[haiku-development] Adding Screen Savers to Haiku

Hello All,
I am trying to add a new screen saver to the Haiku source. I've placed the files in "src/add-ons/screen_savers/leaves/". When I run jam in the source directory the only output is "...found 10 target(s)..." but nothing is compiled. The jam file is attached. If anyone has any ideas why this is not compiling I would appreciate the help. 

Thanks,
Bill

SubDir HAIKU_TOP src add-ons screen_savers leaves ;

SetSubDirSupportedPlatformsBeOSCompatible ;

AddResources Leaves : Leaves.rdef

ScreenSaver Leaves :
        Leaves.cpp
        : be libscreensaver.so ;

Package haiku-screensaverkit-cvs :
        Leaves :
        boot home config add-ons Screen\ Savers ;

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