--- Pentablet_Driver.sh	2018-05-17 11:09:26.000000000 +0200
+++ Pentablet_Driver.sh.new	2019-12-03 23:26:07.648552499 +0100
@@ -1,10 +1,15 @@
 #!/bin/sh
-appname=`basename $0 | sed s,\.sh$,,`
-dirname=`dirname $0`
+if [[ -L $0 ]]; then
+    script_launch="$(readlink -f $0)"
+else
+    script_launch="$0"
+fi
+appname="$( basename "${script_launch}" | sed s,\.sh$,, )"
+dirname="$( dirname "${script_launch}" )"
 tmp="${dirname#?}"
 if [ "${dirname%$tmp}" != "/" ]; then
-dirname=$PWD/$dirname
+    dirname="$PWD/$dirname"
 fi
-LD_LIBRARY_PATH=$dirname/lib
-export LD_LIBRARY_PATH
-$dirname/$appname "$@"
+LD_LIBRARY_PATH="/usr/lib:/usr/lib/qt/plugins"
+export "LD_LIBRARY_PATH"
+pkexec "$dirname/$appname" "$@"