build and install

make
sudo make install

Arch Linux PKGBUILD: https://git.flylightning.xyz/fly/tree/pkgbuilds/xcross-git/PKGBUILD?id=b284d75ff70139672727f6ead90587ed6aa65630

I don't think anyone else will use this program, so I didn't put the PKGBUILD in AUR. Request it if you want.