On Thu, Mar 29, 2018 at 11:57:06AM -0400, Alec Warner wrote:
> On Thu, Mar 29, 2018 at 11:47 AM, Michael Orlitzky <m...@gentoo.org> wrote:
> > On 03/29/2018 11:28 AM, Alec Warner wrote:
> > >
> > > Is there any particular reason we need to remove them?
> > >
> >
> > The PMS says that empty directories are undefined, so the portage
> > behavior of installing them and leaving them alone leads to
> > incompatibilities. Ebuilds rely on the portage behavior, and if another
> > PM (within its rights) deletes them, then the package breaks with the
> > non-portage PM.
> >
> >
> So we could simply change the PMS to keep the empty directories?
> Why is removing them *better* is my question.

Right, I am not aware why PMS has left this explicitly undefined. Have
read through https://bugs.gentoo.org/644366 but there's no hint on why,
too. I appreciate mjo's proposal. I think it would be good for ebuild
maintainer to have a switch "empty dirs are ok by default". The
disagreement seems to be based on a prejudice and distrust towards
upstreams' build systems.

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