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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-02-14 10:55:27 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-02-14 10:55:27 -0300 |
| commit | 49b3cd306e60b9d889c775cb2ebb709f80dd8ae9 (patch) | |
| tree | 28b1b251c83d45ca0b3c2df7690fb42b53114958 /tools/perf/Makefile.config | |
| parent | 093b75ef5995ea35d7f6bdb6c7b32a42a1999813 (diff) | |
| download | lwn-49b3cd306e60b9d889c775cb2ebb709f80dd8ae9.tar.gz lwn-49b3cd306e60b9d889c775cb2ebb709f80dd8ae9.zip | |
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@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>
Diffstat (limited to 'tools/perf/Makefile.config')
| -rw-r--r-- | tools/perf/Makefile.config | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 03cf947755b9..2b941efadb04 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 |