[MacPorts] #50025: Error: org.macports.build for port gcc48 returned: command execution failed

[MacPorts]

#50025: Error: org.macports.build for port gcc48 returned: command execution failed
----------------------+--------------------------------
 Reporter:  volker@…  |      Owner:  macports-tickets@…
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.3.4
 Keywords:            |       Port:
----------------------+--------------------------------
 On "sudo port upgrade outdated" I get:

 --->  Computing dependencies for gcc48
 --->  Building gcc48
 Error: org.macports.build for port gcc48 returned: command execution
 failed
 Please see the log file for port gcc48 for details:
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_gcc48/gcc48/main.log
 Error: Unable to upgrade port: 1
 To report a bug, follow the instructions in the guide:
     http://guide.macports.org/#project.tickets

 File main.log is attached.

 System information:
 OS X 10.11.2
 MacBook Pro (Retina, 15-inch, Mid 2014)
 2.8 GHz Intel Core i/
 16 GB 1600 MHz DDR3

-- 
Ticket URL: <https://trac.macports.org/ticket/50025>
MacPorts <https://www.macports.org/>
Ports system for OS X