关于Android SDK源码编译的问题

在编译SDK源码时，报错：
javadoc: 错误 - 找不到文件："out/target/common/obj/APPS/framework-res_intermediates/src/android/R.java"
javadoc: 错误 - 找不到文件："out/target/common/obj/APPS/framework-res_intermediates/src/android/Manifest.java"
javadoc: 错误 - 找不到文件："out/target/common/obj/APPS/framework-res_intermediates/src/com/android/internal/R.java"3 错误
make: *** [out/target/common/docs/api-stubs-timestamp] 错误 45

求大神指点！！感激不尽。