Index: /trunk/src/VBox/HostServices/SharedOpenGL/Makefile.kmk
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/Makefile.kmk	(revision 78414)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/Makefile.kmk	(revision 78415)
@@ -339,5 +339,5 @@
    if1of ($(KBUILD_TARGET), solaris linux freebsd)
     # must come after VBoxOGL2D, therefore don't set the arch-specific LIBS variable here!
-    VBoxTestOGL_LIBS += GL pthread
+    VBoxTestOGL_LIBS += GL pthread dl
    endif
   endif