gnu: linux: Move configuration files to "aux-files".

* gnu/packages/linux-libre-4.1-i686.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.1-i686.conf: ... this.
* gnu/packages/linux-libre-4.1-x86_64.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.1-x86_64.conf: ... this.
* gnu/packages/linux-libre-4.4-i686.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.4-i686.conf: ... this.
* gnu/packages/linux-libre-4.4-x86_64.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.4-x86_64.conf: ... this.
* gnu/packages/linux-libre-4.9-i686.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.9-i686.conf: ... this.
* gnu/packages/linux-libre-4.9-x86_64.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.9-x86_64.conf: ... this.
* gnu/packages/linux-libre-4.10-i686.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.10-i686.conf: ... this.
* gnu/packages/linux-libre-4.10-x86_64.conf: Rename to...
* gnu/packages/aux-files/linux-libre/4.10-x86_64.conf: ... this.
* gnu/packages/linux.scm (kernel-config): Use 'search-auxiliary-file' to
find configuration files.
* Makefile.am (KCONFIGS): Rename to...
(AUX_FILES): ... this.  Adjust accordingly.

Makefile.am

@@ -1,7 +1,7 @@
 # GNU Guix --- Functional package management for GNU
 # Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
 # Copyright © 2013 Andreas Enge <andreas@enge.fr>
-# Copyright © 2015 Alex Kost <alezost@gmail.com>
+# Copyright © 2015, 2017 Alex Kost <alezost@gmail.com>
 # Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
 # Copyright © 2016, 2017 Mark H Weaver <mhw@netris.org>
 #
@@ -196,16 +196,16 @@ endif BUILD_DAEMON_OFFLOAD
 # Internal modules with test suite support.
 dist_noinst_DATA = guix/tests.scm guix/tests/http.scm
 
-# Linux-Libre configurations.
-KCONFIGS =					\
-  gnu/packages/linux-libre-4.10-i686.conf	\
-  gnu/packages/linux-libre-4.10-x86_64.conf	\
-  gnu/packages/linux-libre-4.9-i686.conf	\
-  gnu/packages/linux-libre-4.9-x86_64.conf	\
-  gnu/packages/linux-libre-4.4-i686.conf	\
-  gnu/packages/linux-libre-4.4-x86_64.conf	\
-  gnu/packages/linux-libre-4.1-i686.conf	\
-  gnu/packages/linux-libre-4.1-x86_64.conf
+# Auxiliary files for packages.
+AUX_FILES =						\
+  gnu/packages/aux-files/linux-libre/4.10-i686.conf	\
+  gnu/packages/aux-files/linux-libre/4.10-x86_64.conf	\
+  gnu/packages/aux-files/linux-libre/4.9-i686.conf	\
+  gnu/packages/aux-files/linux-libre/4.9-x86_64.conf	\
+  gnu/packages/aux-files/linux-libre/4.4-i686.conf	\
+  gnu/packages/aux-files/linux-libre/4.4-x86_64.conf	\
+  gnu/packages/aux-files/linux-libre/4.1-i686.conf	\
+  gnu/packages/aux-files/linux-libre/4.1-x86_64.conf
 
 # Templates, examples.
 EXAMPLES =					\
@@ -216,7 +216,7 @@ EXAMPLES =					\
 GOBJECTS = $(MODULES:%.scm=%.go) guix/config.go $(dist_noinst_DATA:%.scm=%.go)
 
 nobase_dist_guilemodule_DATA =                  \
-  $(MODULES) $(KCONFIGS) $(EXAMPLES)            \
+  $(MODULES) $(AUX_FILES) $(EXAMPLES)            \
   $(MISC_DISTRO_FILES)
 nobase_nodist_guilemodule_DATA = $(GOBJECTS) guix/config.scm
 

gnu/packages/linux.scm

@@ -8,7 +8,7 @@
 ;;; Copyright © 2015, 2016 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016 Christopher Allan Webber <cwebber@dustycloud.org>
 ;;; Copyright © 2016, 2017 Tobias Geerinckx-Rice <me@tobias.gr>
-;;; Copyright © 2016 Alex Kost <alezost@gmail.com>
+;;; Copyright © 2016, 2017 Alex Kost <alezost@gmail.com>
 ;;; Copyright © 2016 Raymond Nicholson <rain1@openmailbox.org>
 ;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
 ;;; Copyright © 2016 Nicolas Goaziou <mail@nicolasgoaziou.fr>
@@ -194,11 +194,10 @@
 (define* (kernel-config arch #:key variant)
   "Return the absolute file name of the Linux-Libre build configuration file
 for ARCH and optionally VARIANT, or #f if there is no such configuration."
-  (let* ((name (string-append "linux-libre-"
-                              (if variant (string-append variant "-") "")
+  (let* ((name (string-append (if variant (string-append variant "-") "")
                               (if (string=? "i386" arch) "i686" arch) ".conf"))
-         (file (string-append "gnu/packages/" name)))
-    (search-path %load-path file)))
+         (file (string-append "linux-libre/" name)))
+    (search-auxiliary-file file)))
 
 (define %default-extra-linux-options
   `(;; https://lists.gnu.org/archive/html/guix-devel/2014-04/msg00039.html