Gnu/Linux:
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Run ./configure followed with make and make install. 

If configure is not present run ./autogen to generate the configure script.

For Allegro support you need the following libraries installed:
* Allegro       http://alleg.sourceforge.net/

For OpenGL support you need the following libraries installed:
* OpenGL        check with your graphics card vendor

For SDL support you need the following libraries installed:
* SDL           http://www.libsdl.org
* SDL_image     http://www.libsdl.org

Microsoft Windows:
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Todo!