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diff --git a/Build/source/libs/mpfr/mpfr-src/src/mpfr-sassert.h b/Build/source/libs/mpfr/mpfr-src/src/mpfr-sassert.h
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+/* MPFR internal header related to Static Assertions
+
+Copyright 2012-2017 Free Software Foundation, Inc.
+Contributed by the AriC and Caramba projects, INRIA.
+
+This file is part of the GNU MPFR Library.
+
+The GNU MPFR Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+The GNU MPFR Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see
+http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
+51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef __MPFR_STATIC_ASSERT_H__
+#define __MPFR_STATIC_ASSERT_H__
+
+#include "mpfr-cvers.h" /* for __MPFR_GNUC */
+
+/* How to use:
+ ===========
+ MPFR_DECL_STATIC_ASSERT:
+ + to check a condition at compile time within the declaration section.
+ MPFR_STAT_STATIC_ASSERT:
+ + to check a condition at compile time within the statement section.
+*/
+
+#ifdef MPFR_USE_STATIC_ASSERT
+
+/* C11 version */
+# if defined (__STDC_VERSION__)
+# if (__STDC_VERSION__ >= 201112L)
+# define MPFR_DECL_STATIC_ASSERT(c) _Static_assert((c), #c )
+# define MPFR_STAT_STATIC_ASSERT(c) _Static_assert((c), #c )
+# endif
+# endif
+
+/* Default version which should be compatible with nearly all compilers */
+# if !defined(MPFR_DECL_STATIC_ASSERT)
+# if __MPFR_GNUC(4,8)
+/* Get rid of annoying warnings "typedef '...' locally defined but not used"
+ (new in GCC 4.8). Thanks to Jonathan Wakely for this solution:
+ https://gcc.gnu.org/ml/gcc-help/2013-07/msg00142.html */
+# define MPFR_TYPEDEF_UNUSED __attribute__ ((unused))
+# else
+# define MPFR_TYPEDEF_UNUSED
+# endif
+# define MPFR_ASSERT_CAT(a,b) MPFR_ASSERT_CAT_(a,b)
+# define MPFR_ASSERT_CAT_(a,b) a ## b
+# define MPFR_STAT_STATIC_ASSERT(c) do { \
+ typedef enum { MPFR_ASSERT_CAT(MPFR_STATIC_ASSERT_CONST_,__LINE__) = !(c) } \
+ MPFR_ASSERT_CAT(MPFR_ASSERT_,__LINE__)[!!(c) ? 1 : -1] \
+ MPFR_TYPEDEF_UNUSED; } while (0)
+# define MPFR_DECL_STATIC_ASSERT(c) \
+ typedef enum { MPFR_ASSERT_CAT(MPFR_STATIC_ASSERT_CONST_,__LINE__) = !(c) } \
+ MPFR_ASSERT_CAT(MPFR_ASSERT_,__LINE__)[!!(c) ? 1 : -1];
+# endif
+
+#else
+
+/* No support: default to classic assertions */
+# define MPFR_DECL_STATIC_ASSERT(c) /* Nothing */
+# define MPFR_STAT_STATIC_ASSERT(c) MPFR_ASSERTN(c)
+
+#endif
+
+#endif