$OpenBSD: patch-vcl_Library_vclplug_kde4_mk,v 1.3 2018/08/18 07:07:17 robert Exp $
Index: vcl/Library_vclplug_kde4.mk
--- vcl/Library_vclplug_kde4.mk.orig
+++ vcl/Library_vclplug_kde4.mk
@@ -24,6 +24,7 @@ $(eval $(call gb_Library_use_custom_headers,vclplug_kd
 $(eval $(call gb_Library_set_include,vclplug_kde4,\
     $$(INCLUDE) \
     -I$(SRCDIR)/vcl/inc \
+    -I/usr/X11R6/include \
 ))
 
 $(eval $(call gb_Library_add_defs,vclplug_kde4,\
@@ -88,10 +89,10 @@ $(eval $(call gb_Library_add_exception_objects,vclplug
     vcl/unx/kde4/VCLKDEApplication \
 ))
 
-ifeq ($(OS),LINUX)
+ifneq (,$(filter LINUX OPENBSD,$(OS)))
 $(eval $(call gb_Library_add_libs,vclplug_kde4,\
 	-lm \
-	-ldl \
+	$(if $(filter LINUX,$(OS)),-ldl) \
 	-lpthread \
 ))
 endif
