Build Failure on ports-10.13_x86_64

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.13_x86_64
Full logs:    https://build.macports.org/builders/ports-10.13_x86_64-watcher/builds/6243
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    gnss-sdr volk-gnss-sdr
Subport list:
	- gnss-sdr-devel
	- volk-gnss-sdr-next
	- gnss-sdr-next
Variants:     None
Revision:     ba9a18a52ef5dc4795750dae1c6539fc3335f10d
Build time:   0:39:37
Author:       Michael Dickens <michaelld at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.13_x86_64-builder #26994
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/26994
- ports-10.13_x86_64-builder #26995
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/26995
- ports-10.13_x86_64-builder #26996
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/26996

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