[gentoo-dev] Package-specific USE-flags?

[Patrick Börjesson]

Is there some way to set package-specific USE-flags in some config-file
somewhere so I don't have to give it manually on the command-line each
and every time I want to reemerge or upgrade the package? 
If not, then that functionality would make my life (and probably many
others too) alot easier. I just did an "update world" and after it
finished I realised that I had to reemerge a couple of packages since my
global USE-flags didn't comply with those I wanted for those specific
packages. For example: I don't want QT-support built-in for most of the
software on my machine so I have "-qt" in my USE-flag in make.conf, but
since I want the qt-gui for licq I have to reemerge licq with USE="qt"
after every single time licq is a part of an "update world". And just
recently I had to lower the aggressiveness on my CFLAGS to be able to
emerge mozilla-firebird. I don't want those slack CFLAGS for most of the
packages in my system so I have to give the CFLAGS manually when
emerging that package. 
A suggestion on how to realise it would be package-specific USE-flags in
make.conf or some other config-file under /etc. For example: If I
would want qt-support in licq then I'd add LICQ_USE="qt" in make.conf or
whatever where LICQ_USE is the package-name in uppercase followed by
_USE. Since there are support for converting strings to uppercase in
python I don't see a problem in implementing this feature.
Has there been no request for this feature earlier? Or is there another
obstacle in the way of implementing it?

Eagerly awaiting your response,
Patrick Börjesson

P.S. Sorry for the long post. D.S.

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