$OpenBSD$
--- Engine/Makefile.orig	Thu Sep 15 20:25:50 2016
+++ Engine/Makefile	Thu Oct 20 02:48:06 2016
@@ -8,6 +8,8 @@ endif
 
 ifeq ($(UNAME), Darwin)
 include Makefile-defs.osx
+else ifeq ($(UNAME), OpenBSD)
+include Makefile-defs.obsd
 else
 include Makefile-defs.linux
 endif
@@ -59,7 +61,7 @@ clean:
 
 install: ags
 	mkdir -p $(PREFIX)/bin
-	cp -t $(PREFIX)/bin ags
+	cp ags $(PREFIX)/bin
 
 uninstall:
 	rm -f $(PREFIX)/bin/ags
