437a438,444
> def ExtraPathValidator(key, val, env):
> paths = val.split(':')
> for path in paths:
> path = os.path.expanduser(path)
> if not isdir(path):
> raise AttributeError, "Invalid path: '%s'" % path
>
464c471,473
< '%s:%s' % (sys.prefix, sys.exec_prefix))
---
> '%s:%s' % (sys.prefix, sys.exec_prefix)),
> ('EXTRAS', 'Add Extra directories to the compilation', '',
> ExtraPathValidator)
615a625,626
> env['BUILDDIR'] = build_path
>