Build Failure on ports-10.6_x86_64_legacy

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.6_x86_64_legacy
Full logs:    https://build.macports.org/builders/ports-10.6_x86_64_legacy-watcher/builds/14311
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    octave-zeromq octave-optiminterp octave-netcdf
Subport list:
	- octave-netcdf
	- octave-optiminterp
	- octave-zeromq
Variants:     None
Revision:     668b01697d20cefb825b7fcc8c2646d7fb8729cc
Build time:   0:28:41
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.6_x86_64_legacy-builder #63435
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/63435
- ports-10.6_x86_64_legacy-builder #63436
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/63436
- ports-10.6_x86_64_legacy-builder #63437
  https://build.macports.org/builders/ports-10.6_x86_64_legacy-builder/builds/63437

-- 
Best regards,
MacPorts Buildbot
https://build.macports.org/