$OpenBSD: patch-vcl_Executable_mtfdemo_mk,v 1.1 2015/09/29 16:10:48 robert Exp $
--- vcl/Executable_mtfdemo.mk.orig.port	Tue Sep 29 17:26:51 2015
+++ vcl/Executable_mtfdemo.mk	Tue Sep 29 17:26:56 2015
@@ -40,10 +40,9 @@ $(eval $(call gb_Executable_use_static_libraries,mtfde
     vclmain \
 ))
 
-ifeq ($(OS),LINUX)
+ifeq ($(OS),OPENBSD)
 $(eval $(call gb_Executable_add_libs,mtfdemo,\
 	-lm \
-	-ldl \
 	-lpthread \
     -lGL \
     -lX11 \
