BUG: fix for bug # 3954 glib with qt

Modules/FindQt4.cmake

@@ -1157,7 +1157,15 @@ IF (QT4_QMAKE_FOUND)
     SET(QT_CORE_LIB_DEPENDENCIES ${QT_CORE_LIB_DEPENDENCIES} ${QT_ZLIB_LIBRARY})
     MARK_AS_ADVANCED(QT_ZLIB_LIBRARY)
   ENDIF(QT_QCONFIG MATCHES "system-zlib")
-
+  ## glib
+  IF(QT_QCONFIG MATCHES "glib")
+    # Qt less than Qt 4.2.0 doesn't use glib
+    # Qt 4.2.0 uses glib-2.0 (wish we could ask Qt that)
+    FIND_LIBRARY(QT_GLIB_LIBRARY NAMES glib-2.0)
+    SET(QT_CORE_LIB_DEPENDENCIES ${QT_CORE_LIB_DEPENDENCIES} ${QT_GLIB_LIBRARY})
+    MARK_AS_ADVANCED(QT_GLIB_LIBRARY)
+  ENDIF(QT_QCONFIG MATCHES "glib")
+ 
   IF(Q_WS_X11)
     # X11 libraries Qt absolutely depends on
     QT_QUERY_QMAKE(QT_LIBS_X11 "QMAKE_LIBS_X11")