message: [waf] Use {str,bytes}.decode to make it compatible with Python 2/3
diff: @@ -201,7 +201,7 @@ def build(bld):
  if bld.env['use_system_clang']:
  rpath = []
  - output = subprocess.check_output(['clang', '-###', '-xc', '/dev/null'], stderr=subprocess.STDOUT)
  + output = subprocess.check_output(['clang', '-###', '-xc', '/dev/null'], stderr=subprocess.STDOUT).decode()
  match = re.search(r'"-resource-dir" "([^"]*)"', output, re.M | re.I)
  if match:
  default_resource_directory = match.group(1)
  