jon@LiNuXRoCkS:~$ sudo apt-get install cvs build-essential bison flex-old libasound2-dev x-window-system-dev libpng12-dev libjpeg62-dev libfreetype6-dev libxrender-dev libttf2 libttf-dev msttcorefonts libfontconfig1-dev
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Couldn't find package x-window-system-dev
jon@LiNuXRoCkS:~$