this is /etc/apt/sources.list I added the deb-src line ---------------------- deb http://packages.linuxmint.com/ maya main upstream import deb http://archive.ubuntu.com/ubuntu/ precise main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ precise-updates main restricted universe multiverse deb http://security.ubuntu.com/ubuntu/ precise-security main restricted universe multiverse deb http://archive.canonical.com/ubuntu/ precise partner deb http://packages.medibuntu.org/ precise free non-free #deb http://archive.getdeb.net/ubuntu precise-getdeb apps #deb http://archive.getdeb.net/ubuntu precise-getdeb games deb http://drbl.sourceforge.net/drbl-core drbl stable ---------------------- apt-get install dpkg-dev apt-get build-dep pulseaudio