Re: [gentoo-dev] LLVM News item

[Ian Stakenvicius]

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 ..


You can't specify wildcards to enable groups of use flags.