#A4# #No waflib directory raise an error# #End# #Start# #Does the environment variable 'WAFDIR' point at a folder containing 'waflib' ?# #yes # #no# #yes # #no# #Does the folder of 'waf' contain a directory named 'waflib' ?# #Unpack the binary stream contained in 'waf'# #yes # #yes # #no# #no# #Was the local library .waf-1.6-version extracted from the 'waf' script?# #Is the local library usable?#