Revert "Allow tests to specify a package root."

dart/tools/make_links.py

-#!/usr/bin/env python
-# Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-# for details. All rights reserved. Use of this source code is governed by a
-# BSD-style license that can be found in the LICENSE file.
-
-
-'''Tool for creating symlinks from SOURCES to TARGET.
-
-For each SOURCE in SOURCES create a link from SOURCE to TARGET.  If a
-SOURCE ends with .../lib, the lib suffix is ignored when determining
-the name of the target link.
-
-Usage:
-  python tools/make_links.py TARGET SOURCES...
-'''
-
-import os
-import subprocess
-import sys
-import utils
-
-
-def make_link(source, target):
-  if utils.GuessOS() == 'win32':
-    return subprocess.call(['mklink', '/j', target, source])
-  else:
-    return subprocess.call(['ln', '-s', source, target])
-
-
-def main(argv):
-  target = argv[1]
-  for source in argv[2:]:
-    # Assume the source directory is named ".../TARGET_NAME/lib".
-    (name, lib) = os.path.split(source)
-    if lib != 'lib':
-      name = source
-    # Remove any addtional path components preceding TARGET_NAME.
-    (path, name) = os.path.split(name)
-    exit_code = make_link(os.path.relpath(source, start=target),
-                          os.path.join(target, name))
-    if exit_code != 0:
-      return exit_code
-  return 0
-
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv))