Original sentence: Because some major GNU/Linux distributions do not, several dedicated individuals have decided to help the community by providing unofficial 3rd-party builds of cdrtools.GPL allows code with different licenses to be aggregated as collective works in the same distribution when one is not derived from the other, but not for software that makes a derivative work such as statically linked code, so Debian developers decided that the files under the CDDL license were incompatible with their distribution and removed them.Many operating system vendors, but not all, do distribute cdrtools
Edited sentence: - reply by Jörg Schilling.GPL allows code with different licenses to be aggregated as collective works in the same distribution when one is not derived from the other, but not for software that makes a derivative work.Several operating system vendors, but not all, do distribute cdrtools.Unofficial 3rd-party builds of cdrtools exist.Whether linking to GPL code constitutes a derivative work is open to debate; Debian developers decided, according to the point of view that dynamic and static linking violate GPL, that the files under the CDDL license were incompatible with their distribution and removed them