D:Program Files (x86)Texas Instrumentsccsv4utilsgmakegmake -k all
D:Program Files (x86)Texas Instrumentsccsv4utilsgmakegmake: *** No rule to make target `E:/CCS4_works/5509develop_new/GPIO/gpio.cmd', needed by `E://CCS4_works/5509develop_new/GPIO/Debug/5509gpio.out'.
本人在CCS4.1下从开发板例程导入了一个工程（工程是买开发板带的，应该没问题），编译报错如下，真心求教
D:Program Files (x86)Texas Instrumentsccsv4utilsgmakegmake: *** No rule to make target `E:/CCS4_works/5509develop_new/GPIO/gpio.c', needed by `D:/CCStudio_v3.3/MyProjects/5509/GPIO/Debug/gpio.obj'.
D:Program Files (x86)Texas Instrumentsccsv4utilsgmakegmake: Target `all' not remade because of errors.
Build complete for project 5509gpio