use standard Qt (5.15.3 on 22.04)

release_scripts/linux/build.sh

@@ -17,7 +17,7 @@
 initializeVariables()
 {
   APPLICATION_NAME="OpenBoard"
-  STANDARD_QT_USED=false
+  STANDARD_QT_USED=true
 
   # Root directory
   SCRIPT_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
@@ -26,7 +26,7 @@ initializeVariables()
   PRODUCT_PATH="$BUILD_DIR/product"
 
   # Qt installation path. This may vary across machines
-  QT_PATH="/home/dev/Qt/5.15.0/gcc_64"
+  QT_PATH="/usr/lib/x86_64-linux-gnu/qt5"
   PLUGINS_PATH="$QT_PATH/plugins"
   GUI_TRANSLATIONS_DIRECTORY_PATH="/usr/share/qt5/translations"
   QMAKE_PATH="$QT_PATH/bin/qmake"
@@ -39,8 +39,7 @@ initializeVariables()
     ARCHITECTURE=`uname -m`
     if [ $ARCHITECTURE == "x86_64" ]; then
         ARCHITECTURE="amd64"
-    fi
-    if [$ARCHITECTURE == "armv7l" ]; then
+    elif [$ARCHITECTURE == "armv7l" ]; then
         $ARCHITECTURE="armhf"
         QT_PATH="/usr/lib/arm-linux-gnueabihf/qt5"
     fi

release_scripts/linux/package.sh

@@ -85,13 +85,13 @@ initializeVariables()
 
   # Include Qt libraries and plugins in the package, or not
   # (this is necessary if the target system doesn't provide Qt 5.5.1)
-  BUNDLE_QT=true
+  BUNDLE_QT=false
 
   # Qt installation path. This may vary across machines
-  QT_PATH="/home/dev/Qt/5.15.0/gcc_64"
+  QT_PATH="/usr/lib/x86_64-linux-gnu/qt5"
   QT_PLUGINS_SOURCE_PATH="$QT_PATH/plugins"
   GUI_TRANSLATIONS_DIRECTORY_PATH="/usr/share/qt5/translations"
-  QT_LIBRARY_SOURCE_PATH="$QT_PATH/lib"
+  QT_LIBRARY_SOURCE_PATH="$QT_PATH/.."
 
   NOTIFY_CMD=`which notify-send`
   ZIP_PATH=`which zip`