message: set rpath for mac when --use-system-clang
diff: @@ -242,6 +242,9 @@ def build(bld):
  # Fallback for windows
  default_resource_directory = os.path.join(os.getcwd(), 'clang_resource_dir')
  if bld.env['use_system_clang']:
  + if sys.platform == 'darwin':
  + rpath = bld.env['LIBPATH_clang'][0]
  + else:
  rpath = []
  devnull = '/dev/null' if sys.platform != 'win32' else 'NUL'
  