当修改一些代码时,使用什么编译命令可以最有效率

当修改一些代码时,使用什么编译命令可以最有效率
1: ./mk n(r) kernel; ./mk bootimage;当修改kernel相关代码时,要使用此命令,具体如下:
alps/kernel/
alps/mediatek/platform/mt65xx/kernel/
alps/mediatek/source/kernel/
alps/mediatek/customer/mt65xx/kernel/
alps/mediatek/customer/common/kernel/
alps/mediatek/customer/$porject_name$/kernel
......
2: ./mk n pl 当修改preloader相关代码时,要使用此命令,具体如下:
alps/mediatek/platform/mt65xx/preloader/
alps/mediatek/source/preloader/
alps/mediatek/customer/mt65xx/preloader/
alps/mediatek/customer/common/preloader/
alps/mediatek/customer/$porject_name$/preloader
......
3: ./mk uboot 当修改uboot相关代码时,要使用此命令,具体如下:
alps/mediatek/platform/mt65xx/uboot/
alps/mediatek/source/uboot/
alps/bootable/bootloader/uboot/
alps/mediatek/customer/mt65xx/uboot/
alps/mediatek/customer/common/buoot/
alps/mediatek/customer/$porject_name$/uboot/
......
4: ./mk systemimage 当修改system相关代码时使用此命令,具体如下:
alps/frameworks/
alps/packages/
alps/vendor/
alps/hardware/
alps/dalvik/
...........
5: ./mk recoverimage 当修改recover相关代码时使用此命令,具体如下:
alps/bootable/recovery/
alps/mediatek/customer/$project_name$/recovery/
......
6: ./mk factoryimage: 当修改factory相关代码时使用此命令,具体如下:
alps/mediatek/customer/$project_name$/factory/
alps/mediatek/customer/common/factory/
alps/mediatek/source/factory/
......
7: ./mk secroimage 当修改secro相关代码时使用此命令,具体如下:
alps/mediatek/source/secro/
alps/mediatek/customer/$project_name$/secro/