- brew install llvm@13 - export SDKROOT=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk xcrun --show-sdk-path - export LDFLAGS="-L/usr/local/opt/llvm@13/lib -L/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib" - export LIBRARY_PATH="$LIBRARY_PATH:/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib" ```shell export PATH=/usr/local/opt/flex/bin:/usr/local/opt/llvm/bin:$PATH export SDKROOT=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk export LIBRARY_PATH="$LIBRARY_PATH:/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib" export LDFLAGS="-L/usr/local/opt/llvm/lib" export CPPFLAGS="-I/usr/local/opt/llvm/include" export CFLAGS="-I/usr/local/opt/llvm/include" ```