--- lua-5.3.5/src/luaconf.h.orig	2019-02-09 04:47:51.683095000 +0100
+++ lua-5.3.5/src/luaconf.h	2019-02-09 04:48:29.946857000 +0100
@@ -77,7 +77,7 @@
 ** C89 ('long' and 'double'); Windows always has '__int64', so it does
 ** not need to use this case.
 */
-#if defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS)
+#if (defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS)) || defined(__atarist__) || defined(__MINT__)
 #define LUA_C89_NUMBERS
 #endif