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On Mon, Jun 13, 2005 at 05:08:09PM -0400, Alec Warner wrote: |
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> Sven Wegener wrote: |
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> |
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> >use.force might not be the best name, but it's what we do with it for |
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> >most of our users. Being able to -flag in /etc/portage/profile/use.force |
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> >is just because /etc/portage/profile gets added to the cascaded profile |
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> >chain. Everything we add to portage that allows a profile to revert |
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> >some behaviour added by parent profiles, can also be done with |
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> >/etc/portage/profile and it's good that way. So, that we're able to |
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> >-flag in use.force is just part of the way cascaded profiles work. It's |
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> >not a feature that will be added just to support use.force. Primary |
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> >reason for use.force is to have a way to activate flags even if USE="-*" |
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> >is in make.conf or environment. |
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> |
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> How is this not just a consequence of USE="-*"...that is what this does; |
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> turns off ALL use flags. How is use.force ( or the concept thereof ) |
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> not breaking the 'easy' interpretation of USE="-*" because now things |
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> aren't -*, they are -* + use.force things. |
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> |
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> It's one of those "if you use USE="-*" you should know the consequences |
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> of it...kind of deals. |
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There are some USE flags that must survive the -* thing and already do |
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it. One of them being ARCH, which is always there. And the USE_EXPANDed |
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ones, the current important being being userland_*, kernel_* and elibc_* |
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which are needed for special dependencies and checks. They are not to be |
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modified by users by using USE in make.conf or the environment. They |
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depend on the chosen profile and should always be enabled. We're not |
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talking about every day USE flags, but really special USE flags, like |
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multilib, selinux or the USE_EXPANDed ones that *must* be turned on for |
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the chosen profile. Don't think of them like every day USE flags that |
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allow you to tweak your system, they are used to pass some information |
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from profiles to the ebuilds in a way portage can easily handle it. |
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Hm, use.must sounds bad once I think about it more. |
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Sven |
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|
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-- |
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Sven Wegener |
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Gentoo Linux Developer |
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http://www.gentoo.org/ |
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