From c860d6ef235b47ec8181fbf390e0b42fbc95dcfe Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Tue, 27 Jun 2017 09:51:33 +0200
Subject: gnu: xfce: Build union instead of propagating inputs.

* gnu/packages/xfce.scm (xfce)[propagated-inputs]: Move all...
[inputs]: ...here.
[arguments]: Build a union.
---
 gnu/packages/xfce.scm | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/xfce.scm b/gnu/packages/xfce.scm
index d7d1372dd2..d54b7f6401 100644
--- a/gnu/packages/xfce.scm
+++ b/gnu/packages/xfce.scm
@@ -698,8 +698,17 @@ on your desktop.")
     (version (package-version xfce4-session))
     (source #f)
     (build-system trivial-build-system)
-    (arguments '(#:builder (mkdir %output)))
-    (propagated-inputs
+    (arguments
+     '(#:modules ((guix build union))
+       #:builder
+       (begin
+         (use-modules (ice-9 match)
+                      (guix build union))
+         (match %build-inputs
+           (((names . directories) ...)
+            (union-build (assoc-ref %outputs "out")
+                         directories))))))
+    (inputs
      `(("exo"                  ,exo)
        ("garcon"               ,garcon)
        ("gnome-icon-theme"     ,gnome-icon-theme)
-- 
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