From f914963e47baa70ea931c04b7ca348884a41786e Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Wed, 29 Jan 2014 23:42:36 +0100
Subject: gnu: linux-libre: Build virtio modules.

* gnu/packages/linux.scm (linux-libre): Build modules matching
  CONFIG.*VIRTIO.
---
 gnu/packages/linux.scm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index b79318f23a..8fe91b4e9f 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -163,7 +163,11 @@
                       (format #t "enabling additional modules...~%")
                       (substitute* ".config"
                         (("^# CONFIG_CIFS.*$")
-                         "CONFIG_CIFS=m\n"))
+                         "CONFIG_CIFS=m\n")
+                        (("^# CONFIG_([[:graph:]]*)VIRTIO([[:graph:]]*) .*$"
+                          _ before after)
+                         (string-append "CONFIG_" before "VIRTIO"
+                                        after "=m\n")))
                       (zero? (system* "make" "oldconfig")))
 
                     ;; Call the default `build' phase so `-j' is correctly
-- 
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