build failure for winetricks @20090227_1 (Portfile svn 50539)

[gnw3]

---> Verifying checksum(s) for winetricks ---> Extracting winetricks ---> Configuring winetricks ---> Building winetricks Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_x11_winetricks/work/winetricks" && make all " returned error 2 Command output: make: * No rule to make target `all'. Stop.

Error: Unable to upgrade port: 1

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I think the portfile needs to add an empty build phase as in <​http://guide.macports.org/#development.examples.eliminate>