Signed-off-by: Michał Górny <mgorny@gentoo.org>
oracle - Enable Oracle Database support
orc - Use dev-lang/orc for just-in-time optimization of array operations
osc - Enable support for Open Sound Control
-oscar - Enable Oscar (AIM/ICQ) IM protocol support
oss - Add support for OSS (Open Sound System)
pam - Add support for PAM (Pluggable Authentication Modules) - DANGEROUS to arbitrarily flip
pch - Enable precompiled header support for faster compilation at the expense of disk space and memory (>=sys-devel/gcc-3.4 only)