On Sat, 2014-06-14 at 17:31 +0100, Ciaran McCreesh wrote: > On Sat, 14 Jun 2014 12:17:52 -0400 > Alexandre Rostovtsev <tetrom...@gentoo.org> wrote: > > On Sat, 2014-06-14 at 16:56 +0100, Ciaran McCreesh wrote: > > > On Sat, 14 Jun 2014 11:50:29 -0400 > > > Alexandre Rostovtsev <tetrom...@gentoo.org> wrote: > > > > On Sat, 2014-06-14 at 16:13 +0100, Ciaran McCreesh wrote: > > > > > On Sat, 14 Jun 2014 16:41:51 +0200 > > > > > Michał Górny <mgo...@gentoo.org> wrote: > > > > > > However, this means that we force much more rebuilds than > > > > > > necessary. > > > > > > > > > > This shouldn't be considered to be a problem. > > > > > > > > This would be suicide for Gentoo as a distro. Organizations that > > > > have a dedicated build server and a standardized /etc/portage > > > > config tree pushed to all user machines could rebuild half of > > > > @world once a week. Individual users running Gentoo on a single > > > > workstation or server can't and won't. > > > > > > Then either Gentoo should ship binary packages, or the user should > > > find another distribution. > > > > > > Gentoo *already* does a full rebuild for packages whose bumps or > > > revbumps just result in one text file changing. So long as there > > > isn't a mechanism and full ebuild support in place to prevent this, > > > it's a silly argument. > > > > You don't see the difference between unnecessarily rebuilding one > > package (because a text file changed) and unnecessarily rebuilding a > > hundred packages (because libfoo added a new function)? Especially > > since maintainers of packages with long compile times understandably > > tend to be a bit conservative with their revision bumps, but have no > > control over when their package's dependencies get subslotbumped. > > So why isn't there a call for a feature to make ebuilds not recompile > the nine out of ten libraries and binaries that they provide that > haven't changed on a bump?
I cannot speak for others, but I haven't called for such a feature because it seems to be impossible to implement. If you have an idea for how this can be done, I for one would love to hear.
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