Build Failure on ports-10.14_x86_64: graphviz-gui

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.14_x86_64
Full logs:    https://build.macports.org/builders/ports-10.14_x86_64-watcher/builds/2677
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    mesos graphviz
Subport list:
	- graphviz-gui
Variants:     None
Revision:     01e1605b9ac575270947a123e00dcc76f14a5615
Build time:   0:06:12
Author:       David Gilman <davidgilman1 at gmail.com>

Log from failed builds:
	Building 'graphviz-gui' ... [ERROR]
	> maintainers: ryandesign at macports.org.

Broken ports:
	- graphviz-gui

Responsible maintainers:
	- ryandesign at macports.org

Links to individual build jobs:
- ports-10.14_x86_64-builder #20774
  https://build.macports.org/builders/ports-10.14_x86_64-builder/builds/20774

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