Index: emulators/virtualbox-ose/files/patch-Config.kmk
===================================================================
--- emulators/virtualbox-ose/files/patch-Config.kmk	(revision 552422)
+++ emulators/virtualbox-ose/files/patch-Config.kmk	(working copy)
@@ -220,6 +220,15 @@
  	/usr/local/lib
   else ifeq ($(KBUILD_HOST),netbsd)
  TEMPLATE_VBoxBldProg_TOOL                = GXX3
+@@ -7008,7 +7020,7 @@
+ #
+ TEMPLATE_VBOXCROGLR3HOSTDLL                  = VBox OpenGL Host DLLs
+ TEMPLATE_VBOXCROGLR3HOSTDLL_EXTENDS         := $(if-expr "$(KBUILD_TARGET)" == "win",VBOXR3,VBOXR3NP)
+-TEMPLATE_VBOXCROGLR3HOSTDLL_EXTENDS_BY       = prepending
++TEMPLATE_VBOXCROGLR3HOSTDLL_EXTENDS_BY       = appending
+ TEMPLATE_VBOXCROGLR3HOSTDLL_DEFS             = VBOX_WITH_HGCM UNPACKS
+ TEMPLATE_VBOXCROGLR3HOSTDLL_DEFS.win         = _WIN32_WINNT=0x0500 WINDOWS=1
+ TEMPLATE_VBOXCROGLR3HOSTDLL_DEFS.linux       = Linux=1 _GNU_SOURCE
 @@ -7023,6 +7035,7 @@ TEMPLATE_VBOXCROGLR3HOSTDLL_LDFLAGS.darwin  += \
  	-current_version $(VBOX_VERSION_MAJOR).$(VBOX_VERSION_MINOR).$(VBOX_VERSION_BUILD) \
  	-compatibility_version $(VBOX_VERSION_MAJOR).$(VBOX_VERSION_MINOR).$(VBOX_VERSION_BUILD)