Re: [gentoo-dev] LLVM News item

[Michał Górny]

On Tue, 25 Oct 2016 20:02:26 +0000
Joakim Tjernlund <Joakim.Tjernlund@××××××××.com> wrote:

> On Tue, 2016-10-25 at 15:41 -0400, Ian Stakenvicius wrote:
> > On 25/10/16 03:32 PM, Ian Stakenvicius wrote:
> > >
> > > On 25/10/16 03:08 PM, Joakim Tjernlund wrote:
> > > >
> > > > On Tue, 2016-10-25 at 20:11 +0200, Michał Górny wrote:
> > > > >
> > > > > On Tue, 25 Oct 2016 17:32:22 +0000
> > > > > Joakim Tjernlund <Joakim.Tjernlund@××××××××.com> wrote:
> > > > >
> > > > > >
> > > > > >
> > > > > > Noticed todays 2016-10-25-llvm_3_9_with_llvm_targets news item and read:
> > > > > > ..
> > > > > > In order to enable all targets, add the following to your
> > > > > > /etc/portage/package.use or equivalent file:
> > > > > >
> > > > > >   sys-devel/llvm LLVM_TARGETS: *
> > > > > >   sys-devel/clang LLVM_TARGETS: *
> > > > > > ...
> > > > > >
> > > > > > I would like to control such variables(LLVM_TARGETS) through the profile as
> > > > > > well but it seems not supported?
> > > > >
> > > > > Why not? We're already setting the defaults in profiles, and you can do
> > > > > whatever you want in your own profile. The news item is focused on
> > > > > regular users, so it covers the usual configuration files rather than
> > > > > creating custom profiles.
> > > > >
> > > >
> > > > How? in my profile(which inherits gentoo:default/linux/amd64/13.0/desktop) I just tested to add:
> > > > # > svn diff
> > > > Index: package.use
> > > > ===================================================================
> > > > --- package.use	(revision 1087)
> > > > +++ package.use	(working copy)
> > > > @@ -1,3 +1,6 @@
> > > > +sys-devel/llvm LLVM_TARGETS: *
> > > > +sys-devel/clang LLVM_TARGETS: *
> > > >
> > > > Then I get:
> > > > # > emerge -aNDuv world
> > > > --- Invalid USE flag for 'sys-devel/llvm' in '/var/lib/layman/transmode/profiles/gentoo64/package.use':
> > > > 'LLVM_TARGETS:'
> > > > --- Invalid USE flag for 'sys-devel/llvm' in '/var/lib/layman/transmode/profiles/gentoo64/package.use':
> > > > '*'
> > > > --- Invalid USE flag for 'sys-devel/clang' in '/var/lib/layman/transmode/profiles/gentoo64/package.use':
> > > > 'LLVM_TARGETS:'
> > > > --- Invalid USE flag for 'sys-devel/clang' in '/var/lib/layman/transmode/profiles/gentoo64/package.use':
> > > > '*'
> > > >
> > >
> > > Syntax error:
> > >
> > > sys-devel/llvm llvm_targets_firstone llvm_targets_secondone ..
> > > sys-devel/clang llvm_targets_firstone llvm_targets_secondone ..
>
> This is standard USE flags, not the VAR: x y z syntax
>
> > >
> > >
> > > You can't specify wildcards to enable groups of use flags.
> > >
> > >
> >
> > Correction, the earlier syntax *is* supposed to work (and tested that
> > it works here, with VIDEO_CARDS)..  If I had to guess this probably
> > relates to an issue with the transmode overlay.
> >
>
> Hmm, are you saying that you can write:
>   x11-base/xorg-drivers VIDEO_CARDS: intel radeon
> in your profile?
>
> Any idea what my issue might be?

I don't know, it might be supported in portage-2 profile format. You
can use the long syntax, or set LLVM_TARGETS in profile's
make.defaults. Look through the Portage manuals.

-- 
Best regards,
Michał Górny
<http://dev.gentoo.org/~mgorny/>