sAttrs = win32security.SECURITY_ATTRIBUTES()
NameError: global name 'win32security' is not defined
scons: building terminated because of errors.
I copied this from scons wiki and it is working on my system. Anyway, I do not see this sAttrs being used anywhere so please try to remove it. You can also try to disable this longarg (line 762 of SConstruct) option completely. (The point is that the command line may be too long to overflow some internal buffer...) Bo
