Build Failure on ports-10.6_x86_64: libass, openttd

[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/11602
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:   0:27:14
Author:       Chris Jones <jonesc at macports.org>

Log from failed builds:
	Building 'libass' ... [ERROR]
	> maintainers: .
	Building 'openttd' ... [ERROR]
	> maintainers: cal at macports.org.

Broken ports:
	- libass
	- openttd

Responsible maintainers:
	- cal at macports.org

Links to individual build jobs:
- ports-10.6_x86_64-builder #37776
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/37776
- ports-10.6_x86_64-builder #37777
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/37777
- ports-10.6_x86_64-builder #37778
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/37778
- ports-10.6_x86_64-builder #37779
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/37779
- ports-10.6_x86_64-builder #37780
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/37780

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