message: Experimental support for emitting compile_commands.json from waf
diff: @@ -54,6 +54,7 @@ def options(opt):
  def configure(conf):
  conf.load('compiler_cxx')
  conf.check(header_name='stdio.h', features='cxx cxxprogram', mandatory=True)
  + conf.load('clang_compilation_database', tooldir='.')
  # Download and save the compressed tarball as |compressed_file_name|.
  if not os.path.isfile(CLANG_TARBALL_LOCAL_PATH):
  