# Download Android source with patches(local_manifests) Refer to http://source.android.com/source/downloading.html $ repo init -u https://android.googlesource.com/platform/manifest -b android-9.0.0_r37 $ git clone https://github.com/peyo-hd/local_manifests .repo/local_manifests -b pie $ repo sync # Build for Raspberry Pi3 https://github.com/peyo-hd/device_brcm_rpi3/tree/pie Use -j[n] option on sync & build steps, if build host has a good number of CPU cores. Graphics HAL of this build : https://github.com/anholt/mesa/wiki/VC4