Build Failure on ports-10.6_i386: grpc

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.6_i386
Full logs:    https://build.macports.org/builders/ports-10.6_i386-watcher/builds/1991
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    grpc
Subport list:
	- grpc
Variants:     None
Revision:     1093e3eff102eb6c84537bc48b779dff0fad56dc
Build time:   0:07:42
Author:       Joshua Root <jmr at macports.org>

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

Broken ports:
	- grpc

Links to individual build jobs:
- ports-10.6_i386-builder #4829
  https://build.macports.org/builders/ports-10.6_i386-builder/builds/4829

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