TWRP Build Instructions 9.0

TWRP 9.0 - Build Instructions

Steps to build TWRP recovery for HTC Desire 728G Dual Sim (a50cmg_dwg) on Arch Linux.

Install dependencies

pacaur -S aosp-devel

See detailed instructions on Arch Android Wiki

Init repo

mkdir twrp-9.0 && cd twrp-9.0
repo init --depth=1 -u https://github.com/minimal-manifest-twrp/platform_manifest_twrp_omni.git -b twrp-9.0

Add device manifest

Create .repo/local_manifests/a50cmg_dwg.xml and add:

<?xml version="1.0" encoding="UTF-8"?>
<manifest>
	<project name="maxrd2/android_device_htc_a50cmg_dwg" path="device/htc/a50cmg_dwg" remote="github" revision="android-5.1" />
</manifest>

Sync and setup environment

repo sync -j$(nproc) -c
virtualenv --python /usr/bin/python2 --system-site-packages venv
. venv/bin/activate
export LC_ALL=C # without this compilation will fail
export ANDROID_JAVA_HOME=/usr/lib/jvm/java-8-openjdk
export PATH="$ANDROID_JAVA_HOME/bin:$PATH"
export ALLOW_MISSING_DEPENDENCIES=true
. build/envsetup.sh

Build

lunch omni_a50cmg_dwg-eng
mka installclean
mka recoveryimage

Successfull build will produce TWRP image: out/target/product/a50cmg_dwg/recovery.img which can be flashed with:

fastboot flash recovery out/target/product/a50cmg_dwg/recovery.img