title: Compile Gstreamer/orc 0.4.32 on ubuntu1804 for arm running in rootfs using ninja occur undefined reference exception
body: <p>I am trying to compile gstreamer/orc on ubuntu_1804 for arm which running on rootfs my android mobile phone, but something wrong like this:</p>
  <p>I tried some option (-j 1) to make it compile with single thread, but still not working.</p>
  <p><img src="https://i.stack.imgur.com/v5oPE.png" alt="error info" /></p>