--- openexr-2.0.0/configure.ac.orig	2013-03-14 17:57:54.000000000 +0100
+++ openexr-2.0.0/configure.ac	2013-03-27 21:40:10.626909806 +0100
@@ -11,7 +11,7 @@
 
 AC_CANONICAL_HOST
 AC_CONFIG_SRCDIR(IlmImfTest/main.cpp)
-AM_CONFIG_HEADER(config/OpenEXRConfig.h)
+AC_CONFIG_HEADERS(config/OpenEXRConfig.h)
 AM_INIT_AUTOMAKE(1.6.3)  dnl Require automake 1.6.3 or better
 AM_MAINTAINER_MODE