From 8b821d0e00058144c577ef1c9c90c7d246e4ef13 Mon Sep 17 00:00:00 2001
From: nhmall <nhmall@nethack.org>
Date: Sat, 9 Dec 2023 12:11:27 -0500
Subject: [PATCH] follow-up for Lua mirror target

Use a variable
---
 sys/unix/Makefile.top | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sys/unix/Makefile.top b/sys/unix/Makefile.top
index ac03adfa3..7155dc8f9 100644
--- a/sys/unix/Makefile.top
+++ b/sys/unix/Makefile.top
@@ -311,9 +311,10 @@ dofiles-nodlb:
 # This is not part of the dependency build hierarchy.
 # It requires an explicit "make fetch-Lua".
 
-LUA_URL=www.lua.org/ftp
+LUA_URL :=www.lua.org/ftp
+LUA_URL_MIRROR :=www.tecgraf.puc-rio.br/lua/mirror/ftp
 
-fetch-lua-mirror: LUA_URL :=www.tecgraf.puc-rio.br/lua/mirror/ftp
+fetch-lua-mirror: LUA_URL :=$(LUA_URL_MIRROR)
 fetch-lua-mirror: fetch-Lua
 	@true