grav has the following dependencies:

    * GNU Multiple Precision Arithmetic Library


To build grav:

$ cd grav
$ make depend
$ make

This will generate the executable, grav.  See INSTRUCTIONS for instructions on
how to use the software.

Note that grav cannot display by itself, but uses plugins to display the
simulated systems.  There is in-built support for displaying information to
stdout in the abscence of any other display.

The instructions for building display drivers can be found in the driver
directory.

    * SDL 1.2
    * SDL Image
    * OpenGL