Don't compile with cgo

<p>Is there a way to fail the build if the compiled package uses cgo or cgo is used somewhere down the dependency tree?</p> <hr/>**评论：**<br/><br/>egonelbre: <pre><p><code>CGO_ENABLED=0</code> see more in <a href="https://golang.org/cmd/cgo/">https://golang.org/cmd/cgo/</a></p></pre>gohacker: <pre><p>Thanks.</p></pre>EdiX: <pre><p><code>CGO_ENABLED=0 go build ...</code>or add a file to the project with the build tag cgo that references a non-existent symbol.</p></pre>