configure.ac: Don't sanity-check `$mdw_ecl_opts' if there's no `ecl' anwyay.
[runlisp] / dump-ecl
2021-05-13 Mark Woodingdump-ecl: Insert missing space before line-splicing...
2020-08-31 Mark Wooding@@@ more wip
2020-08-26 Mark Wooding@@@ work in progress