GNU Make integrates with guile. Maybe such extension can be done using guile for flexibility? (ref: https://www.gnu.org/software/make/manual/html_node/Guile-Integration.html#Guile-Integration) On Thu, Jan 21, 2021 at 12:11 PM Paul Eggert <eggert@xxxxxxxxxxx> wrote: > > One possible way forward is to have an Autoconf 2 that builds atop GNU > Make, both as a partial replacement for Automake (which is what Emacs > does already), and as a way to speed up and simplify configuration. If > 'configure' were mostly a front end to a GNU Make invocation, it could > run configuration probes in parallel which would certainly be a win for > me. And perhaps configuration probes could be written in GNU Make rather > than m4, which would also be a win because it'd be one less language to > learn. (Of course we could continue to support existing m4-based > probes, run sequentially, as well as letting Automake do its thing for > people who prefer Automake.) >