add clarification for granting permission in travis
@@ -6,6 +6,8 @@ env:
- GO111MODULE=on
before_install:
+ # for some reason changing /usr/local requires sudo in travis, the following gives write access
+ # to all files and folders under /usr/local recursively, required for installing protobuf:
- sudo find /usr/local -exec chmod a+w {} \;
- make prepare
