Rust Build Environment - kukgini/osx GitHub Wiki
xcode-select --install
curl -sSf https://sh.rustup.rs | sh -s -- -y
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
brew install pkg-config
brew install automake
brew install autoconf
brew install cmake
brew install libtool
source ~/.cargo/env