Build Failure on ports-10.6_x86_64: boost, gdal, gerbil, opencv4

[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/6392
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    gerbil
Subport list:
	- gerbil
Variants:     None
Revision:     3d56b22557dcd46199629ec8ffc1f06f23eea854
Build time:   0:03:55
Author:       Clemens Lang <cal at macports.org>

Log from failed builds:
	Building 'gerbil' ... [ERROR] (failed to install dependency 'boost')
	> maintainers: cal at macports.org,michaelld at macports.org.
	Building 'gerbil' ... [ERROR] (failed to install dependency 'gdal')
	> maintainers: cal at macports.org,vince at macports.org.
	Building 'gerbil' ... [ERROR] (failed to install dependency 'opencv4')
	> maintainers: cal at macports.org,stromnov at macports.org.

Broken ports:
	- boost
	- gdal
	- gerbil
	- opencv4

Responsible maintainers:
	- cal at macports.org
	- michaelld at macports.org
	- stromnov at macports.org
	- vince at macports.org

Links to individual build jobs:
- ports-10.6_x86_64-builder #25935
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/25935

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