Android编译分析

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Android-6.0编译分析
 #Startsource env.sh    source build/envsetup.sh        . device/.../vendorsetup.sh        . vendor/.../vendorsetup.sh        addcompletionslunch ...    set_stuff_for_environment        setpaths            local ARCH=$(get_build_var TARGET_ARCH)                get_build_var()                    CALLED_FROM_SETUP=true BUILD_SYSTEM=build/core \                        command make --no-print-directory -f build/core/config.mk dumpvar-$1                    build/core/config.mk dumpvar-TARGET_ARCH                        include $(BUILD_SYSTEM)/dumpvar.mk                            $(dumpvar_target):@echo $(DUMPVAR_VALUE)                            makeMakefile    build/core/main.mk        include $(BUILD_SYSTEM)/config.mk            include $(BUILD_SYSTEM)/envsetup.mk            FIND_LEAVES_EXCLUDES := $(addprefix --prune=, $(OUT_DIR) $(SCAN_EXCLUDE_DIRS) .repo .git)            include $(BUILD_SYSTEM)/product_config.mk                include $(BUILD_SYSTEM)/product.mk                #查找所有AndroidProducts.mk                all_product_configs := $(get-all-product-makefiles)                    $(call get-product-makefiles,$(_find-android-products-files)) #product.mk                        $(eval include $(f))                        #include device/.../AndroidProducts.mk                        #include vendor/.../AndroidProducts.mk                        #include $(SRC_TARGET_DIR)/product/AndroidProducts.mk                            TARGET_BUILD_APPS=                #查找所有product配置Makefile                $(call import-products, $(current_product_makefile))                    $(call import-nodes,PRODUCTS,$(1),$(_product_var_list))                    ----                    device/r/k/r_k.mk                        $(call inherit-product, device/r/k/device.mk)                        $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base.mk)                            $(call inherit-product, $(SRC_TARGET_DIR)/product/full_base.mk)                                $(call inherit-product, $(SRC_TARGET_DIR)/product/generic_no_telephony.mk)                                    $(call inherit-product, $(SRC_TARGET_DIR)/product/core.mk)                        $(call inherit-product, device/r/k/r/r.mk)                    ----        #查找所有Android.mk        subdir_makefiles := $(shell build/tools/findleaves.py $(FIND_LEAVES_EXCLUDES) $(subdirs) Android.mk)         $(foreach mk, $(subdir_makefiles), $(info including $(mk) ...)$(eval include $(mk)))#End
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