040000 tree 55193307acecd427cfa7d350da3bd16bc3a72e1c	bsd
040000 tree b5f7f22125e4763bc38bf39e8c6cef9ab44e142c	darwin
040000 tree 25a5cdd551261be57e5e9cc58c53f49a1ec1fd9a	hpux
040000 tree c296beb386a2d40314fffb60c1131bd4954dd753	linux
040000 tree 6ca211660e17aec24365c857a0dbc1c3a98750e1	mingw32
040000 tree f3eb97c139e42d23d94dd5c80aec440027ad956d	posix