Messages in this thread Patch in this message | | | From | John Garry <> | Subject | [PATCH v2 2/2] perf jevents: Enable warnings through HOSTCFLAGS | Date | Thu, 21 Oct 2021 17:16:45 +0800 |
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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@huawei.com> --- 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
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