diff -up lualdap-1.1.0/src/lualdap.c.lua54 lualdap-1.1.0/src/lualdap.c
--- lualdap-1.1.0/src/lualdap.c.lua54	2020-06-30 12:11:15.121638941 -0400
+++ lualdap-1.1.0/src/lualdap.c	2020-06-30 12:10:53.802986642 -0400
@@ -31,6 +31,18 @@
 #define luaL_getn(L,i) ((int)lua_objlen(L, i))
 #endif
 
+#ifndef luaL_openlib
+#define luaL_openlib(L,n,l,nup) luaL_setfuncs((L),(l),(nup))
+#endif
+
+#ifndef lua_objlen
+#define lua_objlen lua_rawlen
+#endif
+
+#ifndef lua_strlen
+#define lua_strlen lua_rawlen
+#endif
+
 #ifdef WINLDAPAPI
 #define timeval l_timeval
 typedef ULONG ldap_int_t;
diff -up lualdap-1.1.0/tests/test.lua.lua54 lualdap-1.1.0/tests/test.lua
--- lualdap-1.1.0/tests/test.lua.lua54	2020-06-30 12:32:41.719651337 -0400
+++ lualdap-1.1.0/tests/test.lua	2020-06-30 12:32:58.663374792 -0400
@@ -387,7 +387,7 @@ BASE = arg[2]
 WHO = arg[3]
 PASSWORD = arg[4]
 
-require"lualdap"
+lualdap = require "lualdap"
 assert (type(lualdap)=="table", "couldn't load LDAP library")
 
 for i = 1, #tests do