Merge "Use repeatable timestamps" (e6510750) · Commits · e / os / android_build

core/Makefile

+6 −5

Original line number	Diff line number	Diff line
		@@ -114,7 +114,7 @@ ifeq (,$(strip $(BUILD_FINGERPRINT)))
		ifneq ($(filter eng.%,$(BUILD_NUMBER)),)
		# Trim down BUILD_FINGERPRINT: the default BUILD_NUMBER makes it easily exceed
		# the Android system property length limit (PROPERTY_VALUE_MAX=92).
		BF_BUILD_NUMBER := $(USER)$(shell date +%m%d%H%M)
		BF_BUILD_NUMBER := $(USER)$(shell $(DATE) +%m%d%H%M)
		else
		BF_BUILD_NUMBER := $(BUILD_NUMBER)
		endif
		@@ -197,6 +197,7 @@ endif
		PRIVATE_BUILD_DESC="$(PRIVATE_BUILD_DESC)" \
		BUILD_ID="$(BUILD_ID)" \
		BUILD_DISPLAY_ID="$(BUILD_DISPLAY_ID)" \
		DATE="$(DATE_FROM_FILE)" \
		BUILD_NUMBER="$(BUILD_NUMBER_FROM_FILE)" \
		BOARD_BUILD_SYSTEM_ROOT_IMAGE="$(BOARD_BUILD_SYSTEM_ROOT_IMAGE)" \
		PLATFORM_VERSION="$(PLATFORM_VERSION)" \
		@@ -246,8 +247,8 @@ $(INSTALLED_VENDOR_BUILD_PROP_TARGET): $(INSTALLED_BUILD_PROP_TARGET)
		@echo Target vendor buildinfo: $@
		@mkdir -p $(dir $@)
		$(hide) echo > $@
		$(hide) echo ro.vendor.build.date=`date`>>$@
		$(hide) echo ro.vendor.build.date.utc=`date +%s`>>$@
		$(hide) echo ro.vendor.build.date=`$(DATE_FROM_FILE)`>>$@
		$(hide) echo ro.vendor.build.date.utc=`$(DATE_FROM_FILE) +%s`>>$@
		$(hide) echo ro.vendor.build.fingerprint="$(BUILD_FINGERPRINT_FROM_FILE)">>$@
		endif

		@@ -262,8 +263,8 @@ $(INSTALLED_BOOTIMAGE_BUILD_PROP_TARGET): $(INSTALLED_BUILD_PROP_TARGET)
		@echo Target bootimage buildinfo: $@
		@mkdir -p $(dir $@)
		$(hide) echo > $@
		$(hide) echo ro.bootimage.build.date=`date`>>$@
		$(hide) echo ro.bootimage.build.date.utc=`date +%s`>>$@
		$(hide) echo ro.bootimage.build.date=`$(DATE_FROM_FILE)`>>$@
		$(hide) echo ro.bootimage.build.date.utc=`$(DATE_FROM_FILE) +%s`>>$@
		$(hide) echo ro.bootimage.build.fingerprint="$(BUILD_FINGERPRINT_FROM_FILE)">>$@

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

core/config.mk

+17 −0

Original line number	Diff line number	Diff line
		@@ -163,6 +163,23 @@ endif
		# are specific to the user's build configuration.
		include $(BUILD_SYSTEM)/envsetup.mk

		# ---------------------------------------------------------------
		# 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__=\"$(BUILD_DATETIME_C_TIME)\"
		COMMON_GLOBAL_CPPFLAGS += -Wno-builtin-macro-redefined -D__DATE__="\"$(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

core/droiddoc.mk

+1 −1

Original line number	Diff line number	Diff line
		@@ -132,7 +132,7 @@ droiddoc := \

		$(full_target): PRIVATE_DOCLETPATH := $(HOST_OUT_JAVA_LIBRARIES)/jsilver$(COMMON_JAVA_PACKAGE_SUFFIX):$(HOST_OUT_JAVA_LIBRARIES)/doclava$(COMMON_JAVA_PACKAGE_SUFFIX)
		$(full_target): PRIVATE_CURRENT_BUILD := -hdf page.build $(BUILD_ID)-$(BUILD_NUMBER_FROM_FILE)
		$(full_target): PRIVATE_CURRENT_TIME := -hdf page.now "$$(date "+%d %b %Y %k:%M")"
		$(full_target): PRIVATE_CURRENT_TIME := -hdf page.now "$$($(DATE_FROM_FILE) "+%d %b %Y %k:%M")"
		$(full_target): PRIVATE_CUSTOM_TEMPLATE_DIR := $(LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR)
		$(full_target): PRIVATE_IN_CUSTOM_ASSET_DIR := $(LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR)/$(LOCAL_DROIDDOC_CUSTOM_ASSET_DIR)
		$(full_target): PRIVATE_OUT_ASSET_DIR := $(out_dir)/$(LOCAL_DROIDDOC_ASSET_DIR)

core/main.mk

+9 −1

Original line number	Diff line number	Diff line
		@@ -102,8 +102,16 @@ else # !USE_NINJA
		# Write the build number to a file so it can be read back in
		# without changing the command line every time. Avoids rebuilds
		# when using ninja.
		$(shell mkdir -p $(OUT_DIR) && echo -n $(BUILD_NUMBER) > $(OUT_DIR)/build_number.txt)
		$(shell mkdir -p $(OUT_DIR) && \
		echo -n $(BUILD_NUMBER) > $(OUT_DIR)/build_number.txt && \
		echo -n $(BUILD_DATETIME) > $(OUT_DIR)/build_date.txt)
		BUILD_NUMBER_FROM_FILE := $$(cat $(OUT_DIR)/build_number.txt)
		BUILD_DATETIME_FROM_FILE := $$(cat $(OUT_DIR)/build_date.txt)
		ifeq ($(HOST_OS),darwin)
		DATE_FROM_FILE := date -r $(BUILD_DATETIME_FROM_FILE)
		else
		DATE_FROM_FILE := date -d @$(BUILD_DATETIME_FROM_FILE)
		endif

		# CTS-specific config.
		-include cts/build/config.mk

core/version_defaults.mk

+14 −1

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		# DEFAULT_APP_TARGET_SDK
		# BUILD_ID
		# BUILD_NUMBER
		# BUILD_DATETIME
		#

		# Look for an optional file containing overrides of the defaults,
		@@ -89,6 +90,18 @@ ifeq "" "$(BUILD_ID)"
		BUILD_ID := UNKNOWN
		endif

		ifeq "" "$(BUILD_DATETIME)"
		# Used to reproduce builds by setting the same time. Must be the number
		# of seconds since the Epoch.
		BUILD_DATETIME := $(shell date +%s)
		endif

		ifneq (,$(findstring Darwin,$(shell uname -sm)))
		DATE := date -r $(BUILD_DATETIME)
		else
		DATE := date -d @$(BUILD_DATETIME)
		endif

		ifeq "" "$(BUILD_NUMBER)"
		# BUILD_NUMBER should be set to the source control value that
		# represents the current state of the source code. E.g., a
		@@ -99,5 +112,5 @@ ifeq "" "$(BUILD_NUMBER)"
		# If no BUILD_NUMBER is set, create a useful "I am an engineering build
		# from this date/time" value. Make it start with a non-digit so that
		# anyone trying to parse it as an integer will probably get "0".
		BUILD_NUMBER := eng.$(USER).$(shell date +%Y%m%d.%H%M%S)
		BUILD_NUMBER := eng.$(USER).$(shell $(DATE) +%Y%m%d.%H%M%S)
		endif