[gentoo-user] Unmasking USE flags

[gentoo-user] Unmasking USE flags

[Daniel Barkalow]

Is there some approved way to unmask a USE flag that your profile masks? 
(Maybe only for certain packages?) I need "multilib" for 
cross-arm-elf/newlib, and x86 profiles have it masked.

(For that matter, arm profiles seem to also have it masked, despite at 
least some arm devices having two ISAs)

	-Daniel
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Re: [gentoo-user] Unmasking USE flags

[Bo Ørsted Andresen]

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On Tuesday 23 January 2007 22:28, Daniel Barkalow wrote:
> Is there some approved way to unmask a USE flag that your profile masks?
> (Maybe only for certain packages?) I need "multilib" for
> cross-arm-elf/newlib, and x86 profiles have it masked.
>
> (For that matter, arm profiles seem to also have it masked, despite at
> least some arm devices having two ISAs)

I seriously doubt it'll work but unmasking a use flag is easy..

# mkdir -p /etc/portage/profile

To unmask it globally:

# echo '-multilib' >> /etc/portage/profile/use.mask

Or on a per package basis (note: for this to work properly requires portage
2.1.2 which isn't stable quite yet):

# echo 'cross-arm-elf/newlib -multilib' >> /etc/portage/profile/package.use.mask

-- 
Bo Andresen

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Re: [gentoo-user] Unmasking USE flags

[Daniel Barkalow]

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On Tue, 23 Jan 2007, Bo Ørsted Andresen wrote:

> On Tuesday 23 January 2007 22:28, Daniel Barkalow wrote:
> > Is there some approved way to unmask a USE flag that your profile masks?
> > (Maybe only for certain packages?) I need "multilib" for
> > cross-arm-elf/newlib, and x86 profiles have it masked.
> >
> > (For that matter, arm profiles seem to also have it masked, despite at
> > least some arm devices having two ISAs)
> 
> I seriously doubt it'll work but unmasking a use flag is easy..

Why wouldn't it work? I'm working around an infelicity in crossdev-enabled 
packages, where the USE flag for supporting multiple ABIs for the target 
is masked by the profile for the build host, which is actually totally 
irrelevant to the --enable-multilib configure option to (e.g.) newlib.

Is there some way to specify a totally different profile (per ARCH) for 
cross-ARCH/* packages? (Ideally, it would only be somewhat seperate, in 
case the build arch needs to determine some of the stuff, while the target 
arch determines most of the important stuff for this sort of package.)

In any case, /etc/portage/profile is what I needed to know, thanks.

	-Daniel
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