commit 6fc0b2732f836e5511a5164dc3f78e79c2d3ee4d
Author: Andreas Sturmlechner <andreas.sturmlechner@gmail.com>
Date:   Tue Mar 8 22:55:40 2016 +0100

    Make Qt Multimedia optional

diff --git a/CMakeLists.txt b/CMakeLists.txt
index eeaa6c4..c8f23f7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -180,13 +180,13 @@ SET(CMAKE_AUTOMOC_RELAXED_MODE FALSE)
 FIND_PACKAGE(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS
     Concurrent
     Core
-    Multimedia
     Widgets
 )
 
 # Qt Multimedia support
 OPTION(WITH_QT_AUDIO "enable playback via Qt Multimedia [default=on]" ON)
 IF (WITH_QT_AUDIO)
+    FIND_PACKAGE(Qt5Multimedia ${QT_MIN_VERSION} CONFIG REQUIRED)
     SET(HAVE_QT_AUDIO_SUPPORT on)
 ENDIF (WITH_QT_AUDIO)