message: Check if ocloc is installed in lit config
diff: import os
  +import subprocess
  from distutils.version import LooseVersion
  import lit.formats
  @@ -96,3 +97,11 @@ elif genx_enabled == "OFF":
  print("GENX_ENABLED: NO")
  else:
  sys.exit("Cannot parse genx_enabled: " + genx_enabled)
  +
  +# Ocloc
  +status, output = subprocess.getstatusoutput("ocloc")
  +if status == 0:
  + print("OCLOC_INSTALLED: YES")
  + config.available_features.add("OCLOC_INSTALLED")
  +else:
  + print("OCLOC_INSTALLED: NO")
  