platform_build/core/product.mk
Ying Wang 0c4eb41885 Load only the current product config makefile.
To reduce the start time.
With the change and previous change of doing clean step in only given paths,
start time of mm/mmm is reduced from ~5s to about 1s;
lunch time is reduced from ~40s to 3.5s.

(cherry-pick of 157a5e1695593f935c3223430f4530e21f990378.)

Bug: 7186768,7169854
Change-Id: I0be5e2721efa66a80f112acf8f95e177ebc2f65b
2012-10-03 10:27:08 -07:00

288 lines
8 KiB
Makefile

#
# Copyright (C) 2007 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.
#
#
# Functions for including AndroidProducts.mk files
# PRODUCT_MAKEFILES is set up in AndroidProducts.mks.
# Format of PRODUCT_MAKEFILES:
# <product_name>:<path_to_the_product_makefile>
# If the <product_name> is the same as the base file name (without dir
# and the .mk suffix) of the product makefile, "<product_name>:" can be
# omitted.
#
# Returns the list of all AndroidProducts.mk files.
# $(call ) isn't necessary.
#
define _find-android-products-files
$(shell test -d device && find device -maxdepth 6 -name AndroidProducts.mk) \
$(shell test -d vendor && find vendor -maxdepth 6 -name AndroidProducts.mk) \
$(SRC_TARGET_DIR)/product/AndroidProducts.mk
endef
#
# Returns the sorted concatenation of PRODUCT_MAKEFILES
# variables set in the given AndroidProducts.mk files.
# $(1): the list of AndroidProducts.mk files.
#
define get-product-makefiles
$(sort \
$(foreach f,$(1), \
$(eval PRODUCT_MAKEFILES :=) \
$(eval LOCAL_DIR := $(patsubst %/,%,$(dir $(f)))) \
$(eval include $(f)) \
$(PRODUCT_MAKEFILES) \
) \
$(eval PRODUCT_MAKEFILES :=) \
$(eval LOCAL_DIR :=) \
)
endef
#
# Returns the sorted concatenation of all PRODUCT_MAKEFILES
# variables set in all AndroidProducts.mk files.
# $(call ) isn't necessary.
#
define get-all-product-makefiles
$(call get-product-makefiles,$(_find-android-products-files))
endef
#
# Functions for including product makefiles
#
_product_var_list := \
PRODUCT_NAME \
PRODUCT_MODEL \
PRODUCT_LOCALES \
PRODUCT_AAPT_CONFIG \
PRODUCT_AAPT_PREF_CONFIG \
PRODUCT_PACKAGES \
PRODUCT_PACKAGES_DEBUG \
PRODUCT_PACKAGES_ENG \
PRODUCT_PACKAGES_TESTS \
PRODUCT_DEVICE \
PRODUCT_MANUFACTURER \
PRODUCT_BRAND \
PRODUCT_PROPERTY_OVERRIDES \
PRODUCT_DEFAULT_PROPERTY_OVERRIDES \
PRODUCT_CHARACTERISTICS \
PRODUCT_COPY_FILES \
PRODUCT_OTA_PUBLIC_KEYS \
PRODUCT_EXTRA_RECOVERY_KEYS \
PRODUCT_PACKAGE_OVERLAYS \
DEVICE_PACKAGE_OVERLAYS \
PRODUCT_TAGS \
PRODUCT_SDK_ADDON_NAME \
PRODUCT_SDK_ADDON_COPY_FILES \
PRODUCT_SDK_ADDON_COPY_MODULES \
PRODUCT_SDK_ADDON_DOC_MODULES \
PRODUCT_DEFAULT_WIFI_CHANNELS \
PRODUCT_DEFAULT_DEV_CERTIFICATE \
PRODUCT_RESTRICT_VENDOR_FILES \
PRODUCT_VENDOR_KERNEL_HEADERS \
PRODUCT_FACTORY_RAMDISK_MODULES \
PRODUCT_FACTORY_BUNDLE_MODULES
define dump-product
$(info ==== $(1) ====)\
$(foreach v,$(_product_var_list),\
$(info PRODUCTS.$(1).$(v) := $(PRODUCTS.$(1).$(v))))\
$(info --------)
endef
define dump-products
$(foreach p,$(PRODUCTS),$(call dump-product,$(p)))
endef
#
# $(1): product to inherit
#
# Does three things:
# 1. Inherits all of the variables from $1.
# 2. Records the inheritance in the .INHERITS_FROM variable
# 3. Records that we've visited this node, in ALL_PRODUCTS
#
define inherit-product
$(foreach v,$(_product_var_list), \
$(eval $(v) := $($(v)) $(INHERIT_TAG)$(strip $(1)))) \
$(eval inherit_var := \
PRODUCTS.$(strip $(word 1,$(_include_stack))).INHERITS_FROM) \
$(eval $(inherit_var) := $(sort $($(inherit_var)) $(strip $(1)))) \
$(eval inherit_var:=) \
$(eval ALL_PRODUCTS := $(sort $(ALL_PRODUCTS) $(word 1,$(_include_stack))))
endef
#
# Do inherit-product only if $(1) exists
#
define inherit-product-if-exists
$(if $(wildcard $(1)),$(call inherit-product,$(1)),)
endef
#
# $(1): product makefile list
#
#TODO: check to make sure that products have all the necessary vars defined
define import-products
$(call import-nodes,PRODUCTS,$(1),$(_product_var_list))
endef
#
# Does various consistency checks on all of the known products.
# Takes no parameters, so $(call ) is not necessary.
#
define check-all-products
$(if ,, \
$(eval _cap_names :=) \
$(foreach p,$(PRODUCTS), \
$(eval pn := $(strip $(PRODUCTS.$(p).PRODUCT_NAME))) \
$(if $(pn),,$(error $(p): PRODUCT_NAME must be defined.)) \
$(if $(filter $(pn),$(_cap_names)), \
$(error $(p): PRODUCT_NAME must be unique; "$(pn)" already used by $(strip \
$(foreach \
pp,$(PRODUCTS),
$(if $(filter $(pn),$(PRODUCTS.$(pp).PRODUCT_NAME)), \
$(pp) \
))) \
) \
) \
$(eval _cap_names += $(pn)) \
$(if $(call is-c-identifier,$(pn)),, \
$(error $(p): PRODUCT_NAME must be a valid C identifier, not "$(pn)") \
) \
$(eval pb := $(strip $(PRODUCTS.$(p).PRODUCT_BRAND))) \
$(if $(pb),,$(error $(p): PRODUCT_BRAND must be defined.)) \
$(foreach cf,$(strip $(PRODUCTS.$(p).PRODUCT_COPY_FILES)), \
$(if $(filter 2 3,$(words $(subst :,$(space),$(cf)))),, \
$(error $(p): malformed COPY_FILE "$(cf)") \
) \
) \
) \
)
endef
#
# Returns the product makefile path for the product with the provided name
#
# $(1): short product name like "generic"
#
define _resolve-short-product-name
$(eval pn := $(strip $(1)))
$(eval p := \
$(foreach p,$(PRODUCTS), \
$(if $(filter $(pn),$(PRODUCTS.$(p).PRODUCT_NAME)), \
$(p) \
)) \
)
$(eval p := $(sort $(p)))
$(if $(filter 1,$(words $(p))), \
$(p), \
$(if $(filter 0,$(words $(p))), \
$(error No matches for product "$(pn)"), \
$(error Product "$(pn)" ambiguous: matches $(p)) \
) \
)
endef
define resolve-short-product-name
$(strip $(call _resolve-short-product-name,$(1)))
endef
_product_stash_var_list := $(_product_var_list) \
TARGET_ARCH \
TARGET_ARCH_VARIANT \
TARGET_BOARD_PLATFORM \
TARGET_BOARD_PLATFORM_GPU \
TARGET_BOARD_KERNEL_HEADERS \
TARGET_DEVICE_KERNEL_HEADERS \
TARGET_PRODUCT_KERNEL_HEADERS \
TARGET_BOOTLOADER_BOARD_NAME \
TARGET_COMPRESS_MODULE_SYMBOLS \
TARGET_NO_BOOTLOADER \
TARGET_NO_KERNEL \
TARGET_NO_RECOVERY \
TARGET_NO_RADIOIMAGE \
TARGET_HARDWARE_3D \
TARGET_PROVIDES_INIT_RC \
TARGET_CPU_ABI \
TARGET_CPU_ABI2 \
TARGET_CPU_SMP \
_product_stash_var_list += \
BOARD_WPA_SUPPLICANT_DRIVER \
BOARD_WLAN_DEVICE \
BOARD_USES_GENERIC_AUDIO \
BOARD_KERNEL_CMDLINE \
BOARD_KERNEL_BASE \
BOARD_HAVE_BLUETOOTH \
BOARD_HAVE_BLUETOOTH_BCM \
BOARD_HAVE_BLUETOOTH_QCOM \
BOARD_VENDOR_QCOM_AMSS_VERSION \
BOARD_VENDOR_USE_AKMD \
BOARD_EGL_CFG \
BOARD_BOOTIMAGE_PARTITION_SIZE \
BOARD_RECOVERYIMAGE_PARTITION_SIZE \
BOARD_SYSTEMIMAGE_PARTITION_SIZE \
BOARD_USERDATAIMAGE_PARTITION_SIZE \
BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE \
BOARD_CACHEIMAGE_PARTITION_SIZE \
BOARD_FLASH_BLOCK_SIZE \
BOARD_SYSTEMIMAGE_PARTITION_SIZE \
BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE \
BOARD_VENDOR_QCOM_GPS_LOC_API_AMSS_VERSION \
BOARD_INSTALLER_CMDLINE \
_product_stash_var_list += \
DEFAULT_SYSTEM_DEV_CERTIFICATE
#
# Stash vaues of the variables in _product_stash_var_list.
# $(1): Renamed prefix
#
define stash-product-vars
$(foreach v,$(_product_stash_var_list), \
$(eval $(strip $(1))_$(call rot13,$(v)):=$$($$(v))) \
)
endef
#
# Assert that the the variable stashed by stash-product-vars remains untouched.
# $(1): The prefix as supplied to stash-product-vars
#
define assert-product-vars
$(strip \
$(eval changed_variables:=)
$(foreach v,$(_product_stash_var_list), \
$(if $(call streq,$($(v)),$($(strip $(1))_$(call rot13,$(v)))),, \
$(eval $(warning $(v) has been modified: $($(v)))) \
$(eval $(warning previous value: $($(strip $(1))_$(call rot13,$(v))))) \
$(eval changed_variables := $(changed_variables) $(v))) \
) \
$(if $(changed_variables),\
$(eval $(error The following variables have been changed: $(changed_variables))),)
)
endef
define add-to-product-copy-files-if-exists
$(if $(wildcard $(word 1,$(subst :, ,$(1)))),$(1))
endef