--- misc/libxml2-2.7.8/uri.c	2009-10-02 17:28:55.000000000 +0200
+++ misc/build/libxml2-2.7.8/uri.c	2011-02-24 13:47:19.349299000 +0100
@@ -2479,7 +2479,16 @@
     if (path == NULL)
 	return(NULL);
 
-    /* sanitize filename starting with // so it can be used as URI */
+#if defined(_WIN32) 	
+	//We must not change the backslashes to slashes if the the path starts with
+	// \\?\
+	//Those pathes can be up to 32k characters long.
+	len = xmlStrlen(path);
+	if ((len > 3) && (path[0] == '\\') && (path[1] == '\\') && (path[2] == '?') && (path[3] == '\\') )
+		return xmlStrdup((const xmlChar *) path);
+#endif
+
+	/* sanitize filename starting with // so it can be used as URI */
     if ((path[0] == '/') && (path[1] == '/') && (path[2] != '/'))
         path++;
 
--- misc/libxml2-2.7.8/xmlIO.c	2009-09-24 17:32:00.000000000 +0200
+++ misc/build/libxml2-2.7.8/xmlIO.c	2011-02-24 13:47:26.163762000 +0100
@@ -772,6 +772,11 @@
 
 #ifdef HAVE_STAT
 #if defined(_WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)
+	//On Windows stat and wstat do not work with long pathname, 
+	//which start with '\\?\'
+	if ((xmlStrlen(path) > 3) && (path[0] == '\\') && (path[1] == '\\') && (path[2] == '?') && (path[3] == '\\') )
+		return 1;
+
     if (xmlWrapStat(path, &stat_buffer) == -1)
         return 0;
 #else
--- misc/libxml2-2.7.8/win32/Makefile.msvc	2010-11-04 09:58:43.000000000 -0500
+++ misc/build/libxml2-2.7.8/win32/Makefile.msvc	2012-12-21 01:07:45.000000000 -0500
@@ -71,9 +71,9 @@
 !if "$(WITH_ICONV)" == "1"
 LIBS = $(LIBS) iconv.lib
 !endif 
-+!if "$(WITH_ICU)" == "1"
-+LIBS = $(LIBS) icu.lib
-+!endif
+!if "$(WITH_ICU)" == "1"
+LIBS = $(LIBS) icu.lib
+!endif
 !if "$(WITH_ZLIB)" == "1"
 LIBS = $(LIBS) zdll.lib
 !endif