On Sun, Feb 13, 2022 at 11:29 PM Philip Guenther <guent...@gmail.com> wrote:
> On Sun, Feb 13, 2022 at 11:18 PM Mark Kettenis <mark.kette...@xs4all.nl> > wrote: > >> > From: Greg Steuck <gne...@openbsd.org> >> > Date: Sun, 13 Feb 2022 22:37:13 -0800 >> > >> > To give a sense of the kind of change required to get the feature I >> > want, see the patch at the end. The change in DriverUtils.cpp is just to >> > show that the same function is hiding in there. >> > >> > If this looks like a good direction, I can cleanup the code and maybe it >> > could be shared, though I'm not sure where this would belong. Maybe a >> > new tiny library of such wrappers to maintain in our tree? >> > >> > Thanks >> > Greg >> > >> > P.S. Naturally, once I install this patched cc, ghci is suddenly very >> > happy. >> >> Something like this was rejected upstream. >> >> The solution would be to add symlinks like all the other OSes do. But >> Theo doesn't like that. >> > > My recall was it was less that "Theo didn't like it" than "no one had > actually worked out how the symlink update process would work across major > and minor version bumps in base builds and what else needed to be adjusted > to keep things from exploding during that", because if there's one thing > Theo doesn't like it's "oh, something committed months ago and now embedded > in our ecosystem means that our ABI change process NO LONGER WORKS". > > So, IMHO, what is needed is for someone to camp out and watch for a diff > floated that will require a major bump *and that will affect stuff run > during the base build!* and then > 1) apply the symlink changes that *seem* fine, and build some dependent > ports, > 2) apply the major bump diff > 3) build base > 4) verify whether anything exploded in the base build and if so, what/why > 5) so, do those ports still work, or do they explode until an update to > them is pushed? > Those of long memory will recall a hackathon where dependencies on libc were put in place, the libm vs libc deps were changed as functions were moved from libm to libc, and base builds completely broke. My recall is that the diffs had to basically be unrolled to restore base builds to operation, and then the libm to libc stuff was redone, but I may be repressing memories. Philip
