[Gm2] OSX building

[Dragiša Durić]

It stops at

% sudo /opt/local/bin/port build gm2-latest
Password:
--->  Computing dependencies for gm2-latest
--->  Verifying checksum(s) for gm2-latest
Error: Checksum (sha1) mismatch for gm2-cvs-latest.tar.bz2
Error: Target org.macports.checksum returned: Unable to verify file checksums
Log for gm2-latest is at: 
/opt/local/var/macports/logs/_Users_dragisha_MacPorts_ports_lang_gm2-latest/main.log
Error: Status 1 encountered during processing.
To report a bug, see <http://guide.macports.org/#project.tickets>

All steps done, and same happens after I repeat procedure....