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[bison.git] / README

diff --git a/README b/README
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 This directory contains the Bison parser generator.
 
-See the file INSTALL for compilation and installation instructions.
+See the file INSTALL for generic compilation and installation instructions.
+See the file doc/FAQ for frequently asked questions.
 
-It was once true that, when installing Bison on Sequent (or Pyramid?)
-systems, you had to be in the Berkeley universe.  This may no longer
-be true; we have no way to tell.
+Bison requires GNU m4 1.4 or later.  Vanilla GNU m4 1.4 has some
+serious bugs, so we recommend using m4 1.4 as patched by the standard
+GNU/Linux distributions.  If you're building GNU m4 1.4 from scratch
+we suggest using this version:
 
-On VMS, you will probably have to create Makefile from Makefile.in by
-hand.  Remember to do `SET COMMAND BISON' to install the data in
-`BISON.CLD'.
+ftp://ftp.gnu.org/gnu/m4/m4-1.4.2.tar.gz
 
-Send bug reports to bug-gnu-utils@prep.ai.mit.edu.  Please include the
-version number from `bison --version', and a complete, self-contained
-test case in each bug report.
+Older versions of Sun Forte Developer 6 update 2 have a compiler bug
+that cause "make check" to fail with a "Encounter BINCL entry"
+diagnostic.  To fix the bug, update to the latest set of Solaris and
+Forte patches recommended by Sun.
+
+VMS and MS-DOS builds are probably broken right now.  If you are able
+to build Bison on either platform and you need to make changes to do
+so, please submit those changes as a bug report.  On VMS, you will
+probably have to create Makefile from Makefile.in by hand.  Remember
+to do `SET COMMAND BISON' to install the data in `BISON.CLD'.
+
+Send bug reports to <bug-bison@gnu.org>.  Please include the version
+number from `bison --version', and a complete, self-contained test
+case in each bug report.
+
+If you have questions about using Bison which the documentation does
+not answer, send mail to <help-bison@gnu.org>.
+
+-----
+
+Copyright (C) 1992, 1998, 1999, 2003, 2004 Free Software Foundation, Inc.
+
+This file is part of Bison, the GNU Compiler Compiler.
+
+Bison 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.
+
+Bison 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.
+
+You should have received a copy of the GNU General Public License
+along with autoconf; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.