On Wed, Feb 14, 2018 at 09:59:03PM +0530, Arun Isaac wrote:
> * gnu/packages/geo.scm (mapnik): New variable.

Thanks!

> +    (version "3.0.16")
> +    (source
> +     (origin
> +       (method url-fetch)
> +       (uri (string-append "https://github.com/mapnik/mapnik/releases/download/v"
> +                           version "/mapnik-v" version ".tar.bz2"))

I notice that 3.0.18 is available upstream. Please use that if possible,
otherwise leave a code comment explaining why we use an older release.

Otherwise LGTM