Gábor Boskovits writes: Hey Gábor,
> Jan, I can now pass the test you have in the original patch, which > basically builds gcc-4.7.4 twice, and checks if gcc/bin are > identical. Woohoo! Amazing work! > I'm using the getenv approach Ricardo suggested. I've not written a wrapper > yet, the environment variables are > set from the build. > As the gcc binary depends on the program name (argv[0]) we should leave it as > is, so the wrapper should be > gcc-wrapper, and also gcc-ar-wrapper. > Or something like that, and link the wrappers ot the profile as gcc, > gcc-ar... I think we recently had a > discussion on that. > > I'd like to know if someone is willing to do this with the wrapper, or at > least can point me to some packages > already doing this. > > I'd like some help with choosing appropriate names for these environment > variables. Ricardo, ideas? > One thing we still miss, is that the gcc-ddc package does not produce output > if the comparison is successful, so > we have build failed then too. > It would be great, if we could store the diffoscope output in a file in the > output directory anyway. Would you > mind changing it that way? That's a good idea, please do so. > Now I changed the test to compare the full build trees, and we have several > files, where these same problems > arose. > We also have several differences coming from section .gnu_debuglink. I guess > that we don't need that anyway. > > Clone location is: https://github.com/Boskovits/guix.git > Branch gcc-ddc. Amazing, that's quite some work... > I guess I will go on with this and try to make the gcc-4.7.4 build fully > reproducible. Once that is done we can > try the clang one, and see if some things are still missing or not. > We have the definition in place for that at least. Sure. > I cannot paste the text of the patch because of limitations in my current > mail client, I will work on it, > though. > The patch should be applied no top of the one sent by janneke. That's fine, Thanks janneke -- Jan Nieuwenhuizen <jann...@gnu.org> | GNU LilyPond http://lilypond.org Freelance IT http://JoyofSource.com | Avatar® http://AvatarAcademy.com