Re: [gentoo-dev] Re: multilib amd64 news item for review

[Michał Górny]

Dnia 2015-03-29, o godz. 19:59:19
Nikos Chantziaras <realnc@×××××.com> napisał(a):

> On 29/03/15 19:24, Michał Górny wrote:
> > Dnia 2015-03-29, o godz. 19:14:43
> > Nikos Chantziaras <realnc@×××××.com> napisał(a):
> >
> >> On 17/03/15 18:29, Michał Górny wrote:
> >>> Dnia 2015-03-17, o godz. 16:55:32
> >>> René Neumann <lists@××××××.eu> napisał(a):
> >>>
> >>>> Am 17.03.2015 um 16:33 schrieb Michał Górny:
> >>>>>    However, some
> >>>>> users may prefer setting ABI_X86 globally to enable 32-bit libraries
> >>>>> in all packages that support building them. This can be done using
> >>>>> the following package.use entry:
> >>>>>
> >>>>>        */* abi_x86_32
> >>>>>
> >>>>
> >>>> I'm confused: Has this a different semantics from adding
> >>>> USE+='abi_x86_32' to make.conf? If no, why mention this strange way
> >>>> (which is new to me) for setting default global useflags.
> >>>
> >>> Because this is how users learn new fun stuff. Like sane configuration.
> >>
> >> I don't see why ABI_X86 is not the sane option. Using wildcards in
> >> package.use is what sounds insane to me.
> >
> > Because it overrides the defaults without providing a way to append to
> > them.
>
> According to emerge --info, ABI_X86 seems to append, not override. In
> make.conf:
>
>    ABI_X86="32"
>
> Then:
>
>    $ emerge --info | grep -i abi_x86
>
> You get:
>
>    ABI_X86="32 64"
>
>
> "64" seems to be always there. You cannot override it. Using
> ABI_X86="32" in make.conf seems to only append "32" to the default.

Portage may do that because it's forced by default. But some packages
'unforce' it, and that's when it matters.

>
> If this is not the case, and "*/* abi_x86_32" in package.use really does
> something different, then this is implemented in a way too confusing for
> people and should be considered a bug :-/

Yes, USE support in make.conf is a big pile of random misbehaviors
and bugs that need to be killed with fire.


-- 
Best regards,
Michał Górny