From: Alex Kost <alezost@gmail.com>
Subject: Re: [PATCH] gnu: Add emacs-mew.
Date: Wed, 25 Jan 2017 12:29:14 +0300

> This could happen if it adds itself to a sub-directory of
> "/share/emacs/site-lisp".  In 'magit' package, for example, it is 
> fixed
> by using "lispdir" makeflag.  Since this package uses a full GNU 
> Build
> System, there should probably be "--with-lispdir" configure flag.

Indeed, done!

> BTW, I can't apply this patch on the current master.

I had edited the patch file manually. Seems like this sometimes 
works, sometimes doesn't.

I've attached an updated patch, which also fixes some issues with 
paths to various icons.

Thomas