If you want to understand how compile gorocksdb, please visit original repo. this repo adding the go module. I'm used the rocksdb works as persisted storage in my distributed cache.
In macOS, doesn't need complie rocksdb, only need install rocksdb by homebrew:
brew install rocksdb
Once installed, you would see DLL librocksdb.6.7.dylib and librocksdb.6.7.3.dylib in directory /usr/local/lib.