Build Failure on ports-10.7_x86_64_legacy: gcc6, libgcc6, libgcc7

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.7_x86_64_legacy
Full logs:    https://build.macports.org/builders/ports-10.7_x86_64_legacy-watcher/builds/24440
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    gcc7 gcc6 gcc9 gcc8
Subport list:
	- libgcc7
	- libgcc6
	- gcc6
Variants:     None
Revision:     cac02e0a97f2d7af9f8526b88631d1c3aca8ebf8
Build time:   1:11:06
Author:       Chris Jones <jonesc at macports.org>

Log from failed builds:
	Building 'libgcc7' ... [ERROR]
	> maintainers: .
	Building 'libgcc6' ... [ERROR] (failed to install dependency 'libgcc7')
	> maintainers: .
	Building 'gcc6' ... [ERROR] (failed to install dependency 'libgcc7')
	> maintainers: .

Broken ports:
	- gcc6
	- libgcc6
	- libgcc7

Links to individual build jobs:
- ports-10.7_x86_64_legacy-builder #101584
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/101584
- ports-10.7_x86_64_legacy-builder #101585
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/101585
- ports-10.7_x86_64_legacy-builder #101586
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/101586

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