org.macports.build for port graphviz returned

[jinlei.phys@…]

when I was installed graphviz, the following errors happened

sudo port install graphviz
--->  Computing dependencies for graphviz
--->  Fetching archive for graphviz
--->  Attempting to fetch graphviz-2.30.1_0+pangocairo+x11.darwin_12.x86_64.tbz2 from http://jog.id.packages.macports.org/macports/packages/graphviz
--->  Attempting to fetch graphviz-2.30.1_0+pangocairo+x11.darwin_12.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/graphviz
--->  Attempting to fetch graphviz-2.30.1_0+pangocairo+x11.darwin_12.x86_64.tbz2 from http://packages.macports.org/graphviz
--->  Fetching distfiles for graphviz
--->  Verifying checksum(s) for graphviz
--->  Extracting graphviz
--->  Configuring graphviz
--->  Building graphviz
Error: org.macports.build for port graphviz returned: command execution failed
Please see the log file for port graphviz for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_graphics_graphviz/graphviz/main.log
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port graphviz failed

[larryv (Lawrence Velázquez)]

Thanks for the ticket. In the future, please Cc any port maintainers, and use WikiFormatting in your ticket descriptions.