diff -ur lualdap-1.1.0.orig/src/lualdap.c lualdap-1.1.0/src/lualdap.c
--- lualdap-1.1.0.orig/src/lualdap.c	2007-12-15 01:11:22.000000000 +1000
+++ lualdap-1.1.0/src/lualdap.c	2014-06-05 15:34:22.657478715 +1000
@@ -25,6 +25,12 @@
 #include "compat-5.1.h"
 #endif
 
+#ifndef luaL_getn
+// Lua 5.1 converted this to a macro, 5.2 dropped it entirely...
+// This is the definition from 5.1
+#define luaL_getn(L,i) ((int)lua_objlen(L, i))
+#endif
+
 #ifdef WINLDAPAPI
 #define timeval l_timeval
 typedef ULONG ldap_int_t;
@@ -872,7 +878,7 @@
 ** Create a metatable.
 */
 static int lualdap_createmeta (lua_State *L) {
-	const luaL_reg methods[] = {
+	const luaL_Reg methods[] = {
 		{"close", lualdap_close},
 		{"add", lualdap_add},
 		{"compare", lualdap_compare},
@@ -987,7 +993,7 @@
 ** Create ldap table and register the open method.
 */
 int luaopen_lualdap (lua_State *L) {
-	struct luaL_reg lualdap[] = {
+	struct luaL_Reg lualdap[] = {
 		{"open_simple", lualdap_open_simple},
 		{NULL, NULL},
 	};