android image文件编译

1.打开build/core/main.mk文件

.PHONY: ramdisk为其中一个的编译目标

.PHONY: ramdisk
ramdisk: $(INSTALLED_RAMDISK_TARGET)

.PHONY: ramdisk_debug
ramdisk_debug: $(INSTALLED_DEBUG_RAMDISK_TARGET)

.PHONY: systemtarball
systemtarball: $(INSTALLED_SYSTEMTARBALL_TARGET)

.PHONY: boottarball
boottarball: $(INSTALLED_BOOTTARBALL_TARGET)

.PHONY: userdataimage
userdataimage: $(INSTALLED_USERDATAIMAGE_TARGET)

ifneq (,$(filter userdataimage, $(MAKECMDGOALS)))
$(call dist-for-goals, userdataimage, $(BUILT_USERDATAIMAGE_TARGET))
endif

.PHONY: userdatatarball
userdatatarball: $(INSTALLED_USERDATATARBALL_TARGET)

.PHONY: cacheimage
cacheimage: $(INSTALLED_CACHEIMAGE_TARGET)

.PHONY: bptimage
bptimage: $(INSTALLED_BPTIMAGE_TARGET)

.PHONY: vendorimage
vendorimage: $(INSTALLED_VENDORIMAGE_TARGET)

.PHONY: productimage
productimage: $(INSTALLED_PRODUCTIMAGE_TARGET)

.PHONY: productservicesimage
productservicesimage: $(INSTALLED_PRODUCT_SERVICESIMAGE_TARGET)

.PHONY: odmimage
odmimage: $(INSTALLED_ODMIMAGE_TARGET)

.PHONY: systemotherimage
systemotherimage: $(INSTALLED_SYSTEMOTHERIMAGE_TARGET)

.PHONY: superimage_empty
superimage_empty: $(INSTALLED_SUPERIMAGE_EMPTY_TARGET)

.PHONY: bootimage
bootimage: $(INSTALLED_BOOTIMAGE_TARGET)

.PHONY: bootimage_debug
bootimage_debug: $(INSTALLED_DEBUG_BOOTIMAGE_TARGET)

.PHONY: vbmetaimage
vbmetaimage: $(INSTALLED_VBMETAIMAGE_TARGET)

.PHONY: auxiliary
auxiliary: $(INSTALLED_AUX_TARGETS)

# Build files and then package it into the rom formats
.PHONY: droidcore

2. make ramdisk -j6