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diff --git a/REORG.TODO/sysdeps/ia64/fpu/lgamma-compat.h b/REORG.TODO/sysdeps/ia64/fpu/lgamma-compat.h
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+++ b/REORG.TODO/sysdeps/ia64/fpu/lgamma-compat.h
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+/* ABI compatibility for lgamma functions.  ia64 version.
+   Copyright (C) 2015-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C 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 2.1 of the License, or (at your option) any later version.
+
+   The GNU C 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 C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef IA64_LGAMMA_COMPAT_H
+#define IA64_LGAMMA_COMPAT_H 1
+
+#include <math/lgamma-compat.h>
+
+#undef LGFUNC
+#if USE_AS_COMPAT
+# define LGFUNC(FUNC) __ ## FUNC ## _compat
+#else
+# define LGFUNC(FUNC) __ieee754_ ## FUNC
+#endif
+
+#undef CALL_LGAMMA
+#define CALL_LGAMMA(TYPE, FUNC, ARG)				\
+  ({								\
+    TYPE lgamma_tmp;						\
+    extern int __signgam, signgam;				\
+    lgamma_tmp = FUNC ((ARG), &__signgam, sizeof (__signgam));	\
+    if (USE_AS_COMPAT)						\
+      signgam = __signgam;					\
+    lgamma_tmp;							\
+  })
+
+#endif /* lgamma-compat.h.  */