diff --git a/mingw-w64-ilmbase/ilmbase-2.1.0_obsolete-macros.patch b/mingw-w64-ilmbase/ilmbase-2.1.0_obsolete-macros.patch
new file mode 100644
index 0000000000..8140b914ab
--- /dev/null
+++ b/mingw-w64-ilmbase/ilmbase-2.1.0_obsolete-macros.patch
@@ -0,0 +1,21 @@
+diff -rupN ilmbase-2.1.0/configure.ac ilmbase-2.1.0-new/configure.ac
+--- ilmbase-2.1.0/configure.ac	2013-11-12 00:09:51.000000000 +0100
++++ ilmbase-2.1.0-new/configure.ac	2014-01-13 16:32:49.754639829 +0100
+@@ -10,7 +10,7 @@ AC_SUBST(ILMBASE_VERSION_API, ${ILMBASE_
+ 
+ AC_CANONICAL_HOST
+ AC_CONFIG_SRCDIR(ImathTest/main.cpp)
+-AM_CONFIG_HEADER(config/IlmBaseConfig.h)
++AC_CONFIG_HEADERS(config/IlmBaseConfig.h)
+ AM_INIT_AUTOMAKE(1.6.3)  dnl Require automake 1.6.3 or better
+ AM_MAINTAINER_MODE
+ 
+@@ -26,7 +26,7 @@ AC_PROG_CXX
+ AC_PROG_INSTALL
+ AC_PROG_CC
+ AC_PROG_LN_S
+-AC_PROG_LIBTOOL
++LT_INIT
+ AC_PROG_MAKE_SET
+ 
+ dnl