Signed-off-by: Michał Górny <mgorny@gentoo.org>
openexr - Support for the OpenEXR graphics file format
opengl - Add support for OpenGL (3D graphics)
openmp - Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
+opus - Enable Opus audio codec support
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