and, asides, the two problems are significantly different. The "DLL hell" is usually due to library embedding, which is common place on Win*, as well as in Gems, Eggs, etc. On the other hand, the "dependency hell" is not due to library embedding, which distros fight as much as they can, but rather to deficiencies in solver capabilities. For a Debian solution to that, see http://packages.debian.org/unstable/apt-cudf