Merge "Define CLANG_TIDY_UNKNOWN_CFLAGS in tidy.mk"

# limitations under the License.

#

# clang-tidy doesn't recognize every flag that clang does. This is unlikely to

# be a complete list, but we can populate this with the ones we know to avoid

# issues with clang-diagnostic-unused-command-line-argument.

# b/111885396: -flto affected header include directory;

# -fsanitize and -fwhole-program-vtables need -flto.

CLANG_TIDY_UNKNOWN_CFLAGS := \

  -Wa,% \

  -flto \

  -flto=% \

  -fsanitize=% \

  -fsanitize-% \

  -fwhole-program-vtables \

# Returns 2nd word of $(1) if $(2) has prefix of the 1st word of $(1).

define find_default_local_tidy_check2

$(if $(filter $(word 1,$(1))%,$(2)/),$(word 2,$(1)))

# All tests that should be skipped in presubmit check.

ALL_DISABLED_PRESUBMIT_TESTS :=

# CLANG_TIDY_UNKNOWN_CFLAGS is generated by build/soong.

sanitize_tidy_cflags = $(filter-out $(CLANG_TIDY_UNKNOWN_CFLAGS),$1)

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