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Message-ID: <1634316507-227751-3-git-send-email-john.garry@huawei.com> Date: Sat, 16 Oct 2021 00:48:27 +0800 From: John Garry <john.garry@...wei.com> To: <peterz@...radead.org>, <acme@...nel.org>, <mark.rutland@....com>, <alexander.shishkin@...ux.intel.com>, <jolsa@...hat.com>, <namhyung@...nel.org>, <mingo@...hat.com> CC: <irogers@...gle.com>, <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <kjain@...ux.ibm.com>, John Garry <john.garry@...wei.com> Subject: [PATCH 2/2] perf jevents: Enable warnings through HOSTCFLAGS 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 <john.garry@...wei.com> --- tools/perf/Makefile.config | 1 + tools/perf/Makefile.perf | 2 +- tools/perf/pmu-events/Build | 2 +- 3 files changed, 3 insertions(+), 2 deletions(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 0ae2e3d8b832..65934984f032 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 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) ] && \ -- 2.26.2
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