Build Failure on ports-10.13_x86_64: libass

[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/30108
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    libbluray openttd libassuan libass libzzip
Subport list:
	- libass
	- libassuan
	- libbluray
	- libzzip
	- openttd
Variants:     None
Revision:     e933282604709e3f85702cc5e39911eef7d4b8c4
Build time:   0:35:08
Author:       Chris Jones <jonesc at macports.org>

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

Broken ports:
	- libass

Links to individual build jobs:
- ports-10.13_x86_64-builder #94462
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/94462
- ports-10.13_x86_64-builder #94463
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/94463
- ports-10.13_x86_64-builder #94464
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/94464
- ports-10.13_x86_64-builder #94465
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/94465
- ports-10.13_x86_64-builder #94466
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/94466

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