[PATCH] gnu: emacs: Install site-start.el in non-versioned directory.

[Alex Kost <alezost@gmail.com>]

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Ricardo tested Emacs 25 with this package definition:
<http://paste.lisp.org/display/320941> and noticed that it doesn't find
Emacs packages in ~/.guix-profile.

This happens because "site-start.el" in the inherited package is placed
"/share/emacs/24.5/site-lisp" directory (the version part is wrong).  To
avod this, we can put "site-start.el" into a non-versioned site-lisp
directory.  The patch is attached.


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From 5907c4768bdba861e1c30b1cb5f0a73fe33f9600 Mon Sep 17 00:00:00 2001
From: Alex Kost <alezost@gmail.com>
Date: Thu, 21 Jul 2016 20:13:27 +0300
Subject: [PATCH] gnu: emacs: Install site-start.el in non-versioned directory.

Reported by Ricardo Wurmus on #guix.

* gnu/packages/emacs.scm (emacs)[arguments]: Put "site-start.el" in
"/share/emacs/site-lisp" instead of "/share/emacs/<version>/site-lisp"
to let inherited package with another version find it.
---
 gnu/packages/emacs.scm | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index 3fcf121..eed64f4 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -125,9 +125,7 @@
            (lambda* (#:key inputs outputs #:allow-other-keys)
              (let* ((guix-src (assoc-ref inputs "guix-src"))
                     (out      (assoc-ref outputs "out"))
-                    (lisp-dir (string-append out "/share/emacs/"
-                                             ,(version-major+minor version)
-                                             "/site-lisp"))
+                    (lisp-dir (string-append out "/share/emacs/site-lisp"))
                     (unpack   (assoc-ref %standard-phases 'unpack)))
                (mkdir "guix")
                (with-directory-excursion "guix"
-- 
2.8.3