message: On python 3.8+ call os.add_dll_directory in documentation build
  * This nonsense is needed to load the renderdoc.dll from the python module,
  because python broke normal windows DLL loading behaviour.
diff: @@ -39,6 +39,10 @@ sys.path.insert(0, os.path.abspath(binpath + 'Release/pymodules'))
  os.environ["PATH"] += os.pathsep + os.path.abspath(binpath + 'Development/')
  os.environ["PATH"] += os.pathsep + os.path.abspath(binpath + 'Release/')
  +if sys.platform == 'win32' and sys.version_info[1] >= 8:
  + os.add_dll_directory(binpath + 'Release/')
  + os.add_dll_directory(binpath + 'Development/')
  +
  # path to module libraries for linux
  sys.path.insert(0, os.path.abspath('../build/lib'))
  