Ok, now I'm sufficiently curious as to dig deeper and replicate what I think the sequence of events were.
> On 11 Apr 2018, at 15:32, Joshua Root <j...@macports.org> wrote: > > On 2018-4-11 23:27 , Enrico Maria Crisostomo wrote: >> Thanks Rainer, >> >> I can't check it but as I said in my previous mail I think I had forgotten >> to run `make distclean` when I previously built `v2.4.2`. And now I see >> that the `macports_autoconf.tcl` file you cite is an Autoconf config file. >> Why this happen now makes sense. > > As Rainer said, running configure is supposed to update that file (and > in my experience it does). > > - Josh