y'll
    consume.
  </p>

  <p>
    For example, the go compiler expects you to explicitly pass your sources
    (e.g. <code class="code">go tool compile foo.go bar.go</code>), however it
    discovers its dependencies through configuration (e.g. by looking at the
    GOPATH).
  </p>

  <p>
    As such, dependencies don't have any corresponding environment variables
    associated with them.
  </p>
</section>

<section class="mt4">
  <h2 class="title-2" id="tools">Tools</h2>

  <p>
    Tools are the things 