Include paths are processed from left to right, so we use Prepend to ensure that paths to bundled thirdparty files will have precedence over system paths (e.g. `/usr/include` should have lowest priority).
Include paths are processed from left to right, so we use Prepend to ensure that paths to bundled thirdparty files will have precedence over system paths (e.g. `/usr/include` should have lowest priority).