now that we have USE=cxx, and base/make.defaults has USE=cxx, i'd like to migrate gcc away from USE=nocxx.
since this can be a pickle, i'd propose toolchain.eclass grow the checks:
- use cxx && use nocxx && die
- use !cxx && use !nocxx && die
this way when i do cut over from USE=nocxx to USE=cxx, we don't end up with
users missing C++ compilers simply because they have old make.conf settings
that started out with:
USE="-* ..."
there are other ebuilds in the tree now that have USE=nocxx, but i'll take
care of converting them.
-mike
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