diff -rupN openexr-2.2.0/IlmImf/ImfOptimizedPixelReading.h openexr-2.2.0-new/IlmImf/ImfOptimizedPixelReading.h
--- openexr-2.2.0/IlmImf/ImfOptimizedPixelReading.h	2014-08-10 06:23:56.000000000 +0200
+++ openexr-2.2.0-new/IlmImf/ImfOptimizedPixelReading.h	2014-11-26 10:29:04.280511600 +0100
@@ -70,7 +70,7 @@ EXR_FORCEINLINE
 bool
 isPointerSSEAligned (const void* EXR_RESTRICT pPointer)
 {
-    unsigned long trailingBits = ((unsigned long)pPointer) & 15;
+    intptr_t trailingBits = ((intptr_t)pPointer) & 15;
     return trailingBits == 0;
 }