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

[Zac Medico]

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,
Zac