wget -c https://www.gnu.org/software/xorriso/xorriso-1.4.9.tar.gz
tar -xzf xorriso-1.4.9.tar.gz
cd xorriso-1.4.9
ln -sf build/config.h config.h
mkdir -p build
cd build
../configure --prefix="/usr"
make # Doesn't mind -j#
make install