tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+18
-2
+7
-1
tools/lib/api/Makefile
+7
-1
tools/lib/api/Makefile
···
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LIBFILE = $(OUTPUT)libapi.a
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CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
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-
CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
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CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
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+
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ifeq ($(CC), clang)
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CFLAGS += -O3
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else
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CFLAGS += -O6
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endif
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# Treat warnings as errors unless directed not to
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ifneq ($(WERROR),0)
+7
-1
tools/lib/subcmd/Makefile
+7
-1
tools/lib/subcmd/Makefile
···
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LIBFILE = $(OUTPUT)libsubcmd.a
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CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
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-
CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
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CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
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+
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ifeq ($(CC), clang)
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CFLAGS += -O3
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else
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CFLAGS += -O6
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endif
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# Treat warnings as errors unless directed not to
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ifneq ($(WERROR),0)