Build Failure on ports-10.12_x86_64

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.12_x86_64
Full logs:    https://build.macports.org/builders/ports-10.12_x86_64-watcher/builds/12690
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    gdl3
Subport list:
	- 
Variants:     None
Revision:     c5ba056233bcda18df71f93a4783c2697a12b4c2
Build time:   0:00:34
Author:       David B. Evans <devans at macports.org>

Log from failed builds:

Links to individual build jobs:

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MacPorts Buildbot
https://build.macports.org/