Index: /trunk/src/VBox/GuestHost/OpenGL/Makefile.kmk
===================================================================
--- /trunk/src/VBox/GuestHost/OpenGL/Makefile.kmk	(revision 45381)
+++ /trunk/src/VBox/GuestHost/OpenGL/Makefile.kmk	(revision 45382)
@@ -28,4 +28,10 @@
 
 ifdef VBOX_WITH_ADDITIONS
+ ifn1of ($(KBUILD_TARGET), darwin os2)
+  VBOX_WITH_CROGL_ADDITIONS = 1
+ endif
+endif
+
+ifdef VBOX_WITH_CROGL_ADDITIONS
  DLLS      += VBoxOGLcrutil VBoxOGLerrorspu
  LIBRARIES += VBoxOGLcrpacker VBoxOGLspuload VBoxOGLcrstate
@@ -107,5 +113,5 @@
 VBoxOGLhostcrutil_pixel.c_CFLAGS.win.x86 += -Od
 
-if defined(VBOX_WITH_WDDM) && defined(VBOX_WITH_ADDITIONS)
+if defined(VBOX_WITH_WDDM) && defined(VBOX_WITH_CROGL_ADDITIONS)
 #
 # VBoxOGLcrutil-x86 - x86 VBoxOGLcrutil version built for amd64 build
@@ -262,5 +268,5 @@
 endif
 
-if defined(VBOX_WITH_WDDM) && defined(VBOX_WITH_ADDITIONS)
+if defined(VBOX_WITH_WDDM) && defined(VBOX_WITH_CROGL_ADDITIONS)
 #
 # VBoxOGLcrpacker-x86 - x86 VBoxOGLcrpacker version built for amd64 build
@@ -346,5 +352,5 @@
 endif
 
-if defined(VBOX_WITH_WDDM) && defined(VBOX_WITH_ADDITIONS)
+if defined(VBOX_WITH_WDDM) && defined(VBOX_WITH_CROGL_ADDITIONS)
 #
 # VBoxOGLspuload-x86 - x86 VBoxOGLspuload version built for amd64 build
@@ -478,5 +484,5 @@
 endif
 
-if defined(VBOX_WITH_WDDM) && defined(VBOX_WITH_ADDITIONS)
+if defined(VBOX_WITH_WDDM) && defined(VBOX_WITH_CROGL_ADDITIONS)
 #
 # VBoxOGLcrstate-x86 - x86 VBoxOGLcrstate version built for amd64 build
@@ -603,5 +609,5 @@
 
 
-if defined(VBOX_WITH_WDDM) && defined(VBOX_WITH_ADDITIONS)
+if defined(VBOX_WITH_WDDM) && defined(VBOX_WITH_CROGL_ADDITIONS)
 #
 # VBoxOGLerrorspu-x86 - x86 VBoxOGLerrorspu version built for amd64 build