bundlers/appimage: Use linuxdeployqt tool to gather needed shared libs

Instead of using complex bash commands, prefer to use the more reliable
linuxdeployqt tool to collect, copy and fix all required shared libs in
Talipot AppImage directory.

bundlers/linux/make_appimage_bundle.sh.in

@@ -8,14 +8,7 @@ TALIPOT_INSTALL_DIR=@CMAKE_INSTALL_PREFIX@
 OUTPUT_DIR=/tmp
 QMAKE=@QT_QMAKE_EXECUTABLE@
 
-centos7=true
-if grep -q "CentOS Linux release 8" /etc/centos-release
-then
-  centos7=false
-fi
-
-usage()
-{
+usage() {
   echo "Usage: $(basename $0) [OPTIONS]"
   cat <<EOF
 Options:
@@ -64,13 +57,6 @@ echo "#!/bin/sh" > $APPRUN_FILE
 echo "BUNDLE_DIR=\"\$(dirname \$0)\"" >> $APPRUN_FILE
 echo "export PYTHONHOME=\${BUNDLE_DIR}/usr" >> $APPRUN_FILE
 echo "export TLP_DIR=\${BUNDLE_DIR}/usr/lib" >> $APPRUN_FILE
-if [ "$centos7" = true ]
-then
-  # configure GDK2 for AppImage environment
-  # (needed for qt5 gtk3 platformthemes plugin)
-  echo "export GDK_PIXBUF_MODULE_FILE=\
-\${BUNDLE_DIR}/usr/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache" >> $APPRUN_FILE
-fi
 echo "\${BUNDLE_DIR}/usr/bin/talipot \$*" >> $APPRUN_FILE
 chmod 755 $APPRUN_FILE
 
@@ -105,35 +91,13 @@ rm -rf $BUNDLE_LIB_DIR/cmake
 echo "copying $TALIPOT_INSTALL_DIR/share files into $BUNDLE_SHARE_DIR"
 cp -Rp $TALIPOT_INSTALL_DIR/share $BUNDLE_USR_DIR
 
-# copy required qt plugins
-mkdir $BUNDLE_USR_DIR/plugins
-cp -v -Rp @QT_PLUGINS_DIR@/imageformats $BUNDLE_USR_DIR/plugins
-cp -v -Rp @QT_PLUGINS_DIR@/platforms $BUNDLE_USR_DIR/plugins
-if [ "$centos7" = true ]
-then
-  cp -v -Rp @QT_PLUGINS_DIR@/platformthemes $BUNDLE_USR_DIR/plugins
-fi
-cp -v -Rp @QT_PLUGINS_DIR@/xcbglintegrations $BUNDLE_USR_DIR/plugins
-
-if [ "$centos7" = true ]
-then
-  # add gdk-2.0 plugins directory (needed for qt5 gtk3 platformthemes plugin)
-  cp -v -Rp /usr/lib64/gdk-pixbuf-2.0 $BUNDLE_LIB_DIR
-fi
-
 # copy graphviz plugins needed by talipot plugins wrapping graphviz layouts
 cp -v -Rp /usr/lib64/graphviz $BUNDLE_LIB_DIR/graphviz
 
 # set up LD_LIBRARY_PATH with the installation path of the Qt libs used
 export QT_INSTALL_LIBS_DIR=$(${QMAKE} -query QT_INSTALL_LIBS)
 export LD_LIBRARY_PATH=${QT_INSTALL_LIBS_DIR}:${LD_LIBRARY_PATH}
 
-# copy talipot needed libs
-pushd $BUNDLE_DIR > /dev/null 2>&1
-ldd $BUNDLE_BIN_DIR/talipot | grep "=> /" | awk '{print $3}' | \
-  grep -v talipot | xargs -I '{}' cp -v '{}' ./usr/lib || true
-popd > /dev/null 2>&1
-
 # extend LD_LIBRARY_PATH to ensure PYTHON_LIBRARY can be found
 # even if a non standard installation is in use
 export LD_LIBRARY_PATH=$(dirname @PYTHON_LIBRARY@):$LD_LIBRARY_PATH
@@ -166,48 +130,15 @@ if [ "$PYTHON_LIB" != "" ]; then
   popd > /dev/null 2>&1
 fi
 
-function looking_for_plugin_dependencies() {
-  LIBS_DIR=$1
-  for PLUGIN in $(find $LIBS_DIR -name "*.so")
-  do
-    echo "looking for $(basename $PLUGIN) dependencies"
-    for LIB in $(ldd $PLUGIN | grep "=> /" | awk '{print $3}')
-    do
-      if [ ! -e $BUNDLE_LIB_DIR/$(basename $LIB) ]; then
-        cp -v --preserve=mode $LIB $BUNDLE_LIB_DIR
-      fi
-    done
-  done
-}
-
-# copy other common libs needed by talipot plugins
-looking_for_plugin_dependencies $BUNDLE_LIB_DIR/talipot
-
-# copy other common libs needed by qt plugins
-looking_for_plugin_dependencies $BUNDLE_USR_DIR/plugins
+# copy required shared libs using linuxdeployqt tool
+wget "https://github.com/probonopd/linuxdeployqt/releases/download/\
+continuous/linuxdeployqt-continuous-x86_64.AppImage"
+chmod a+x linuxdeployqt-continuous-x86_64.AppImage
 
-# copy other common libs needed by graphviz plugins
-looking_for_plugin_dependencies $BUNDLE_LIB_DIR/graphviz
-
-# copy other common libs needed by python modules
-looking_for_plugin_dependencies $PYTHON_PACKAGE_BUNDLE_DIR/lib-dynload
+./linuxdeployqt-continuous-x86_64.AppImage --appimage-extract-and-run \
+  $BUNDLE_BIN_DIR/talipot -bundle-non-qt-libs -no-translations
 
 pushd $BUNDLE_LIB_DIR > /dev/null 2>&1
-# remove unneeded libs
-LIBS=$(ls libc.* libdbus*.* libdl.* libdrm.* libexpat.* libEGL.* \
-libfontconfig.* libfreetype.* libgio-*.* libglib-*.* libgmodule-*.* libgobject-*.* \
-libgcc_s.* libGL.* libGLdispatch.* libharfbuzz.* libm.* libnsl.* libpthread.* libresolv.* \
-librt.* libstdc++.* libutil.*  libuuid.* libxcb*.* libX*.* libz.* 2> /dev/null)
-if [ "$LIBS" != "" ]; then
-  rm $LIBS
-fi
-
-if [ "$centos7" = false ]
-then
-  # copy some missing libs
-  cp -v --preserve=mode $(/sbin/ldconfig -p | grep libxcb-xinput.so | \
-    cut -d ">" -f 2 | xargs) .
-fi
 
 popd > /dev/null 2>&1
 
@@ -218,11 +149,3 @@ pushd $BUNDLE_USR_DIR > /dev/null 2>&1
 ln -s lib @CMAKE_INSTALL_LIBDIR@ 2>/dev/null
 
 popd > /dev/null 2>&1
-
-# tweak OS/ABI header part of libraries (System V instead of Linux)
-for LIB in $(find $BUNDLE_LIB_DIR -name '*.so*')
-do
-  # LIB may be in read only mode, make it writable before stripping it
-  chmod +w $LIB
-  strip --strip-unneeded $LIB
-done