Merge "Prevent changes to COMMON_GLOBAL_C(PP)FLAGS"

# Set common values

# ###############################################################

# These can be changed to modify both host and device modules.

COMMON_GLOBAL_CFLAGS:= -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith

COMMON_RELEASE_CFLAGS:= -DNDEBUG -UDEBUG

# Force gcc to always output color diagnostics.  Ninja will strip the ANSI

# color codes if it is not running in a terminal.

COMMON_GLOBAL_CFLAGS += -fdiagnostics-color

COMMON_GLOBAL_CPPFLAGS:= -Wsign-promo

COMMON_RELEASE_CPPFLAGS:=

GLOBAL_CFLAGS_NO_OVERRIDE := \

    -Werror=int-to-pointer-cast \

    -Werror=pointer-to-int-cast \

GLOBAL_CLANG_CFLAGS_NO_OVERRIDE := \

    -Werror=address-of-temporary \

    -Werror=null-dereference \

    -Werror=return-type \

GLOBAL_CPPFLAGS_NO_OVERRIDE :=

# Set the extensions used for various packages

COMMON_PACKAGE_SUFFIX := .zip

COMMON_JAVA_PACKAGE_SUFFIX := .jar

COMMON_ANDROID_PACKAGE_SUFFIX := .apk

# list of flags to turn specific warnings in to errors

TARGET_ERROR_FLAGS := -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point

ifdef TMPDIR

JAVA_TMPDIR_ARG := -Djava.io.tmpdir=$(TMPDIR)

else

# See envsetup.mk for a description of SCAN_EXCLUDE_DIRS

FIND_LEAVES_EXCLUDES := $(addprefix --prune=, $(OUT_DIR) $(SCAN_EXCLUDE_DIRS) .repo .git)

# ---------------------------------------------------------------

# We run gcc/clang with PWD=/proc/self/cwd to remove the $TOP

# from the debug output. That way two builds in two different

# directories will create the same output.

# /proc doesn't exist on Darwin.

ifeq ($(HOST_OS),linux)

RELATIVE_PWD := PWD=/proc/self/cwd

# Remove this useless prefix from the debug output.

COMMON_GLOBAL_CFLAGS += -fdebug-prefix-map=/proc/self/cwd=

else

RELATIVE_PWD :=

endif

# ---------------------------------------------------------------

# Allow the C/C++ macros __DATE__ and __TIME__ to be set to the

# build date and time, so that a build may be repeated.

# Write the date and time to a file so that the command line

# doesn't change every time, which would cause ninja to rebuild

# the files.

$(shell mkdir -p $(OUT_DIR) && \

    $(DATE) "+%b %_d %Y" > $(OUT_DIR)/build_c_date.txt && \

    $(DATE) +%T > $(OUT_DIR)/build_c_time.txt)

BUILD_DATETIME_C_DATE := $$(cat $(OUT_DIR)/build_c_date.txt)

BUILD_DATETIME_C_TIME := $$(cat $(OUT_DIR)/build_c_time.txt)

ifeq ($(OVERRIDE_C_DATE_TIME),true)

COMMON_GLOBAL_CFLAGS += -Wno-builtin-macro-redefined -D__DATE__="\"$(BUILD_DATETIME_C_DATE)\"" -D__TIME__=\"$(BUILD_DATETIME_C_TIME)\"

endif

# The build system exposes several variables for where to find the kernel

# headers:

#   TARGET_DEVICE_KERNEL_HEADERS is automatically created for the current

# Set up final options.

# ###############################################################

ifneq ($(COMMON_GLOBAL_CFLAGS)$(COMMON_GLOBAL_CPPFLAGS),)

$(warning COMMON_GLOBAL_C(PP)FLAGS changed)

$(info *** Device configurations are no longer allowed to change the global flags.)

$(info *** COMMON_GLOBAL_CFLAGS: $(COMMON_GLOBAL_CFLAGS))

$(info *** COMMON_GLOBAL_CPPFLAGS: $(COMMON_GLOBAL_CPPFLAGS))

$(error bailing...)

endif

# These can be changed to modify both host and device modules.

COMMON_GLOBAL_CFLAGS:= -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith

COMMON_RELEASE_CFLAGS:= -DNDEBUG -UDEBUG

# Force gcc to always output color diagnostics.  Ninja will strip the ANSI

# color codes if it is not running in a terminal.

COMMON_GLOBAL_CFLAGS += -fdiagnostics-color

COMMON_GLOBAL_CPPFLAGS:= -Wsign-promo

COMMON_RELEASE_CPPFLAGS:=

GLOBAL_CFLAGS_NO_OVERRIDE := \

    -Werror=int-to-pointer-cast \

    -Werror=pointer-to-int-cast \

GLOBAL_CLANG_CFLAGS_NO_OVERRIDE := \

    -Werror=address-of-temporary \

    -Werror=null-dereference \

    -Werror=return-type \

GLOBAL_CPPFLAGS_NO_OVERRIDE :=

# list of flags to turn specific warnings in to errors

TARGET_ERROR_FLAGS := -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point

# We run gcc/clang with PWD=/proc/self/cwd to remove the $TOP

# from the debug output. That way two builds in two different

# directories will create the same output.

# /proc doesn't exist on Darwin.

ifeq ($(HOST_OS),linux)

RELATIVE_PWD := PWD=/proc/self/cwd

# Remove this useless prefix from the debug output.

COMMON_GLOBAL_CFLAGS += -fdebug-prefix-map=/proc/self/cwd=

else

RELATIVE_PWD :=

endif

# Allow the C/C++ macros __DATE__ and __TIME__ to be set to the

# build date and time, so that a build may be repeated.

# Write the date and time to a file so that the command line

# doesn't change every time, which would cause ninja to rebuild

# the files.

$(shell mkdir -p $(OUT_DIR) && \

    $(DATE) "+%b %_d %Y" > $(OUT_DIR)/build_c_date.txt && \

    $(DATE) +%T > $(OUT_DIR)/build_c_time.txt)

BUILD_DATETIME_C_DATE := $$(cat $(OUT_DIR)/build_c_date.txt)

BUILD_DATETIME_C_TIME := $$(cat $(OUT_DIR)/build_c_time.txt)

ifeq ($(OVERRIDE_C_DATE_TIME),true)

COMMON_GLOBAL_CFLAGS += -Wno-builtin-macro-redefined -D__DATE__="\"$(BUILD_DATETIME_C_DATE)\"" -D__TIME__=\"$(BUILD_DATETIME_C_TIME)\"

endif

HOST_GLOBAL_CFLAGS += $(COMMON_GLOBAL_CFLAGS)

HOST_RELEASE_CFLAGS += $(COMMON_RELEASE_CFLAGS)