Re: Installing a custom package on Guix binary setup

["Thompson, David" <dthompson2@worcester.edu>]

Hi Vicente,

On Mon, Aug 31, 2015 at 12:42 PM, Vicente Vera <vicentemvp@gmail.com> wrote:
> Hello,
>
> Currently i'm using a Guix binary installation on top of my GNU/Linux
> distro. Setup went fine.
>
> So far i've installed only substitutes (everything OK), but there are
> some packages that I want to tweak a little.
>
> How can I install a customized .scm package definition?
>
> For example, I want to pass some configure flags to Emacs (such as
> '#:configure-flags '("--without-dbus" ...)'). I copied
> /gnu/store/dbf9i96ac2pbyaibg591bx90a8zhvngc-guix-latest/gnu/packages/emacs.scm
> somewhere else, did some editing, but now I'm not sure what to do with
> it.
>
> Going through the mailing list i've found out that I might need to
> build Guix from source to do such a thing, but want to know if it can
> be done with a binary installation.

You'll want to create your own directory of Guile modules that contain
Guix package objects and configure the GUIX_PACKAGE_PATH environment
variable so Guix will find them.  See
<https://gnu.org/software/guix/manual/html_node/Package-Modules.html#Package-Modules>
for more details.

- Dave