DYYENABLE_NLS=0 -DYYLTYPE_IS_TRIVIAL=0 -w CFLAGS_expr-bison.o += -DYYENABLE_NLS=0 -DYYLTYPE_IS_TRIVIAL=0 -w -- 2.27.0.111.gc72c7da667-goog