anchor.diff:    :author "Pavel Korolev"
     :mailto "dev@borodust.org"
     :license "MIT"
  +  :defsystem-depends-on (cl-bodge-support)
     :class bodge-system
     :requires (bodge-blobs/canvas)
     :depends-on (cl-bodge/engine cl-bodge/utils cl-bodge/graphics
  
positive.code:   :author "Pavel Korolev"
    :mailto "dev@borodust.org"
    :license "MIT"
    :class bodge-system
    :requires (bodge-blobs/physics)
    :depends-on (cl-bodge/engine bodge-ode log4cl bodge-autowrap bodge-plus-c local-time)
  
negative.code:   :author "Pavel Korolev"
    :mailto "dev@borodust.org"
    :license "MIT"
    :defsystem-depends-on (cl-bodge-support)
    :class bodge-system
    :requires (bodge-blobs/host)
    :depends-on (cl-bodge/engine cl-bodge/utils cl-glfw3 log4cl bordeaux-threads
  