pacman -S gba-dev
git clone https://github.com/zig-homebrew/zig-gba
cd zig-gba/
zig build # then run zig-out/zig-gba.gba with mgba
pacman -S gba-dev
git clone https://github.com/zig-homebrew/zig-gba
cd zig-gba/
zig build # then run zig-out/zig-gba.gba with mgba