--- configure.ac.orig	2008-05-06 10:41:53.000000000 +0200
+++ configure.ac	2008-05-06 10:42:19.000000000 +0200
@@ -10,6 +10,8 @@
 
 AC_INIT(src/thread.cpp)
 
+m4_pattern_allow([^LT_VERSION$])
+
 VERSION="1.6.1"
 LT_RELEASE="1.6"
 LT_VERSION="0:1"