Github user JonZeolla commented on the issue:
https://github.com/apache/metron/pull/849
Ran on a purposefully misconfigured macOS system. Is this the expected
output?
```
--
g++
xcrun: error: invalid active developer path
(/Library/Developer/CommandLineTools), missing xcrun at:
/Library/Developer/CommandLineTools/usr/bin/xcrun
--
xcrun: error: invalid active developer path
(/Library/Developer/CommandLineTools), missing xcrun at:
/Library/Developer/CommandLineTools/usr/bin/xcrun
Warning: Compiler is NOT C++11 compliant
--
```
---