[I] dev-libs/boost Available versions: 1.49.0-r2 ~1.52.0-r4 {{debug doc icu mpi +nls python static-libs +threads tools}} Installed versions: 1.49.0-r2(22:07:33 04.07.2013)(icu python static-libs -debug -doc -mpi -tools) Homepage: http://www.boost.org/ Description: Boost Libraries for C++ [I] dev-util/boost-build Available versions: 1.46.1 1.49.0 ~1.51.0 ~1.52.0-r1 {{examples python test}} Installed versions: 1.49.0(13:51:33 24.09.2012)(python -examples) Homepage: http://www.boost.org/doc/tools/build/index.html Description: A system for large project software construction, which is simple to use and powerful. * media-sound/pianobooster Available versions: ~0.6.4b {{fluidsynth}} Homepage: http://pianobooster.sourceforge.net Description: A MIDI file player that teaches how to play the piano * sys-devel/boost-m4 Available versions: ~0.2 Homepage: http://github.com/tsuna/boost.m4 Description: Another set of autoconf macros for compiling against boost Нашёл 4 совпадений.