$OpenBSD: patch-vcl_Executable_visualbackendtest_mk,v 1.1 2020/02/05 19:58:10 robert Exp $

Index: vcl/Executable_visualbackendtest.mk
--- vcl/Executable_visualbackendtest.mk.orig
+++ vcl/Executable_visualbackendtest.mk
@@ -41,12 +41,17 @@ $(eval $(call gb_Executable_use_static_libraries,visua
     vclmain \
 ))
 
-ifeq ($(OS),LINUX)
+ifneq (,$(filter LINUX OPENBSD,$(OS)))
 $(eval $(call gb_Executable_add_libs,visualbackendtest,\
 	-lm \
+	-lX11 \
+))
+
+ifeq ($(OS),LINUX)
+$(eval $(call gb_Executable_add_libs,visualbackendtest,\
 	-ldl \
-    -lX11 \
 ))
+endif
 
 $(eval $(call gb_Executable_use_static_libraries,visualbackendtest,\
 	glxtest \
