Or not obviously at least. Following third_party/libxslt/chromium/roll.py

c:\src\cr\src>third_party\libxslt\chromium\roll.py --win32
Microsoft (R) Windows Script Host Version 5.812
Copyright (C) Microsoft Corporation. All rights reserved.

c:\src\cr\src\third_party\libxslt\src\win32\configure.js(156, 2) Microsoft JScript runtime error: File not found

was in c:\src\cr\src\third_party/libxslt; c:\src\cr\src before that
Traceback (most recent call last):
  File "C:\src\cr\src\third_party\libxslt\chromium\roll.py", line 407, in <module>
    main()
  File "C:\src\cr\src\third_party\libxslt\chromium\roll.py", line 401, in main
    roll_libxslt_win32(src_dir)
  File "C:\src\cr\src\third_party\libxslt\chromium\roll.py", line 341, in roll_libxslt_win32
    shutil.copy('src/config.h', 'win32/config.h')
  File "C:\Python27\lib\shutil.py", line 119, in copy
    copyfile(src, dst)
  File "C:\Python27\lib\shutil.py", line 82, in copyfile
    with open(src, 'rb') as fsrc:
IOError: [Errno 2] No such file or directory: 'src/config.h'


configure.js is looking for configure.in, but that doesn't seem to exist. Maybe it's just me and I was supposed to generate it somehow.