Build Failure on ports-10.14_x86_64: gcc9, gsl, root6

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.14_x86_64
Full logs:    https://build.macports.org/builders/ports-10.14_x86_64-watcher/builds/9912
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    root6 doxygen gsl
Subport list:
	- doxygen
	- gsl
	- root6
Variants:     None
Revision:     ab2a439aea969bb973ba77d20e816b7b8c6b1e11
Build time:   0:13:37
Author:       Chris Jones <jonesc at macports.org>

Log from failed builds:
	Building 'gsl' ... [ERROR]
	> maintainers: dtakahashi at macports.org.
	Building 'root6' ... [ERROR] (failed to install dependency 'gcc9')
	> maintainers: jonesc at macports.org,mojca at macports.org.
	Building 'root6' ... [ERROR] (failed to install dependency 'gsl')
	> maintainers: jonesc at macports.org,mojca at macports.org,dtakahashi at macports.org.

Broken ports:
	- gcc9
	- gsl
	- root6

Responsible maintainers:
	- dtakahashi at macports.org
	- jonesc at macports.org
	- mojca at macports.org

Links to individual build jobs:
- ports-10.14_x86_64-builder #42183
  https://build.macports.org/builders/ports-10.14_x86_64-builder/builds/42183
- ports-10.14_x86_64-builder #42184
  https://build.macports.org/builders/ports-10.14_x86_64-builder/builds/42184
- ports-10.14_x86_64-builder #42185
  https://build.macports.org/builders/ports-10.14_x86_64-builder/builds/42185

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