Followup-For: Bug #801337 The version is actually 0.18.3-1. Also, FWIW, I got the Makefile.am from git://repo.or.cz/cloog.git and ran get_submodules.sh so it downloaded directories isl and osl. Then I just got Makefile.am from isl/interface and created a patch on the Debian pkg.
Regards. Fernando