Re: [gentoo-alt] masking useflag for prefix in an overlay

[François Bissey]

On Tue, 30 Apr 2013 20:36:42 Zac Medico wrote:
> On 04/30/2013 08:17 PM, François Bissey wrote:
> > On Tue, 30 Apr 2013 20:03:13 Zac Medico wrote:
> >> On 04/30/2013 07:45 PM, François Bissey wrote:
> >>> Hi,
> >>>
> >>> I have at least one ebuild in an overlay that I try to maintain as
> >>> prefix friendly as possible. I have discovered that one of the ebuild
> >>> we carry has a useflag that is not working properly on macos-x86
> >>> (at least on 10.5.8). So I proceeded to mask it in:
> >>> profiles/prefix/darwin/macos/arch/x86/package.use.mask
> >>> However once I synced the overlay on my Mac the useflag was still
> >>> available for that ebuild.
> >>>
> >>> Am I doing something wrong or are the overlays not inheriting that part
> >>> of
> >>> the profile?
> >>
> >> If you do it that way, then the user's profile would have to inherit
> >> that profile explicitly from your overlay. Instead, you probably want to
> >> use ${repository}/profiles/package.use.mask, which has been supported
> >>
> >> for nearly 2 years now:
> >>   https://bugs.gentoo.org/show_bug.cgi?id=370693
> >
> > Ok, I actually had put it in:
> > ${repository}/profiles/prefix/darwin/macos/arch/x86/package.use.mask
> > I would be ok to use ${repository}/profiles/package.use.mask but how
> > do I restrict the useflag to macos-x86 only?
> > The overlay, sage-on-gentoo, is widely available and works for most people
> > on regular gentoo, linux prefix and macos prefix. I don't want to do
> > something that will affect other arches.
>
> In that case, you probably should not bother to mask the flag. As an
> alternative, you could use REQUIRED_USE to enforce the constraint, like
> this:
>
>   REQUIRED_USE="macos-x86? ( !bad-flag )"

Thanks for the idea!

Francois