Build Failure on ports-10.6_x86_64: doxygen

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.6_x86_64
Full logs:    https://build.macports.org/builders/ports-10.6_x86_64-watcher/builds/3111
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    doxygen
Subport list:
	- doxygen
Variants:     None
Revision:     622ce32d7914e380bd5bcacb07b8799d8f5b2b62
Build time:   0:08:28
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:
	Building 'doxygen' ... [ERROR]
	> maintainers: .

Broken ports:
	- doxygen

Links to individual build jobs:
- ports-10.6_x86_64-builder #13942
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/13942

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