masemoel

# First time building A12
Open terminal and run:

sudo bash
mkdir /mnt/ccache
exit
sudo mount --bind /home/masemoel/.ccache /mnt/ccache
export USE_CCACHE=1 && export CCACHE_EXEC=/usr/bin/ccache && ccache -M 60G && export CCACHE_DIR=/mnt/ccache

(set ccache -M with the maximum of GB of your disk you wanna set available for ccache, and home/masemoel with home/ and your username on your Linux environment).

masemoel

To build a A12+ (AOSP/LOS based) on Ubuntu 22.04+ (or distros based on it), there are four main steps:
(This guide is applicable for recoveries as well (TWRP, OFRP...))
Working on Android 12 and upper
 
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#                  Step 1: Setup your environment               #
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****Setup Linux to build Android****