> Actually, those are for non-directory flags, e.g. debugging, > optimization etc. scons uses CPPPATH and LIBPATH for the search paths. In scons yes, since it is rather more sophisticated than other systems in that regards.
> Well, you can't do that, because you can't pass arguments multiple > times > to scons, but as of r554 it will accept 'include' and 'lib' options to > add to the include and library paths respectively. If you want to add > multiple directories, you can join them with the ':' character (';' on > Windows) as per usual. BTW, apparently Options is deprecated and one is supposed to use Variables instead. There is a ListVariable which might be able to do the right thing (allow a list of validated directories), but I can't really tell from the documentation as it is exceedingly minimal.
Anyway, this is a good step. Thanks.