install fails for ruby mock unit test addon

[vulcan_@…]

trying to install this port it fails in install

:debug:destroot destroot phase started at Tue Feb 22 14:20:51 CET 2011
:debug:destroot Executing proc-pre-org.macports.destroot-destroot-0
:info:destroot xinstall: mkdir /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_ruby_rb-test-unit-mock/work/destroot/opt/local/lib/ruby
:info:destroot xinstall: mkdir /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_ruby_rb-test-unit-mock/work/destroot/opt/local/lib/ruby/vendor_ruby
:info:destroot xinstall: mkdir /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_ruby_rb-test-unit-mock/work/destroot/opt/local/lib/ruby/vendor_ruby/1.8
:debug:destroot Executing org.macports.destroot (rb-test-unit-mock)
:debug:destroot Environment: CPATH='/opt/local/include' CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_ruby_rb-test-unit-mock/work/.CC_PRINT_OPTIONS' DESTROOT='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_ruby_rb-test-unit-mock/work/destroot' LIBRARY_PATH='/opt/local/lib' CC_PRINT_OPTIONS='YES' MACOSX_DEPLOYMENT_TARGET='10.6'
:debug:destroot Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_ruby_rb-test-unit-mock/work/Test-Unit-Mock-0.03" && /opt/local/bin/ruby -rvendor-specific -rdestroot install.rb'
:info:destroot install.rb:44:in `=~': type mismatch: String given (TypeError)
:info:destroot  from install.rb:44:in `find_site_libdir'
:info:destroot  from install.rb:33:in `initialize'
:info:destroot  from install.rb:82:in `new'
:info:destroot  from install.rb:82
:info:destroot shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_ruby_rb-test-unit-mock/work/Test-Unit-Mock-0.03" && /opt/local/bin/ruby -rvendor-specific -rdestroot install.rb " returned error 1
:error:destroot Target org.macports.destroot returned: shell command failed (see log for details)
:debug:destroot Backtrace: shell command failed (see log for details)
    while executing
"command_exec destroot"
    (procedure "portdestroot::destroot_main" line 2)
    invoked from within
"$procedure $targetname"

macport 1.9.2 Macbook 13" intel Duo Core (thus 32 bit ONLY) Mac OS X Snow L 10.6.6 ruby @1.8.7-p334 lang/ruby

[jmr@…]

No maintainer, abandoned upstream. Deleted, r89762.