From 8aed85c40eb74224dbab0fd9863f93916c8380df Mon Sep 17 00:00:00 2001
From: Gabriel Ebner <gebner@gebner.org>
Date: Tue, 22 Sep 2015 18:45:45 +0200
Subject: [PATCH] qt5.multimedia: fix gstreamer support.
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(cherry picked from commit 449b6028a64fae427fdce4abf126825bd8aaf260)

[Bjørn: Without this, one may get runtime errors like
  defaultServiceProvider::requestService(): no service found for - "org.qt-project.qt.camera"
or
  The camera service is missing
]
---
 pkgs/development/libraries/qt-5/5.4/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/qt-5/5.4/default.nix b/pkgs/development/libraries/qt-5/5.4/default.nix
index 5862fb6708d..136c352d1aa 100644
--- a/pkgs/development/libraries/qt-5/5.4/default.nix
+++ b/pkgs/development/libraries/qt-5/5.4/default.nix
@@ -152,7 +152,7 @@ let
 
       multimedia = callPackage
         (
-          { qtSubmodule, base, declarative
+          { qtSubmodule, base, declarative, pkgconfig
           , alsaLib, gstreamer, gst_plugins_base, libpulseaudio
           }:
 
@@ -160,7 +160,7 @@ let
             name = "qtmultimedia";
             qtInputs = [ base declarative ];
             buildInputs = [
-              alsaLib gstreamer gst_plugins_base libpulseaudio
+              pkgconfig alsaLib gstreamer gst_plugins_base libpulseaudio
             ];
           }
         )