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diff --git a/src/include/libdecnumber/dpd/decimal128Local.h b/src/include/libdecnumber/dpd/decimal128Local.h
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+/* Local definitions for use with the decNumber C Library.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ This file is part of GCC.
+
+ GCC is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2, or (at your option) any later
+ version.
+
+ In addition to the permissions in the GNU General Public License,
+ the Free Software Foundation gives you unlimited permission to link
+ the compiled version of this file into combinations with other
+ programs, and to distribute those combinations without any
+ restriction coming from the use of this file. (The General Public
+ License restrictions do apply in other respects; for example, they
+ cover modification of the file, and distribution when not linked
+ into a combine executable.)
+
+ GCC 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 General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GCC; see the file COPYING. If not, write to the Free
+ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+#if !defined(DECIMAL128LOCAL)
+
+/* The compiler needs sign manipulation functions for decimal128 which
+ are not part of the decNumber package. */
+
+/* Set sign; this assumes the sign was previously zero. */
+#define decimal128SetSign(d,b) \
+ { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] |= ((unsigned) (b) << 7); }
+
+/* Clear sign. */
+#define decimal128ClearSign(d) \
+ { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] &= ~0x80; }
+
+/* Flip sign. */
+#define decimal128FlipSign(d) \
+ { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] ^= 0x80; }
+
+#endif
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