[Proj] libproj4 license and related hassles

[Thomas Knudsen]

2008/11/13 Peter S Galbraith <psg at debian.org>
> The MIT license is GPL-compatible in one way only.  You can take MIT
> licensed materiel and add it to GPL'ed code (to create a larger code
> under the GPL), but you can't take GPL'ed code and add it to MIT code
> (to create a larger code licensed under the MIT license).

... or in fewer words: the MIT license is GPL-compatible, but the
GPL is not MIT license compatible.

/thomas