Update source files fot qt5, and update qt4 overlays.

plugins/qt4/qt4-overlay.mk

@@ -9,3 +9,9 @@ $(PKG)_QT_VERSION := 4
 PKG               := qwt
 $(PKG)_DEPS       := cc qt
 $(PKG)_QT_DIR     := qt
+
+PKG               := poppler
+$(PKG)_DEPS       := $(filter-out qtbase ,$($(PKG)_DEPS)) qt
+
+PKG               := openscenegraph
+$(PKG)_DEPS       := $(filter-out qtbase ,$($(PKG)_DEPS)) qt

src/openscenegraph.mk

@@ -12,7 +12,7 @@ $(PKG)_FILE     := OpenSceneGraph-$($(PKG)_VERSION).tar.gz
 $(PKG)_URL      := https://github.com/openscenegraph/OpenSceneGraph/archive/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc boost curl dcmtk freetype gdal giflib gstreamer \
                    gta jasper jpeg libpng openal openexr openthreads poppler \
-                   qt tiff zlib
+                   qtbase tiff zlib
 
 define $(PKG)_UPDATE
     $(WGET) -q -O- 'http://www.openscenegraph.org/index.php/download-section/stable-releases' | \