[MacPorts] #60903: openimageio @2.1.15.0_1: fails to build on macOS 10.11

[MacPorts]

#60903: openimageio @2.1.15.0_1: fails to build on macOS 10.11
--------------------------+--------------------
  Reporter:  jasonliu--   |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  openimageio  |
--------------------------+--------------------
Changes (by jasonliu--):

 * Attachment "main.log" added.

 Log file for 'port -vst install openimageio'

-- 
Ticket URL: <https://trac.macports.org/ticket/60903>
MacPorts <https://www.macports.org/>
Ports system for macOS