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authorArnaldo Carvalho de Melo <acme@redhat.com>2017-02-14 16:34:35 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-02-14 16:34:35 +0300
commit093b75ef5995ea35d7f6bdb6c7b32a42a1999813 (patch)
tree62549b5ed19006492a5ec6bf27fc328ea8cf7ce2
parent277d6f1dcae09aed63cd4c7900a280b0e18cf2ca (diff)
downloadlinux-093b75ef5995ea35d7f6bdb6c7b32a42a1999813.tar.xz
tools: Suppress request for warning options not existent in clang
To allow building with clang, avoiding: error: unknown warning option '-Wstrict-aliasing=3'; did you mean '-Wstring-plus-int'? [-Werror,-Wunknown-warning-option] 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-xvthlvmhzfnt7jx73jgmaea1@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/scripts/Makefile.include5
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
index 19edc1a7a232..621578aa12d6 100644
--- a/tools/scripts/Makefile.include
+++ b/tools/scripts/Makefile.include
@@ -32,7 +32,6 @@ EXTRA_WARNINGS += -Wold-style-definition
EXTRA_WARNINGS += -Wpacked
EXTRA_WARNINGS += -Wredundant-decls
EXTRA_WARNINGS += -Wshadow
-EXTRA_WARNINGS += -Wstrict-aliasing=3
EXTRA_WARNINGS += -Wstrict-prototypes
EXTRA_WARNINGS += -Wswitch-default
EXTRA_WARNINGS += -Wswitch-enum
@@ -40,6 +39,10 @@ EXTRA_WARNINGS += -Wundef
EXTRA_WARNINGS += -Wwrite-strings
EXTRA_WARNINGS += -Wformat
+ifneq ($(CC), clang)
+EXTRA_WARNINGS += -Wstrict-aliasing=3
+endif
+
ifneq ($(findstring $(MAKEFLAGS), w),w)
PRINT_DIR = --no-print-directory
else