-#serial 4
+# serial 5
-# Copyright (C) 2002 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2005, 2009, 2010 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.
AC_DEFUN([gl_BISON],
[
-dnl All this cruft, which tries to fail harmlessly when bison is not present,
-dnl will no longer be necessary after we require an Automake release 1.10 or
-dnl later, as those avoid generating .c files from .y when not in maintainer
-dnl mode. This is currently a fork from the GNULIB version of this file.
# getdate.y works with bison only.
- AM_MISSING_PROG(YACC, bison -y)
- AC_ARG_VAR(YACC,
+ : ${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.])
- AC_ARG_VAR(YFLAGS,
+Values other than `bison -y' will most likely break on most systems.])dnl
+ AC_ARG_VAR([YFLAGS],
[YFLAGS contains the list arguments that will be passed by default to Bison.
This script will default YFLAGS to the empty string to avoid a default value of
-`-d' given by some make applications.])
+`-d' given by some make applications.])dnl
])