diff -ur xslt.org/libxslt/win32config.h xslt/libxslt/win32config.h
--- misc/xslt/libxslt/win32config.h	2015-07-04 22:36:52.522061462 +0200
+++ misc/xslt/libxslt/win32config.h	2015-07-04 22:37:33.023064181 +0200
@@ -79,7 +79,9 @@
 #include <direct.h>
 #if defined(_MSC_VER) || defined(__MINGW32__)
 #define mkdir(p,m) _mkdir(p)
+#if _MSC_VER < 1900
 #define snprintf _snprintf
+#endif
 #if _MSC_VER < 1500
 #define vsnprintf(b,c,f,a) _vsnprintf(b,c,f,a)
 #endif