[MacPorts] #49669: port upgrade outdated @ MacPorts 2.3.4 Error: Unable to open port: can't read "mpi.default": no such variable

[MacPorts]

#49669: port upgrade outdated @ MacPorts 2.3.4 Error: Unable to open port: can't
read "mpi.default": no such variable
-------------------------+--------------------------------
 Reporter:  rioyokota@…  |      Owner:  macports-tickets@…
     Type:  defect       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.3.4
 Keywords:               |       Port:
-------------------------+--------------------------------
 On MacBook Air (13-inch, Early 2015), OS X 10.10.5, Xcode 7.1

 After doing "sudo port selfupdate" today "sudo port upgrade outdated"
 returns the error "Error: Unable to open port: can't read "mpi.default":
 no such variable".

 A quick Google search did not bring up anything useful.

-- 
Ticket URL: <https://trac.macports.org/ticket/49669>
MacPorts <https://www.macports.org/>
Ports system for OS X