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diff --git a/Build/source/libs/mpfr/mpfr-src/src/mpfr-cvers.h b/Build/source/libs/mpfr/mpfr-src/src/mpfr-cvers.h
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+++ b/Build/source/libs/mpfr/mpfr-src/src/mpfr-cvers.h
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+/* Utilities for MPFR developers, not exported.
+
+Copyright 1999-2017 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_CVERS_H__
+#define __MPFR_CVERS_H__
+
+/* Macros to detect STDC, ICC, GCC, and GLIBC versions */
+#if defined(__STDC_VERSION__)
+# define __MPFR_STDC(version) (__STDC_VERSION__ >= (version))
+#else
+# define __MPFR_STDC(version) 0
+#endif
+
+#if defined(_WIN32)
+/* Under MS Windows (e.g. with VS2008 or VS2010), Intel's compiler doesn't
+ support/enable extensions like the ones seen under GNU/Linux.
+ https://sympa.inria.fr/sympa/arc/mpfr/2011-02/msg00032.html */
+# define __MPFR_ICC(a,b,c) 0
+#elif defined(__ICC)
+# define __MPFR_ICC(a,b,c) (__ICC >= (a)*100+(b)*10+(c))
+#elif defined(__INTEL_COMPILER)
+# define __MPFR_ICC(a,b,c) (__INTEL_COMPILER >= (a)*100+(b)*10+(c))
+#else
+# define __MPFR_ICC(a,b,c) 0
+#endif
+
+#define __MPFR_MAJMIN(a,i) (((a) << 8) | (i))
+
+#if defined(__GNUC__) && defined(__GNUC_MINOR__) && ! __MPFR_ICC(0,0,0)
+# define __MPFR_GNUC(a,i) \
+ (__MPFR_MAJMIN(__GNUC__,__GNUC_MINOR__) >= __MPFR_MAJMIN(a,i))
+#else
+# define __MPFR_GNUC(a,i) 0
+#endif
+
+#if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
+# define __MPFR_GLIBC(a,i) \
+ (__MPFR_MAJMIN(__GLIBC__,__GLIBC_MINOR__) >= __MPFR_MAJMIN(a,i))
+#else
+# define __MPFR_GLIBC(a,i) 0
+#endif
+
+#endif