diff -rupN openexr-2.1.0/IlmImf/ImfSystemSpecific.h openexr-2.1.0-new/IlmImf/ImfSystemSpecific.h
--- openexr-2.1.0/IlmImf/ImfSystemSpecific.h	2013-10-21 21:02:22.000000000 +0200
+++ openexr-2.1.0-new/IlmImf/ImfSystemSpecific.h	2013-12-27 01:57:30.936052388 +0100
@@ -60,8 +60,7 @@ static bool GLOBAL_SYSTEM_LITTLE_ENDIAN
 
 static void* EXRAllocAligned(size_t size, size_t alignment)
 {
-    void* ptr = 0;
-    posix_memalign(&ptr, alignment, size);
+    void* ptr = _aligned_malloc(alignment, size);
     return ptr;
 }