if x11_dep.found()

  # XShm is only used by ximage and xvimage

  # FIXME: Need to check for XShmAttach inside libXext

  xshm_dep = dependency('xext', required : get_option('xshm'))

  core_conf.set('HAVE_XSHM', xshm_dep.found())

  subdir('ximage')

  subdir('xvimage')

endif