No, you will just need to fetch a savane pre-requisite: Savane::Util. Anyway, I just added some code to configure.ac to set Savane::Util version in Savane::Version.pm.in. ExtUtils::MakeMaker picks up the change without hassle. And changed the name of the distribution from Savane to Savane::Util in Makefile.PL.
Savane::Util is still under lib/, and I made it so that it is properly nested like a Perl distribution should be. This is the second time I have seen an improperly nested Perl distribution "in the wild."