Build Failure on ports-10.5_ppc_legacy: tbb

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.5_ppc_legacy
Full logs:    https://build.macports.org/builders/ports-10.5_ppc_legacy-watcher/builds/16473
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    tbb xar iTerm2 lz4 tigervnc zmq
Subport list:
	- tbb
Variants:     None
Revision:     521bf8e76904dc3fc7d9af9e800e44ec1517baf2
Build time:   0:02:29
Author:       Chris Jones <jonesc at macports.org>

Log from failed builds:
	Building 'tbb' ... [ERROR] (failed to calculate dependencies)
	> maintainers: .

Broken ports:
	- tbb

Links to individual build jobs:
- ports-10.5_ppc_legacy-builder #71972
  https://build.macports.org/builders/ports-10.5_ppc_legacy-builder/builds/71972

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MacPorts Buildbot
https://build.macports.org/