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Forbid -Weverything 

Use of -Weverything blocks build system changes and toolchain updates
on new warnings.  Forbid it in the build system.  Developers can
experiment with -Weverything on their module by adding it to their
Android.mk file and building with
m ANDROID_TEMPORARILY_ALLOW_WEVERYTHING=true

Fixes: 143713277
Test: manual
Change-Id: Ifca9ad45301b0d51f18b5ae85cfb9e5b89fbef3f
This commit is contained in:
Colin Cross 2019-11-12 15:53:04 -08:00
parent 88d1b62b89
commit 0d1f54e2e1
1 changed files with 8 additions and 1 deletions
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9
core/binary.mk
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@ -1441,10 +1441,10 @@ endif
# Check if -Werror or -Wno-error is used in C compiler flags.
# Header libraries do not need cflags.
my_all_cflags := $(my_cflags) $(my_cppflags) $(my_cflags_no_override)
ifneq (HEADER_LIBRARIES,$(LOCAL_MODULE_CLASS))
# Prebuilt modules do not need cflags.
ifeq (,$(LOCAL_PREBUILT_MODULE_FILE))
my_all_cflags := $(my_cflags) $(my_cppflags) $(my_cflags_no_override)
# Issue warning if -Wno-error is used.
ifneq (,$(filter -Wno-error,$(my_all_cflags)))
$(eval MODULES_USING_WNO_ERROR := $(MODULES_USING_WNO_ERROR) $(LOCAL_MODULE_MAKEFILE):$(LOCAL_MODULE))
@ -1463,6 +1463,13 @@ ifneq (HEADER_LIBRARIES,$(LOCAL_MODULE_CLASS))
endif
endif
ifneq (,$(filter -Weverything,$(my_all_cflags)))
ifeq (,$(ANDROID_TEMPORARILY_ALLOW_WEVERYTHING))
$(call pretty-error, -Weverything is not allowed in Android.mk files.\
Build with `m ANDROID_TEMPORARILY_ALLOW_WEVERYTHING=true` to experiment locally with -Weverything.)
endif
endif
# Disable clang-tidy if it is not found.
ifeq ($(PATH_TO_CLANG_TIDY),)
my_tidy_enabled := false