Branden, The new mesa packaging still has issues. Try this... dpkg --purge xlibmesa-gl-dev xlibmesa-glu-dev xlibosmesa-dev libglut3-dev glutg3-dev
mkdir debian-pymol cd debian-pymol apt-get source pymol apt-get build-dep pymol On my machine I get a confusing array of error messages like... debian:/home/howarth/debian-pymol# apt-get build-dep pymol Reading Package Lists... Done Building Dependency Tree... Done The following packages will be REMOVED: lightspeed x-window-system x-window-system-core xlibmesa3-gl The following NEW packages will be installed: glutg3-dev libglut3-dev xlibmesa-dev xlibmesa3 0 packages upgraded, 4 newly installed, 4 to remove and 0 not upgraded. 1 packages not fully installed or removed. Need to get 0B/3601kB of archives. After unpacking 5865kB will be used. Do you want to continue? [Y/n] y (Reading database ... 110102 files and directories currently installed.) Removing lightspeed ... Removing x-window-system ... Removing x-window-system-core ... dpkg: xlibmesa3-gl: dependency problems, but removing anyway as you request: xbase-clients depends on xlibmesa3-gl | libgl1; however: Package xlibmesa3-gl is to be removed. Package libgl1 is not installed. Package xlibmesa3-gl which provides libgl1 is to be removed. Package xlibmesa3 which provides libgl1 is not installed. xlibosmesa3 depends on xlibmesa3-gl | libgl1; however: Package xlibmesa3-gl is to be removed. Package libgl1 is not installed. Package xlibmesa3-gl which provides libgl1 is to be removed. Package xlibmesa3 which provides libgl1 is not installed. xbase-clients depends on xlibmesa3-gl | libgl1; however: Package xlibmesa3-gl is to be removed. Package libgl1 is not installed. Package xlibmesa3-gl which provides libgl1 is to be removed. Package xlibmesa3 which provides libgl1 is not installed. ...etc... If I manually install all of the new mesa packages and apt-get -f install I can get everything in place to build pymol but 'apt-get build-deps pymol' alone won't work. Jack