* README: Mention GNU m4 1.4 bugs and Akim's patched version.

[bison.git] / README

diff --git a/README b/README
index 8d2153be3d5e673a354cb6b9530d03d12a10624a..75dcf6b543629c210bd4c239fec256b1518c86be 100644 (file)
--- a/README
+++ b/README
@@ -1,8 +1,15 @@
 This directory contains the Bison parser generator.
 
 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.
 
 See the file doc/FAQ for frequently asked questions.
 

+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:
+
+http://www.lrde.epita.fr/~akim/download/m4-1.4.tar.gz
+

 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
 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


@@ -23,7 +30,7 @@ not answer, send mail to <help-bison@gnu.org>.
 
 -----
 
 
 -----
 

-Copyright (C) 1992, 1998, 1999, 2003 Free Software Foundation, Inc.
+Copyright (C) 1992, 1998, 1999, 2003, 2004 Free Software Foundation, Inc.

 
 This file is part of Bison, the GNU Compiler Compiler.
 
 
 This file is part of Bison, the GNU Compiler Compiler.