ghostscript.xml

<?xml version="1.0" encoding="UTF-8"?>
<packages:packages xmlns:packages="http://www.wpkg.org/packages">

  <package id="ghostscript" name="GhostScript" revision="%version%.1" reboot="false" priority="71" >
    <variable name="version" value="9.52" />
    <variable name="fileversion" value="952" />
    <check type="uninstall" condition="versiongreaterorequal" path="GPL Ghostscript" value="%version%" />

    <install cmd='%WPKGSOFTWARE%\ghostscript\gs%fileversion%w64.exe /S' />

    <upgrade include="remove" />
    <upgrade include="install" />

    <remove cmd='cmd /c %WPKGSOFTWARE%\wpkg\tools\waitforprocess.cmd Un_A.exe' />
    <remove cmd='"%programfiles%\gs\gs%version%\uninstgs.exe" /S' />
    <remove cmd='cmd /c %WPKGSOFTWARE%\wpkg\tools\waitforprocess.cmd Un_A.exe' />
  </package>

</packages:packages>