Import of 2003-06-08 libbitset <http://mail.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>

lib/libiberty.h

@@ -1,58 +1,12 @@
-/* Fake libiberty.h for Bison.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+/* Dummy libiberty header file.  */
 
-   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 2, or (at your option)
-   any later version.
+#define PARAMS(X) X
 
-   This program 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.
+#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
 
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+#define xmalloc malloc
+#define xcalloc calloc
+#define xrealloc realloc
 
+#define xalloc_die()
 
-/* Bison depends on libiberty's implementation of bitsets, which
-   requires a `libiberty.h' file.  This file provides the minimum
-   services.  */
-
-#ifndef BISON_LIBIBERTY_H_
-# define BISON_LIBIBERTY_H_ 1
-
-# if HAVE_CONFIG_H
-#  include <config.h>
-# endif
-# include <stdlib.h>
-
-/* This file is the public interface to the bitset abstract data type.
-   Only use the functions and macros defined in this file.  */
-
-# ifndef PARAMS
-#  if defined PROTOTYPES || (defined __STDC__ && __STDC__)
-#   define PARAMS(Args) Args
-#  else
-#   define PARAMS(Args) ()
-#  endif
-# endif
-
-# ifndef __attribute__
-#  if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__
-#   define __attribute__(x)
-#  endif
-# endif
-
-# ifndef ATTRIBUTE_NORETURN
-#  define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
-# endif
-
-# ifndef ATTRIBUTE_UNUSED
-#  define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
-# endif
-
-# include "xalloc.h"
-
-#endif /* ! BISON_LIBIBERTY_H_ */