Build Failure on ports-10.12_x86_64: gnubg

[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/15379
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    gnubg gsl
Subport list:
	- gnubg
Variants:     None
Revision:     f6eed6da85ae9bf78abb4225dbd8634bfbcc673b
Build time:   0:07:30
Author:       Ryan Schmidt <ryandesign at macports.org>

Log from failed builds:
	Building 'gnubg' ... [ERROR]
	> maintainers: dtakahashi at macports.org.

Broken ports:
	- gnubg

Responsible maintainers:
	- dtakahashi at macports.org

Links to individual build jobs:
- ports-10.12_x86_64-builder #63293
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/63293

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