Build Failure on ports-10.8_x86_64: glfw, materialx, opencv

[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/10640
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    materialx
Subport list:
	- materialx
Variants:     None
Revision:     0c2d310a4edd60c11dbd5baa6530af1ab6d2a890
Build time:   0:03:02
Author:       Jason Liu <jasonliu-- at users.noreply.github.com>

Log from failed builds:
	Building 'materialx' ... [ERROR] (failed to install dependency 'glfw')
	> maintainers: michaelld at macports.org.
	Building 'materialx' ... [ERROR] (failed to install dependency 'opencv')
	> maintainers: .

Broken ports:
	- glfw
	- materialx
	- opencv

Responsible maintainers:
	- michaelld at macports.org

Links to individual build jobs:
- ports-10.8_x86_64-builder #31900
  https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/31900

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