title: Quarkus Getting Started project failed to produce native image
body: <p>I followed the instructions on <a href="https://quarkus.io/guides/building-native-image-guide" rel="nofollow noreferrer">https://quarkus.io/guides/building-native-image-guide</a> but it failes with the error message "Failed to generate a native image"</p>
  
  <p>I work on MacOS, having installed Maven 3.6.0.
  The result of the command </p>
  
  <pre><code>mvn package -Pnative
  </code></pre>
  
  <p>ends up with the following error message:</p>
  
  <pre><code>Error: Error compiling query code (in /var/folders/cm/t91m64zj34d757jrhx6r3lz9kl946h/T/SVM-4468965107592954019/LibFFIHeaderDirectives.c). Compiler command  gcc -I/Applications/graalvm-ce-1.0.0-rc14/Contents/Home/jre/lib/svm/clibraries/darwin-amd64/include /var/folders/cm/t91m64zj34d757jrhx6r3lz9kl946h/T/SVM-4468965107592954019/LibFFIHeaderDirectives.c -o /var/folders/cm/t91m64zj34d757jrhx6r3lz9kl946h/T/SVM-4468965107592954019/LibFFIHeaderDirectives output included error: xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
  Error: Use -H:+ReportExceptionStackTraces to print stacktrace of underlying exception
  Error: Image building with exit status 1
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD FAILURE
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time:  18.764 s
  [INFO] Finished at: 2019-04-04T16:39:27+02:00
  [INFO] ------------------------------------------------------------------------
  [ERROR] Failed to execute goal io.quarkus:quarkus-maven-plugin:0.12.0:native-image (default) on project getting-started: Failed to generate a native image: Failed to build native image: Image generation failed -&gt; [Help 1]
  </code></pre>
  
  <p>Any ideas  what's the issue ?</p>