On Tue, 23 Aug 2016, Tom Tromey wrote: > >>>>> "Pedro" == Pedro Alves <pal...@redhat.com> writes: > > >> ISTM we ought to try and rectify the dependency situation for the build > >> bits. The haphazard way we've managed dependencies may have made sense > >> in 1992, but doesn't today... > >> Jeff > > Pedro> I can't imagine how would anyone disagree. :-) Maybe Tromey had > Pedro> some follow up patches (or ideas). Adding him now. > > It's been a while. I think there were two major projects remaining. > > > One project is to make the build files use the same dependency tracking > scheme. > > One tricky bit here is that you have to arrange to check the > dependency-tracking scheme for the host compiler. I think the currently > proposed patch will fail if the build compiler requires one scheme while > the host compiler requires another.
Ah that's a fairly serious oversight. Thanks for pointing it out! Addressing this is going to complicate the patch a bit. > > > The other project is to clean up the t-* and x-* config files to remove > explicit dependencies. > > Once that's done it should be possible to remove a bunch of unnecessary > Makefile variables. Once upon a time I wrote a script to find these: > > https://gcc.gnu.org/ml/gcc-patches/2013-07/msg01206.html > > > I don't have any patches other than the ones I sent. At some point in > the distant past I converted the config files, but I don't have that > work any more. It's in the history somewhere since IIRC it was checked > in and then backed out. > > Tom >
