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tools: Set the maximum optimization level according to the compiler being used

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To avoid this when using clang:

  warning: optimization level '-O6' is not supported; using '-O3' instead

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-kaghp8ddvzdsg03putemcq96@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2017-02-14 10:55:27 -03:00
parent 093b75ef59
commit 49b3cd306e
3 changed files with 18 additions and 2 deletions
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8
tools/lib/api/Makefile
View File

@ -17,7 +17,13 @@ MAKEFLAGS += --no-print-directory
LIBFILE = $(OUTPUT)libapi.a
CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
ifeq ($(CC), clang)
CFLAGS += -O3
else
CFLAGS += -O6
endif
# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)

8
tools/lib/subcmd/Makefile
View File

@ -19,7 +19,13 @@ MAKEFLAGS += --no-print-directory
LIBFILE = $(OUTPUT)libsubcmd.a
CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
ifeq ($(CC), clang)
CFLAGS += -O3
else
CFLAGS += -O6
endif
# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)

4
tools/perf/Makefile.config
View File

@ -144,8 +144,12 @@ ifndef DEBUG
endif
ifeq ($(DEBUG),0)
ifeq ($(CC), clang)
CFLAGS += -O3
else
CFLAGS += -O6
endif
endif
ifdef PARSER_DEBUG
PARSER_DEBUG_BISON := -t