support-graphics(guile):
support-guile: support-threads
support-maths:
support-utils:
support-threads:
support-timing: support-utils
support-window(guile):
libs-message(guile): libs-timing support-utils
libs-timing(guile): support-timing support-threads
libs-scene(guile): support-maths libs-message
libs-graphics(guile): libs-scene support-graphics
