Ticket #46621: Portfile-lua-compat.diff

Portfile

@@ -6 +6 @@
 name                lua
 conflicts           lua50
 version             5.3.1
-revision            2
+revision            3
 categories          lang
 license             MIT
 platforms           darwin
@@ -40 +40 @@
 
 set branch          [join [lrange [split ${version} .] 0 1] .]
 
+build.env           -DLUA_COMPAT_5_2
+
 depends_lib         port:readline
 build.target        macosx