$NetBSD: patch-Makefile,v 1.2 2017/07/04 22:35:03 alnsn Exp $

--- Makefile.orig	2017-06-22 19:39:05.000000000 +0000
+++ Makefile
@@ -3,15 +3,15 @@
 DESTDIR ?= 
 
 # Default prefix
-PREFIX  ?= /usr/local
+#Â#PREFIX  ?= /usr/local
 
 # System's lua directory (where Lua libraries are installed)
-LUA_DIR ?= $(PREFIX)/share/lua/5.1
+LUA_DIR ?= $(DESTDIR)$(PREFIX)/$(LUA_LDIR)
 
 PKGPATH=-e "package.path='src/?.lua;'..package.path"
 
 # Lua interpreter
-LUA=lua
+LUA=${LUA_INTERPRETER}
 
 install:
 	mkdir -p $(DESTDIR)$(LUA_DIR)/copas