diff -Naur lua-compat-5.2/c-api/compat-5.2.h lua-compat-5.2-patched/c-api/compat-5.2.h
--- lua-compat-5.2/c-api/compat-5.2.h	2015-02-19 09:23:42.000000000 +1100
+++ lua-compat-5.2-patched/c-api/compat-5.2.h	2019-06-17 17:58:13.585361793 +1000
@@ -146,8 +146,10 @@
 #define lua_pushglobaltable(L) \
   lua_pushvalue(L, LUA_GLOBALSINDEX)
 
+#if !defined(luaL_newlib)
 #define luaL_newlib(L, l) \
   (lua_newtable((L)),luaL_setfuncs((L), (l), 0))
+#endif
 
 void luaL_checkversion (lua_State *L);