fm-build-script

     mkdir -p appdir/usr/bin
     cp ./linux-bin/fmreceiver-3.1 appdir/usr/bin/fmreceiver
     mkdir -p appdir/usr/lib
     mkdir -p appdir/usr/share/applications
     cp fmreceiver.desktop appdir/usr/share/applications
     cp fmreceiver.png appdir/fmreceiver.png
     touch appdir/fmreceiver.png
     mkdir -p ./appdir/usr/share/icons/hicolor/256x256/apps
     cp fmreceiver.png appdir/usr/share/icons/hicolor/256x256/apps
     ls -l appdir/usr/lib
     ls -l
     ls -l appdir
     ls -l appdir/usr
     ls -l appimage
     wget -c "https://github.com/probonopd/linuxdeployqt/releases/download/continuous/linuxdeployqt-continuous-x86_64.AppImage"
     chmod a+x linuxdeployqt*.AppImage
     unset QTDIR; unset QT_PLUGIN_PATH ; unset LD_LIBRARY_PATH
     ./linuxdeployqt*.AppImage ./appdir/usr/share/applications/* -bundle-non-qt-libs
     ./linuxdeployqt*.AppImage --appimage-extract
     find appdir/usr/plugins/ -type f -exec squashfs-root/usr/bin/patchelf --set-rpath '$ORIGIN/../../lib' {} \;
     ./linuxdeployqt*.AppImage ./appdir/usr/share/applications/* -bundle-non-qt-libs
     chmod a+x appimage/* ; rm appdir/AppRun; cp appimage/* appdir/
     export PATH=squashfs-root/usr/bin/:$PATH  # Make it pick up our private patched mksquashfs; https://github.com/plougher/squashfs-tools/pull/13/files
     squashfs-root/usr/bin/appimagetool $(readlink -f ./appdir/)