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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D825C433FE for ; Thu, 21 Oct 2021 09:22:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4489F60E54 for ; Thu, 21 Oct 2021 09:22:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231394AbhJUJYW (ORCPT ); Thu, 21 Oct 2021 05:24:22 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]:4014 "EHLO frasgout.his.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231549AbhJUJYV (ORCPT ); Thu, 21 Oct 2021 05:24:21 -0400 Received: from fraeml714-chm.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4HZhjH4bcCz67NN6; Thu, 21 Oct 2021 17:18:11 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml714-chm.china.huawei.com (10.206.15.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.15; Thu, 21 Oct 2021 11:22:04 +0200 Received: from localhost.localdomain (10.69.192.58) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.15; Thu, 21 Oct 2021 10:22:00 +0100 From: John Garry To: , , , , , , CC: , , , , , John Garry Subject: [PATCH v2 2/2] perf jevents: Enable warnings through HOSTCFLAGS Date: Thu, 21 Oct 2021 17:16:45 +0800 Message-ID: <1634807805-40093-3-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1634807805-40093-1-git-send-email-john.garry@huawei.com> References: <1634807805-40093-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.69.192.58] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org Currently no compiler warnings at all are enabled for building jevents, so help catch bugs at compile time by enabling through HOSTCFLAGS. Signed-off-by: John Garry --- tools/perf/Makefile.config | 5 +++++ tools/perf/Makefile.perf | 2 +- tools/perf/pmu-events/Build | 2 +- 3 files changed, 7 insertions(+), 2 deletions(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 0ae2e3d8b832..374f65b52157 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -17,6 +17,7 @@ detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected) detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected) CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) +HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) include $(srctree)/tools/scripts/Makefile.arch @@ -211,6 +212,7 @@ endif ifneq ($(WERROR),0) CORE_CFLAGS += -Werror CXXFLAGS += -Werror + HOSTCFLAGS += -Werror endif ifndef DEBUG @@ -292,6 +294,9 @@ CXXFLAGS += -ggdb3 CXXFLAGS += -funwind-tables CXXFLAGS += -Wno-strict-aliasing +HOSTCFLAGS += -Wall +HOSTCFLAGS += -Wextra + # Enforce a non-executable stack, as we may regress (again) in the future by # adding assembler files missing the .GNU-stack linker note. LDFLAGS += -Wl,-z,noexecstack diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 7df13e74450c..118bcdc70bb4 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -226,7 +226,7 @@ else endif export srctree OUTPUT RM CC CXX LD AR CFLAGS CXXFLAGS V BISON FLEX AWK -export HOSTCC HOSTLD HOSTAR +export HOSTCC HOSTLD HOSTAR HOSTCFLAGS include $(srctree)/tools/build/Makefile.include diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build index a055dee6a46a..d5c287f069a2 100644 --- a/tools/perf/pmu-events/Build +++ b/tools/perf/pmu-events/Build @@ -1,7 +1,7 @@ hostprogs := jevents jevents-y += json.o jsmn.o jevents.o -HOSTCFLAGS_jevents.o = -I$(srctree)/tools/include +HOSTCFLAGS_jevents.o = -I$(srctree)/tools/include $(HOSTCFLAGS) pmu-events-y += pmu-events.o JDIR = pmu-events/arch/$(SRCARCH) JSON = $(shell [ -d $(JDIR) ] && \ -- 2.17.1