[boost] bjam boost build on windows - changing the path strategy (stage)

I would like to build boost into a prefix directory (.\b2.exe --prefix=C:\prefix) containing "C:\prefix\include\boost\..." and "C:\prefix\lib", just like the linux build does. On Windows it builds into ""C:\prefix\include\boost-1_66\boost\..." instead - is there a bjam control to get rid of the version in the prefix include path for header copies? - Jim