fix qt libraries bundling on osx

fix #1547

cockatrice/CMakeLists.txt

@@ -281,6 +281,7 @@ if(APPLE)
     # these needs to be relative to CMAKE_INSTALL_PREFIX
     set(plugin_dest_dir cockatrice.app/Contents/Plugins)
     set(qtconf_dest_dir cockatrice.app/Contents/Resources)
+    get_filename_component(QT_LIBRARY_DIR "${QT_LIBRARY_DIR}/.." ABSOLUTE)
 
     # qt4: codecs, iconengines, imageformats
     # qt5: audio, iconengines, imageformats, platforms, printsupport

oracle/CMakeLists.txt

@@ -185,6 +185,7 @@ if(APPLE)
     # these needs to be relative to CMAKE_INSTALL_PREFIX
     set(plugin_dest_dir oracle.app/Contents/Plugins)
     set(qtconf_dest_dir oracle.app/Contents/Resources)
+    get_filename_component(QT_LIBRARY_DIR "${QT_LIBRARY_DIR}/.." ABSOLUTE)
 
     # qt4: codecs, iconengines, imageformats
     # qt5: iconengines, platforms

servatrice/CMakeLists.txt

@@ -146,6 +146,7 @@ if(APPLE)
     # these needs to be relative to CMAKE_INSTALL_PREFIX
     set(plugin_dest_dir servatrice.app/Contents/Plugins)
     set(qtconf_dest_dir servatrice.app/Contents/Resources)
+    get_filename_component(QT_LIBRARY_DIR "${QT_LIBRARY_DIR}/.." ABSOLUTE)
 
     # qt4: codecs, sqldrivers
     # qt5: platforms, sqldrivers