Gearman fails to build on Mac OS X 10.7.5

[Filippo]

Mac Ports installation aborts because gearmand build process fails. See the attached log file. Reported to the MacPorts also.

sudo port install gearmand
Password:
---> Computing dependencies for gearmand
---> Building gearmand
Error: org.macports.build for port gearmand returned: command execution failed
Please see the log file for port gearmand for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_sysutils_gearmand/gearmand/main.log
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port gearmand failed