diff --git a/config/has_mpfr_class.cpp b/config/has_mpfr_class.cpp
new file mode 100644
index 0000000..376b022
--- /dev/null
+++ b/config/has_mpfr_class.cpp
@@ -0,0 +1,15 @@
+//  Copyright John Maddock 2008.
+//  Copyright Paul A. Britow 2009
+//  Use, modification and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifdef _MSC_VER
+#  pragma warning (disable : 4127) // conditional expression is constant
+#  pragma warning (disable : 4800) // 'int' : forcing value to bool 'true' or 'false' (performance warning)
+#  pragma warning (disable : 4512) // assignment operator could not be generated
+#endif
+
+#include <cstddef>
+#include <gmpfrxx.h>
+