title: /usr/lib/x86_64-linux-gnu/libQt5Core.so.5: version `Qt_5.7' not found (required by emulator64-x86)
body: <p>I've compile the android source
  source ./build/envsetup.sh
  lunch aosp_x86_64-eng</p>
  
  <p>when I run emulator64-x86 in terminal, error occur:</p>
  
  <pre><code>emulator64-x86: /usr/lib/x86_64-linux-gnu/libQt5Core.so.5: version `Qt_5.7' not found (required by emulator64-x86)
  
  emulator64-x86: /usr/lib/x86_64-linux-gnu/libQt5Core.so.5: version `Qt_5' not found (required by emulator64-x86)
  
  emulator64-x86: /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5: version `Qt_5' not found (required by emulator64-x86)
  
  emulator64-x86: /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5: version `Qt_5' not found (required by emulator64-x86)
  </code></pre>
  
  <p>I've found qt in </p>
  
  <blockquote>
    <p>/home/wanyu/work/aosp/prebuilts/android-emulator/linux-x86_64/lib64/qt/</p>
  </blockquote>
  
  <p>this directory include libQt5Core.so.5.7, libQt5Widgets.so.5.7 etc.</p>
  
  <p>but libQt5Core.so in </p>
  
  <blockquote>
    <p>/usr/lib/x86_64-linux-gnu/</p>
  </blockquote>
  
  <p>version is 5.5</p>
  
  <p>I've tried to set LD_LIBRARY_PATH to:</p>
  
  <blockquote>
    <p>/home/wanyu/work/aosp/prebuilts/android-emulator/linux-x86_64/lib64/</p>
  </blockquote>
  
  <p>but the error still occur.</p>
  
  <p>Copying the libQt5Core.so.5 to </p>
  
  <blockquote>
    <p>/usr/lib/x86_64-linux-gnu/</p>
  </blockquote>
  
  <p>will solve this error, but qt platform plugin libqxcb won't work.</p>
  
  <p>How I can change the lib path to the </p>
  
  <blockquote>
    <p>/home/wanyu/work/aosp/prebuilts/android-emulator/linux-x86_64/lib64</p>
  </blockquote>
  
  <p>when I run emulator64-x86?</p>