[Boost-build] propagation of usage-requirements to exe targets

From: Ilya Sokolov (fal_delivery_at_[hidden])
Date: 2006-06-10 03:05:55

i need to propagate usage-reqs of my library to exe targets only, and 
not to lib targets, i.e. something like this:
   # ...
   : # usage-requirements
     <target-type>exe:<define>asdf
   # ...
what should i do?