Re: [gentoo-user] Switching off a long list of USE flags

[Wang Xuerui]

2013/9/19 gevisz <gevisz@×××××.com>:
> I would like to build sane-backend only for one specific scanner.
>
> However, there are a huge lot of different USE flags for other scanners
> that are already switched on by default.
>
> Is there any easy way to switch them off?
>
> Something like:
>
>           media-gfx/sane-backends -sane_backends* sane_backends_hp
>
> Exactly that way does not work, but may be something like that...
>
> ...instead of directly switching off every one of them.

According to the Package Manager Specification, the variable should
not be incremental, i.e. any value set would override *any* defaults
or previously set values. So just do SANE_BACKENDS="xxx" in your
make.conf, same as what you'd do for VIDEO_CARDS and the like.

Hope it helps :)