platform_build/core/clang/tidy.mk
Chih-Hung Hsieh 4275dcf866 Define CLANG_TIDY_UNKNOWN_CFLAGS in tidy.mk
* Moved from build/soong because the list is used only in make rules.

Bug: 111885396
Test: build with WITH_TIDY=1
Change-Id: I6ca7420e7ed1e342a5b92996724c6659a406d5ae
2018-08-22 09:21:53 -07:00

55 lines
1.9 KiB
Makefile

#
# Copyright (C) 2016 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# 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)))
endef
# Returns 2nd part of $(1) if $(2) has prefix of the 1st part of $(1).
define find_default_local_tidy_check
$(call find_default_local_tidy_check2,$(subst :,$(space),$(1)),$(2))
endef
# Returns the default tidy check list for local project path $(1).
# Match $(1) with all patterns in DEFAULT_LOCAL_TIDY_CHECKS and use the last
# most specific pattern.
define default_global_tidy_checks
$(lastword \
$(DEFAULT_GLOBAL_TIDY_CHECKS) \
$(foreach pattern,$(DEFAULT_LOCAL_TIDY_CHECKS), \
$(call find_default_local_tidy_check,$(pattern),$(1)) \
) \
)
endef
# Default filter contains current directory $1 and DEFAULT_TIDY_HEADER_DIRS.
define default_tidy_header_filter
-header-filter="($(subst $(space),,$1|$(DEFAULT_TIDY_HEADER_DIRS)))"
endef