GDB 7.6.50

gdb/gnulib/import/isnand-nolibm.h

Index: gdb/gnulib/import/isnand-nolibm.h
diff --git a/gdb/gdbserver/wincecompat.h b/gdb/gnulib/import/isnand-nolibm.h
similarity index 55%
copy from gdb/gdbserver/wincecompat.h
copy to gdb/gnulib/import/isnand-nolibm.h
index 631a95acda7357464bc6dcae2363ac327c2631d5..56fb27094c0949b56f9b21c7f4b63db3a62f9069 100644
--- a/gdb/gdbserver/wincecompat.h
+++ b/gdb/gnulib/import/isnand-nolibm.h
@@ -1,9 +1,7 @@
-/* Compatibility routines for Windows CE.
+/* Test for NaN that does not need libm.
    Copyright (C) 2007-2012 Free Software Foundation, Inc.
 
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
+   This program 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 3 of the License, or
    (at your option) any later version.
@@ -16,15 +14,20 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#ifndef WINCECOMPAT_H
-#define WINCECOMPAT_H
-
-#include <windows.h>
-
-#define errno (GetLastError ())
-
-/* in win32-low.c */
-extern char * strwinerror (DWORD error);
-#define strerror strwinerror
-
+#if HAVE_ISNAND_IN_LIBC
+/* Get declaration of isnan macro.  */
+# include <math.h>
+# if __GNUC__ >= 4
+   /* GCC 4.0 and newer provides three built-ins for isnan.  */
+#  undef isnand
+#  define isnand(x) __builtin_isnan ((double)(x))
+# else
+#  undef isnand
+#  define isnand(x) isnan ((double)(x))
+# endif
+#else
+/* Test whether X is a NaN.  */
+# undef isnand
+# define isnand rpl_isnand
+extern int isnand (double x);
 #endif