This will install the GNU Scientific Library on heroku

Here are the buildpack for the corresponding versions:

• git://github.com/gregory/heroku-gsl-buildpack.git#gsl-1.15
• git://github.com/gregory/heroku-gsl-buildpack.git#gsl-1.16

Heroku's documentation is pretty straight forward

ex:

heroku buildpacks:set git://github.com/gregory/heroku-gsl-buildpack.git#gsl-1.16

Copyright (c) 2015 gregory horion. See LICENSE.txt for further details.