Author: František Dvořák <valtri@civ.zcu.cz>
Date:   Wed Apr 29 16:15:05 2015 +0200

    Replace obsolete macros.

diff --git a/src/classad/configure.ac b/src/classad/configure.ac
index 91eeb32..fabfb1e 100644
--- a/src/classad/configure.ac
+++ b/src/classad/configure.ac
@@ -58,7 +58,7 @@ AC_SUBST(VERSION_INFO)
 # Checks for programs.
 AC_PROG_CXX
 AC_PROG_CC
-AC_PROG_LIBTOOL
+LT_INIT
 AC_LANG([C++])
 
 # Check for compiler flags.