Fix CacheDir by simplifying how the NullEnvironment hands back something that looks enough like a CacheDir object that the rest of the code doesn't require special handling.
Fix CacheDir by simplifying how the NullEnvironment hands back something
that looks enough like a CacheDir object that the rest of the code
doesn't require special handling.



azatoth/scons,azatoth/scons,azatoth/scons,azatoth/scons,azatoth/scons