[Cvs-cvs] Changes to ccvs/m4/bison.m4

[Derek Robert Price]

Index: ccvs/m4/bison.m4
diff -u ccvs/m4/bison.m4:1.9 ccvs/m4/bison.m4:1.10
--- ccvs/m4/bison.m4:1.9        Wed Jun 15 18:20:01 2005
+++ ccvs/m4/bison.m4    Fri Aug 12 20:57:46 2005
@@ -15,7 +15,12 @@
   am_aux_dir=`cd $ac_aux_dir && pwd`
 
   # getdate.y works with bison only.
-  test "${YACC+set}" = set || YACC="\${SHELL} $am_aux_dir/bison-missing --run 
bison -y"
+  : ${YACC="\${SHELL} $am_aux_dir/bison-missing --run 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