Cannot build DBUS update

[dash.elhauge@…]

Macintosh-0025009ffca6-2:~ Dash$ sudo port clean dbus
--->  Cleaning dbus
Macintosh-0025009ffca6-2:~ Dash$ sudo port upgrade dbus
--->  Computing dependencies for dbus
--->  Fetching archive for dbus
--->  Attempting to fetch dbus-1.8.8_0+universal.darwin_13.i386-x86_64.tbz2 from http://packages.macports.org/dbus
--->  Attempting to fetch dbus-1.8.8_0+universal.darwin_13.i386-x86_64.tbz2 from http://lil.fr.packages.macports.org/dbus
--->  Attempting to fetch dbus-1.8.8_0+universal.darwin_13.i386-x86_64.tbz2 from http://nue.de.packages.macports.org/macports/packages/dbus
--->  Fetching distfiles for dbus
--->  Verifying checksums for dbus
--->  Extracting dbus
--->  Applying patches to dbus
--->  Configuring dbus
Warning: You have requested an obsolete variant
Warning: Installation of startup items are now determined by /opt/local/etc/macports/macports.conf
Warning: See https://guide.macports.org/#reference.startupitems
--->  Building dbus
Error: org.macports.build for port dbus returned: command execution failed
Please see the log file for port dbus for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_dbus/dbus/main.log
Error: Unable to upgrade port: 1
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Macintosh-0025009ffca6-2:~ Dash$