wget -c http://ftp.gnome.org/pub/GNOME/sources/libart_lgpl/2.3/libart_lgpl-2.3.21.tar.bz2
tar -xjf libart_lgpl-2.3.21.tar.bz2
cd libart_lgpl-2.3.21
mkdir -p build
cd build
../configure --prefix="/usr"
make # Doesn't mind -j#
make install