摘要： 从网上看的别人的：在android的顶层目录里，运行下面的命令：source build/envsetup.sh运行命令后，就添加了很多命令到sh解释器，具体命令如下：-croot: Changes directory to the top ofthe tree.-m: Makes from the top of the tree.-mm: Builds all of the modules in thecurrent directory.-mmm: Builds all of the modules in thesupplied directories.-cgrep: Greps on al 阅读全文