$OpenBSD: patch-coders_png_c,v 1.8 2011/07/06 22:43:00 kili Exp $
--- coders/png.c.orig	Fri Dec 24 19:00:33 2010
+++ coders/png.c	Sat Jan  1 23:06:23 2011
@@ -1786,7 +1786,7 @@ static Image *ReadOnePNGImage(MngInfo *mng_info,
 
 #if (PNG_LIBPNG_VER < 10400)
 #  if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \
-   (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__)
+   (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(PNG_MMX_CODE_SUPPORTED)
   /* Disable thread-unsafe features of pnggccrd */
   if (png_access_version_number() >= 10200)
   {