X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fbison.m4;h=91039b1ced41170eb3b8292230a834a5fc06b03b;hb=40cb8a4b045f26d638c95336c37c91e82f662bad;hp=bb69123eb389337eca5e5bb266ade2653f23bdb8;hpb=7b8d37027c59392d07473925d8f074e8c8a38f42;p=gnulib.git

diff --git a/m4/bison.m4 b/m4/bison.m4
index bb69123eb..91039b1ce 100644
--- a/m4/bison.m4
+++ b/m4/bison.m4
@@ -1,6 +1,6 @@
 #serial 4
 
-# Copyright (C) 2002 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2005 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -9,6 +9,11 @@ AC_DEFUN([gl_BISON],
 [
   # getdate.y works with bison only.
   : ${YACC='bison -y'}
+dnl
+dnl Declaring YACC & YFLAGS precious will not be necessary after GNULIB
+dnl requires an Autoconf greater than 2.59c, but it will probably still be
+dnl useful to override the description of YACC in the --help output, re
+dnl getdate.y assuming `bison -y'.
   AC_ARG_VAR(YACC,
 [The `Yet Another C Compiler' implementation to use.  Defaults to `bison -y'.
 Values other than `bison -y' will most likely break on most systems.])dnl