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OpenGL games won't open due to X11

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linux-howto

http://askubuntu.com – For some reason, any OpenGL game I try to play crashes when it wants to open the window. Let me give you an example from running teeworlds from terminal: imnotanerd@sys76laptop:~$ teeworlds # skip to the error [5015be1f][gfx]: unable to set video mode: X11 driver not configured with OpenGL [5015be1f][gfx]: out of ideas. failed to init graphics That X11 error will pop up with any OpenGL game I open. I've been researching this (Without much luck) and have seen that I should install SDL. Ok, so on to libsdl.org, download source, ./configure && make && make install, no errors (HowTos)