Build Failure on ports-10.8_x86_64: cgal4, py-graph-tool, py27-graph-tool, py35-graph-tool, py36-graph-tool, py37-graph-tool

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.8_x86_64
Full logs:    https://build.macports.org/builders/ports-10.8_x86_64-watcher/builds/5105
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-graph-tool
Subport list:
	- py27-graph-tool
	- py-graph-tool
	- py35-graph-tool
	- py36-graph-tool
	- py37-graph-tool
Variants:     None
Revision:     f7061775b89754301c4bb347e8aaada58a827443
Build time:   0:11:06
Author:       Christopher Chavez <chrischavez at gmx.us>

Log from failed builds:
	Building 'py27-graph-tool' ... [ERROR] (failed to install dependency 'cgal4')
	> maintainers: tiago at skewed.de,vince at macports.org.
	Building 'py-graph-tool' ... [ERROR] (failed to install dependency 'cgal4')
	> maintainers: tiago at skewed.de,vince at macports.org.
	Building 'py35-graph-tool' ... [ERROR] (failed to install dependency 'cgal4')
	> maintainers: tiago at skewed.de,vince at macports.org.
	Building 'py36-graph-tool' ... [ERROR] (failed to install dependency 'cgal4')
	> maintainers: tiago at skewed.de,vince at macports.org.
	Building 'py37-graph-tool' ... [ERROR] (failed to install dependency 'cgal4')
	> maintainers: tiago at skewed.de,vince at macports.org.

Broken ports:
	- cgal4
	- py-graph-tool
	- py27-graph-tool
	- py35-graph-tool
	- py36-graph-tool
	- py37-graph-tool

Responsible maintainers:
	- tiago at skewed.de
	- vince at macports.org

Links to individual build jobs:
- ports-10.8_x86_64-builder #17370
  https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/17370
- ports-10.8_x86_64-builder #17371
  https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/17371
- ports-10.8_x86_64-builder #17372
  https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/17372
- ports-10.8_x86_64-builder #17373
  https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/17373
- ports-10.8_x86_64-builder #17374
  https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/17374

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