Build Failure on ports-10.6_x86_64_legacy: grpc

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.6_x86_64_legacy
Full logs:    https://build.macports.org/builders/ports-10.6_x86_64_legacy-watcher/builds/13151
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    grpc
Subport list:
	- grpc
Variants:     None
Revision:     b168c4e0d605fb1626dbc0984ac5402348756216
Build time:   0:08:49
Author:       Stephen Larew <stephen at slarew.net>

Log from failed builds:
	Building 'grpc' ... [ERROR]
	> maintainers: .

Broken ports:
	- grpc

Links to individual build jobs:
- jobs-mirror #1301
  https://build.macports.org/builders/jobs-mirror/builds/1301

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