+/* Copyright (C) 1992-2020 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 3, or (at your option) any later
+version.
+
+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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
/* This administrivia gets added to the beginning of limits.h
if the system has its own version of limits.h. */
-#ifndef _LIMITS_H_ /* Terminated in limity.h. */
-#define _LIMITS_H_
-
-#include_next <limits.h>
+/* We use _GCC_LIMITS_H_ because we want this not to match
+ any macros that the system's limits.h uses for its own purposes. */
+#ifndef _GCC_LIMITS_H_ /* Terminated in limity.h. */
+#define _GCC_LIMITS_H_
+#ifndef _LIBC_LIMITS_H_
+/* Use "..." so that we find syslimits.h only in this same directory. */
+#include "syslimits.h"
+#endif