Removed slideshow3D from list of example apps, and rejigged makedefs handling

of the QUICK_TIME

Make/dependencies

@@ -2,7 +2,6 @@
 # Dependency library which have been installed on this system
 
 GDAL_INSTALLED = yes
-LIBXML2_INSTALLED = yes
 JASPER_INSTALLED = yes
 
 FREETYPE_INSTALLED = yes

Make/makedefs

@@ -413,15 +413,17 @@ ifeq ($(OS),Darwin)
   LIBVERSION	    = -current_version $(VERSION) \
                         -compatibility_version \
                         $(VERSION_MAJOR).$(VERSION_MINOR).0
+
   ifeq ($(DARWIN_QUICKTIME),yes)
-    QUICKTIME	    = -framework QuickTime $(CARBON_LIB)
     DEF             += -DDARWIN_QUICKTIME
-  else
-    PNG_LIBS        = -lpng -lz
-    JPEG_LIBS       = -ljpeg
-    GIF_LIBS        = -lungif
-    TIFF_LIBS       = -ltiff -lz -ljpeg
   endif
+
+  QUICKTIME	    = -framework QuickTime $(CARBON_LIB)
+  PNG_LIBS        = -lpng -lz
+  JPEG_LIBS       = -ljpeg
+  GIF_LIBS        = -lungif
+  TIFF_LIBS       = -ltiff -lz -ljpeg
+
 endif
 
 #### Cygwin/Mingw specific definitions

Make/makedirdefs

@@ -189,10 +189,6 @@ ifeq ($(LIBMPEG3_INSTALLED),yes)
     EXAMPLE_DIRS += osgmovie
 endif
 
-ifeq ($(LIBXML2_INSTALLED),yes)
-    EXAMPLE_DIRS += slideshow3D
-endif
-
 ifeq ($(DEMETER_INSTALLED),yes)
     EXAMPLE_DIRS += osgdemeter
 endif