hurd: disable hp timing

We don't have support for hp timing for now, even the i686 variant, which needs
to know the CPU speed.
Copied from sysdeps/generic/hp-timing.h

	* sysdeps/mach/hurd/hp-timing.h: New file.

ChangeLog

@@ -28,6 +28,7 @@
 	[!defined NDEBUG] (__assert_fail): Define to __malloc_assert.
 	* bits/fcntl.h: Fix comment for FREAD and FWRITE.
 	* sysdeps/mach/hurd/bits/fcntl.h: Likewise.
+	* sysdeps/mach/hurd/hp-timing.h: New file.
 
 2018-01-29  Darius Rad  <darius@bluespec.com>
 

sysdeps/mach/hurd/hp-timing.h

@@ -0,0 +1,38 @@
+/* High precision, low overhead timing functions.  Generic version.
+   Copyright (C) 1998-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+   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 _HP_TIMING_H
+#define _HP_TIMING_H	1
+
+/* We don't have support for high precision timing for now. */
+
+/* Provide dummy definitions.  */
+#define HP_TIMING_AVAIL		(0)
+#define HP_SMALL_TIMING_AVAIL	(0)
+#define HP_TIMING_INLINE	(0)
+typedef int hp_timing_t;
+#define HP_TIMING_NOW(var)
+#define HP_TIMING_DIFF(Diff, Start, End)
+#define HP_TIMING_ACCUM_NT(Sum, Diff)
+#define HP_TIMING_PRINT(Buf, Len, Val)
+
+/* Since this implementation is not available we tell the user about it.  */
+#define HP_TIMING_NONAVAIL	1
+
+#endif	/* hp-timing.h */