Commit-ID: 49b3cd306e60b9d889c775cb2ebb709f80dd8ae9 Gitweb: http://git.kernel.org/tip/49b3cd306e60b9d889c775cb2ebb709f80dd8ae9 Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> AuthorDate: Tue, 14 Feb 2017 10:55:27 -0300 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitDate: Tue, 14 Feb 2017 10:55:27 -0300 tools: Set the maximum optimization level according to the compiler being used To avoid this when using clang: warning: optimization level '-O6' is not supported; using '-O3' instead Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx> Cc: David Ahern <dsahern@xxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Wang Nan <wangnan0@xxxxxxxxxx> Link: http://lkml.kernel.org/n/tip-kaghp8ddvzdsg03putemcq96@xxxxxxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- tools/lib/api/Makefile | 8 +++++++- tools/lib/subcmd/Makefile | 8 +++++++- tools/perf/Makefile.config | 4 ++++ 3 files changed, 18 insertions(+), 2 deletions(-) diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile index adba83b..eb6e0b3 100644 --- a/tools/lib/api/Makefile +++ b/tools/lib/api/Makefile @@ -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) diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile index 3f8cc44..3d1c3b5 100644 --- a/tools/lib/subcmd/Makefile +++ b/tools/lib/subcmd/Makefile @@ -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 ($(WERROR),0) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 03cf947..2b941ef 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -144,8 +144,12 @@ ifndef DEBUG endif ifeq ($(DEBUG),0) +ifeq ($(CC), clang) + CFLAGS += -O3 +else CFLAGS += -O6 endif +endif ifdef PARSER_DEBUG PARSER_DEBUG_BISON := -t -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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