Re: [gentoo-user] Where do these use flags come from?

["Brett I. Holcomb" <brettholcomb@bellsouth.net>]

They come from /etc/make.conf or /etc/portage/package.use.  The profile you 
are using has defaults set.

On Sunday February 26 2006 21:00, Bo Andresen wrote:
> I decided I wanted to remove the ipv6 use flag which I have had enabled in
> make.conf for quite a while but never really been on a ipv6 network and
> don't suspect I will in the near future. When upgrading firefox I noted it
> has that use flag and decided I want to know what it actually does. Only, I
> cannot find it anywhere in the ebuilds! So where does it come from and what
> *exactly* does it do?
>
> ~ # emerge -uvp mozilla-firefox
> These are the packages that would be merged, in order:
> Calculating dependencies... done!
> [ebuild     U ] www-client/mozilla-firefox-1.5.0.1-r2 [1.5.0.1-r1]
> USE="java mozdevelop xprint -debug -gnome -ipv6* -xinerama" 33 kB
> Total size of downloads: 33 kB
>
> ~ # grep USE /usr/portage/www-client/mozilla-firefox/*.ebuild
> /usr/portage/www-client/mozilla-firefox/mozilla-firefox-1.0.7-r4.ebuild:IUS
>E="gnome java mozdevelop mozsvg mozcalendar"
> /usr/portage/www-client/mozilla-firefox/mozilla-firefox-1.5-r11.ebuild:IUSE
>="java mozdevelop"
> /usr/portage/www-client/mozilla-firefox/mozilla-firefox-1.5-r9.ebuild:IUSE=
>"java mozdevelop"
> /usr/portage/www-client/mozilla-firefox/mozilla-firefox-1.5.0.1-r2.ebuild:I
>USE="java mozdevelop"
>
> ~ # grep ipv6 /usr/portage/www-client/mozilla-firefox/*.ebuild
> ~ #
>
> ~ # equery u mozilla-firefox
> [ Searching for packages matching mozilla-firefox... ]
> [ Colour Code : set unset ]
> [ Legend        : Left column  (U) - USE flags from
> make.conf                     ]
> [                  : Right column (I) - USE flags packages was installed
> with ]
> [ Found these USE variables for www-client/mozilla-firefox-1.5.0.1-r1 ]
>  U I
>  - - debug      : Tells configure and the makefiles to build for debugging.
> Effects vary across packages, but generally it will at least add -g to
> CFLAGS. Remember to set FEATURES=nostrip too
>  - - gnome      : Adds GNOME support
>  - + ipv6       : Adds support for IP version 6
>  + + java       : Adds support for Java
>  + + mozdevelop : Enable features for web developers (e.g. Venkman)
>  - - xinerama   : Add support for the xinerama X11 extension, which allows
> you to stretch your display across multiple monitors
>  + + xprint     : Support for xprint,
> http://www.mozilla.org/projects/xprint/
>
> --
> Bo Andresen

-- 

Brett I. Holcomb
-- 
gentoo-user@gentoo.org mailing list