[gentoo-user] Profile USE flags

[gentoo-user] Profile USE flags

[Graham Murray]

I have just looked at the 2007.0 profile and have seen that extra USE
flags have been added. Is there any source of information on the
reasoning behind USE flags being added to and removed from profiles?
Knowing the reasons for specific flags being added or removed from the
profile would help make an informed decision as to whether to edit
/etc/make.conf and add '-flagname' for features which have been added
but I do not think I need (or want) and add 'flagname' for those which
have been removed but I think I still want.
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Re: [gentoo-user] Profile USE flags

[Dale]

Graham Murray wrote:
> I have just looked at the 2007.0 profile and have seen that extra USE
> flags have been added. Is there any source of information on the
> reasoning behind USE flags being added to and removed from profiles?
> Knowing the reasons for specific flags being added or removed from the
> profile would help make an informed decision as to whether to edit
> /etc/make.conf and add '-flagname' for features which have been added
> but I do not think I need (or want) and add 'flagname' for those which
> have been removed but I think I still want.
>   

Well, if you want to know what a USE flag is for, you can try euse.  It
works like this:

> root@smoker / # euse -i gimp
> global use flags (searching: gimp)
> ************************************************************
> no matching entries found
>
> local use flags (searching: gimp)
> ************************************************************
> [+ C  ] gimp (media-gfx/dcraw):
> Builds rawphoto plugin for the GIMP
>
> [+ C  ] gimp (media-gfx/gtkam):
> GIMP plugin from gtkam
>
> [+ C  ] gimp (media-gfx/iscan):
> Build a plugin for the GIMP
>
> [+ C  ] gimp (media-gfx/sane-frontends):
> Build a plugin for the GIMP
>
> [+ C  ] gimp (media-gfx/ufraw):
> Build a plugin for the GIMP
>
> [+ C  ] gimp (media-gfx/xsane):
> Build a plugin for the GIMP
>
> root@smoker / #        

man euse for more info.  It is part of gentoolkit if you need to install it.

I hope that helps.

Dale

:-)  :-)  :-) 


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Re: [gentoo-user] Profile USE flags

[Graham Murray]

Dale <dalek@exceedtech.net> writes:

> Graham Murray wrote:
>> I have just looked at the 2007.0 profile and have seen that extra USE
>> flags have been added. Is there any source of information on the
>> reasoning behind USE flags being added to and removed from profiles?
>> Knowing the reasons for specific flags being added or removed from the
>> profile would help make an informed decision as to whether to edit
>> /etc/make.conf and add '-flagname' for features which have been added
>> but I do not think I need (or want) and add 'flagname' for those which
>> have been removed but I think I still want.
>>   
>
> Well, if you want to know what a USE flag is for, you can try euse.  It
> works like this:

I know how euse works (and do use it). What I am more interested in is
why the profile maintainers decided that an existing (for example
'kerberos') flag should now be enabled by default in x86/2007.0/desktop
when it was not enabled in previous profiles.
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Re: [gentoo-user] Profile USE flags

[Neil Bothwick]

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Hello Graham Murray,

> I know how euse works (and do use it). What I am more interested in is
> why the profile maintainers decided that an existing (for example
> 'kerberos') flag should now be enabled by default in x86/2007.0/desktop
> when it was not enabled in previous profiles.

There are Changelogs in the profile directories, but these tend to show
what was changed more than why it was changed.


-- 
Neil Bothwick

Top Oxymorons Number 28: Butt Head

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Re: [gentoo-user] Profile USE flags

[Daniel Iliev]

On Sun, 15 Apr 2007 10:54:34 +0100
Graham Murray <graham@gmurray.org.uk> wrote:
> I know how euse works (and do use it). What I am more interested in is
> why the profile maintainers decided that an existing (for example
> 'kerberos') flag should now be enabled by default in x86/2007.0/desktop
> when it was not enabled in previous profiles.


There is also a quick & dirty trick to ignore such kind of changes: put
in your /etc/make.conf all the USE flags you want enabled and prefix
them with "-*". For example:

USE="-* amd64 3dnow X a52 aac acl acpi alsa apm audiofile bash-completion \
     	bcmath bonobo bzip2 calendar caps cdparanoia cdr clamav \
	bla-h-blah blah"


-- 
Best regards,
Daniel

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