Makefile Include Diagram

              /---> project/$(PROJECT).mk
              |
              |---> target/$(TARGET)/rules.mk
              |
              |---> platform/$(PLATFORM)/rules.mk
              |
              |---> arch/$(ARCH)/rules.mk
              |
              |---> top/rules.mk
              |
engine.mk --->|
              |                         /---> rules.mk ---> make/module.mk ---> make/compile.mk
              |                         |
              |                         |
              |---> make/recurse.mk --->|
              |            ^            |
              |            |            |
              |            |            |
              |            \____________/
              |
              |
              \---> make/mdi.mk
              |
              \---> make/build.mk