wget -c http://downloads.sourceforge.net/project/mad/libmad/0.15.1b/libmad-0.15.1b.tar.gz
tar -xzf libmad-0.15.1b.tar.gz
cd libmad-0.15.1b
mkdir -p build
cd build
../configure --prefix="/usr"
sed -i -e 's/-fforce-mem//' Makefile # Unsupported option
make # Doesn't mind -j#
make install