making hard links in pyzgoubi-0.4dev... hard linking AUTHORS -> pyzgoubi-0.4dev error: Invalid cross-device link Traceback (most recent call last): File "./setup.py", line 44, in cmdclass={'build_doc': BuildDoc}, File "/opt/python/python-2.6.2/lib/python2.6/distutils/core.py", line 152, in setup dist.run_commands() File "/opt/python/python-2.6.2/lib/python2.6/distutils/dist.py", line 975, in run_commands self.run_command(cmd) File "/opt/python/python-2.6.2/lib/python2.6/distutils/dist.py", line 995, in run_command cmd_obj.run() File "/opt/python/python-2.6.2/lib/python2.6/distutils/command/sdist.py", line 152, in run self.make_distribution() File "/opt/python/python-2.6.2/lib/python2.6/distutils/command/sdist.py", line 459, in make_distribution self.make_release_tree(base_dir, self.filelist.files) File "/opt/python/python-2.6.2/lib/python2.6/distutils/command/sdist.py", line 440, in make_release_tree self.copy_file(file, dest, link=link) File "/opt/python/python-2.6.2/lib/python2.6/distutils/cmd.py", line 376, in copy_file dry_run=self.dry_run) File "/opt/python/python-2.6.2/lib/python2.6/distutils/file_util.py", line 157, in copy_file os.link(src, dst) OSError: [Errno 18] Invalid cross-device link