How Android modifies code to compile

1:./mk n (r) kernel;/mk bootimage; When modifying kernel related code, it is as follows:

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 When modifying preloader related code, it is as follows:

alps/mediatek/platform/mt65xx/preloader/

alps/mediatek/source/preloader/

alps/mediatek/customer/mt65xx/preloader/

alps/mediatek/customer/common/preloader/

alps/mediatek/customer/$porject _name$/kernle

......

3:./MK uboot when modifying uboot related code, as follows:

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 when modifying system-related code, it is as follows:

alps/frameworks/

alps/packages/

alps/vendor/

Alps/hardware/

alps/dalvik/

...........

5:./MK recoverimage When modifying recover related code, as follows:

alps/bootable/recovery/

alps/mediatek/customer/$project _name$/recovery/

......

6:./MK factoryimage: Use this command when modifying factory related code as follows:

alps/mediatek/customer/$project _name$/factory/

alps/mediatek/customer/common/factory/

alps/mediatek/source/factory/

......

7:./MK secroimage when modifying Secro related code, as follows:

alps/mediatek/source/secro/

alps/mediatek/customer/$project _name$/secro/