On Mon, 2020-10-12 at 12:10 -0400, Paul Smith wrote:
> Is there a reason that bison has -lreadline to the link line?  I
> cannot find any code anywhere in the bison program that invokes
> readline() or tests any preprocessor option specifying whether
> readline is linked.

Making this change still allowed bison to link and run correctly for
me:

--- a/src/local.mk      2020-08-03 10:36:58.000000000 -0400
+++ b/src/local.mk      2020-10-12 12:14:17.668301244 -0400
@@ -143,7 +143,6 @@
   $(LIB_SETLOCALE_NULL)                         \
   $(LIBICONV)                                   \
   $(LIBINTL)                                    \
-  $(LIBREADLINE)                                \
   $(LIBTEXTSTYLE)


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