# Build

AOSP is build using fragmented `Android.bp` files.

Each module will contain one `Android.bp` file, Soong will build all the dependencies linked to one another.

Here are some of the Android soong build commands:

* `m` - Builds the whole source code tree.
* `mma` - Builds all of the modules in the current directory, and their dependencies.
* `mmma` - Builds all of the modules in the supplied directories, and their dependencies.
* `croot` - cd to the top of the tree.
* `clean` - Deletes all of the output and intermediate files for this configuration.
* `soong_ui` - Starts the Soong UI, which allows you to interactively build and debug your Android project.
* `soong_build` - Builds your Android project using the Soong build system.

Mostly, we need 2 different type of `Android.bp` configurations:

1.