- Run
brew install llvm --HEAD
. - Update certain shell variables:
# Prefer newer LLVM with fuzzing enabled
# shellcheck source=/dev/null
export CC='clang'
export CXX='clang++'
export LDFLAGS="-L/usr/local/opt/llvm/lib -Wl,-rpath,/usr/local/opt/llvm/lib"
PATH="$(brew --prefix)/opt/llvm/bin:$PATH"