mitake@mitake-mbp:~/go/src/github.com/lazywei/go-opencv/samples(master○) » go run hellocv.go
# github.com/lazywei/go-opencv/opencv
error: unable to create target: 'No available targets are compatible with this triple.'
1 error generated.
$ brew install llvm
$ echo 'export PATH="/usr/local/opt/llvm/bin:$PATH"' >> ~/.zshrc
$ source ~/.zshrc