diff -Naupr auth-ldap-2.0.3.orig/aclocal.m4 auth-ldap-2.0.3/aclocal.m4
--- auth-ldap-2.0.3.orig/aclocal.m4	2006-09-12 22:44:13.000000000 +0200
+++ auth-ldap-2.0.3/aclocal.m4	2012-02-08 19:35:42.314356627 +0100
@@ -129,7 +129,7 @@ AC_DEFUN([OD_OBJC_RUNTIME],[
 			AC_LINK_IFELSE([
 					AC_LANG_PROGRAM([
 							#include <objc/objc.h>
-							#include <objc/objc-api.h>
+							#include <objc/runtime.h>
 						], [
 							id class = objc_lookUpClass("Object");
 							id obj = @<:@class alloc@:>@;
@@ -156,7 +156,7 @@ AC_DEFUN([OD_OBJC_RUNTIME],[
 			AC_LINK_IFELSE([
 					AC_LANG_PROGRAM([
 							#include <objc/objc.h>
-							#include <objc/objc-api.h>
+							#include <objc/runtime.h>
 						], [
 							id class = objc_lookup_class("Object");
 							id obj = @<:@class alloc@:>@;
diff -Naupr auth-ldap-2.0.3.orig/configure auth-ldap-2.0.3/configure
--- auth-ldap-2.0.3.orig/configure	2007-03-22 21:32:56.000000000 +0100
+++ auth-ldap-2.0.3/configure	2012-02-08 19:35:57.338231240 +0100
@@ -6367,7 +6367,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 							#include <objc/objc.h>
-							#include <objc/objc-api.h>
+							#include <objc/runtime.h>
 
 int
 main ()
@@ -6459,7 +6459,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 							#include <objc/objc.h>
-							#include <objc/objc-api.h>
+							#include <objc/runtime.h>
 
 int
 main ()