From 2dff34b56b6d0c6c315306ca346f063df42cda3f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Sat, 4 Apr 2020 22:53:24 -0300
Subject: [PATCH] xfce: add pos attribute in mkXfcederivation

---
 pkgs/desktops/xfce/mkXfceDerivation.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/desktops/xfce/mkXfceDerivation.nix b/pkgs/desktops/xfce/mkXfceDerivation.nix
index b7dc8322569..ed604a02824 100644
--- a/pkgs/desktops/xfce/mkXfceDerivation.nix
+++ b/pkgs/desktops/xfce/mkXfceDerivation.nix
@@ -27,6 +27,8 @@ let
     enableParallelBuilding = true;
     outputs = [ "out" "dev" ];
 
+    pos = builtins.unsafeGetAttrPos "pname" args;
+
     meta = with stdenv.lib; {
       homepage = "https://git.xfce.org/${category}/${pname}/about";
       license = licenses.gpl2; # some libraries are under LGPLv2+