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 C1E0EC433E0 for ; Fri, 19 Jun 2020 04:34:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9259720CC7 for ; Fri, 19 Jun 2020 04:34:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="MHihjPeC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730122AbgFSEei (ORCPT ); Fri, 19 Jun 2020 00:34:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729926AbgFSEe2 (ORCPT ); Fri, 19 Jun 2020 00:34:28 -0400 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 6C515C06174E for ; Thu, 18 Jun 2020 21:34:27 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id e192so8684081ybf.17 for ; Thu, 18 Jun 2020 21:34:27 -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=4pz6j2VMR470Gj2vfpwgwF4Ge32U12Q9ReGlHMPbcFw=; b=MHihjPeCpQTRl/vgwU2BFl1mQW9VlRPJqLY6d1wSnp0FnnwHG1UXK2A0VDxSE4FOlB Wo4WhspBqpgQESsRe4VLhg6CMtBZvctEdO50xMQx29Ts03zCdQBvDldsysyEP737PHiV HScrjYsfUz7EQqLwjubGSvbOp1tUzkqO48t38dMcaLUCnC0GP0L/OnDI8U/hljvNhucC qi2JikfCW+Jyr6uryXGJScMv0hSzjH9R3iKYl+nQsMuYvswNkAQ16OQdkLc+bYLqpYak CvRy+8KltLS42O/2F13DovNB9hWYvFvE7EWjleknLXlXr99/Ce5eEHTNa1pmhbcJGY9w sB9w== 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=4pz6j2VMR470Gj2vfpwgwF4Ge32U12Q9ReGlHMPbcFw=; b=MKzCwmWA/eleOSImm3a9DrwPrKvcJQQkt/qhVSfenKZ1Vf/Tj7BPV898WmN2uWUIEF sL8K5qJRe32eR+NYLBgJR0duWqF4HQSos55n0wvaaUdSCTUsf1lyvNKuW6VJ22ACOk0t cVmgVl9GdvI7xfFWxyhEarCq7F7iOn5h97sQjMeMtpvUsx8ChO8R6q4vn+bi+8sMuUjg R2Eq/LZWt0Y0eQfbnAplrbFq5IkmT7Ox3BFe6pkBrBei5kJwCgQ36HXZs2vYE++zEnyg FVJfhbqR9+72unzvh5tRVHs91yzGCQWxWz/gPf+BrzWag7UZBMKsGIoH0fKSw1Ir9tNp L1xA== X-Gm-Message-State: AOAM5313ajm8iHI7mRoaHiIPY5lsNAnWlIrJkphwxr8Aa1hzW2iH8fa3 D2ZpntWIwMmWDUDzX8Y0zN+UfDd/zrDN X-Google-Smtp-Source: ABdhPJzXw5t3HnTRsyjNEvvn80kALIMkdYENFQA6HunonNMZZ8xaO0gDehpSoNFY7orzKYCR6v0t/l+msgyX X-Received: by 2002:a25:32d1:: with SMTP id y200mr3238063yby.507.1592541266635; Thu, 18 Jun 2020 21:34:26 -0700 (PDT) Date: Thu, 18 Jun 2020 21:33:56 -0700 In-Reply-To: <20200619043356.90024-1-irogers@google.com> Message-Id: <20200619043356.90024-11-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 10/10] perf parse-events: Disable a subset of bison 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 a recent version of bison. Tested with GCC 9.3.0 and clang 9.0.1. Signed-off-by: Ian Rogers --- tools/perf/util/Build | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/Build b/tools/perf/util/Build index 935ba132614c..c1692076469c 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -234,9 +234,17 @@ 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 + +bison_flags := -DYYENABLE_NLS=0 +BISON_GE_353 := $(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 353) +ifeq ($(BISON_GE_353),1) + bison_flags += -Wno-unused-parameter -Wno-nested-externs -Wno-error=implicit-function-declaration +else + bison_flags += -w +endif +CFLAGS_parse-events-bison.o += $(bison_flags) +CFLAGS_pmu-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags) +CFLAGS_expr-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags) $(OUTPUT)util/parse-events.o: $(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-bison.c $(OUTPUT)util/pmu.o: $(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-bison.c -- 2.27.0.111.gc72c7da667-goog