Re: [gentoo-dev] use.force support

[Ned Ludd]

On Mon, 2005-06-13 at 16:40 +0200, Sven Wegener wrote:
> Hi all!
>
> We just had a short discussion over in #gentoo-portage and the idea of
> an use.force file for profiles came up. It allows us to force some USE
> flags to be turned on for a profile. It's not possible to disable this
> flag by make.conf, the environment or package.use. But we would not be
> Gentoo, if we don't leave a backdoor. You can disable the flag by
> putting -flag in /etc/portage/profile/use.force if you really need to.
> Same goes for sub-profiles that need to disable this flag.
>
> This use.force support might be used as an replacement for some
> USE_EXPANDs like ELIBC and KERNEL because they are prone to break if the
> USE_EXPANDed variable is also set in the environment. Like this:
>
> sven@luna ~ $ KERNEL="foo" emerge --info | grep ^USE=
> USE="x86 ... userland_GNU kernel_foo elibc_glibc"


I'm in favor of this. Would you mind calling it package.autouse, 
package.use.auto or are you set on .force?

> I gues use.force has some other places where it is useful. Like the
> default-darwin profiles which use ARCH="ppc" and USE="ppc-macos" but the
> ppc-macos flag can be removed by using USE="-ppc-macos" in the
> environment. Or selinux profiles, to force the selinux flag to be turned
> on.
>
> Comments?
>
> Cheers,
> Sven
>
-- 
Ned Ludd <solar@g.o>

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