[MERGE #1072] cross-platform: Improve clang error reporting with build.sh
[MERGE #1072] cross-platform: Improve clang error reporting with build.sh

Merge pull request #1072 from obastemur:build_sh
Fixes #954

mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore