>From d4986401bfcb2eacd7c7f437a50ca85d752cc904 Mon Sep 17 00:00:00 2001
From: Dave Love <address@hidden>
Date: Wed, 2 Aug 2017 12:09:02 +0100
Subject: [PATCH 3/4] gnu: libnl: Add "doc" output.

* gnu/packages/linux.scm (libnl)[native-inputs, outputs]: Add doc source.
[arguments]: New field.
---
 gnu/packages/linux.scm | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index a189458ad..3902560a8 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -1463,7 +1463,30 @@ transparently through a bridge.")
                (base32
                 "1r3lw3hjvqxi5zqyq2w1qadm3gisd9nlf71dkl4yplacmssnhm3h"))))
     (build-system gnu-build-system)
-    (native-inputs `(("flex" ,flex) ("bison" ,bison)))
+    (native-inputs
+     `(("flex" ,flex) ("bison" ,bison)
+       ("libnl3-doc"
+        ,(origin
+           (method url-fetch)
+           (uri (string-append
+                 "https://github.com/thom311/libnl/releases/download/libnl"
+                 (string-join (string-split version #\.) "_")
+                 "/libnl-doc-" version ".tar.gz"))
+           (sha256
+            (base32 "0srab805yj8wb13l64qjyp3mdbqapxg5vk46v3zlhhzpmxqw8j7r"))))))
+    (outputs '("out" "doc"))
+    (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-after 'install 'install-doc
+             (lambda* (#:key inputs outputs #:allow-other-keys)
+               (let ((dest (format #f "~a/share/doc"
+                                   (assoc-ref outputs "doc"))))
+                 (mkdir-p dest)
+                 (with-directory-excursion dest
+                   (and
+                    (zero? (system* "tar" "xf" (assoc-ref inputs "libnl3-doc")))
+                    (zero? (system "mv *libnl-doc* libnl3"))))))))))
     (home-page "http://www.infradead.org/~tgr/libnl/")
     (synopsis "NetLink protocol library suite")
     (description
-- 
2.11.0