[opam-devel] Aspcud 1.9.0 is out, and ready for packaging

Roberto Di Cosmo roberto at dicosmo.org
Mon Mar 17 09:47:19 GMT 2014

The maintainer of aspcud, Roland Kaminski, has released a new version of the
aspcud solver for CUDF package dependency problems, which is 1.9.0, available here


It is highly recommended to package this new version for opam, as it incorporates
one significant improvement in the preferences language, that now allows to
use three new package selectors: installrequest, upgraderequest, and request.

These can be used to elegantly guide the solver towards upgrade paths that have
very different behaviour for the packages mentioned on the command line
w.r.t. the others, like "upgrade all packages I mention, and leave alone the
others", but this will not be incorporated by default into opam until the
new version of aspcud is spread out widely.

Besides, there is now direct support for Windows and MacOS, and the solver
uses clasp-3 and its uncore algorithm for improved optimization.

In Debian, the package is already in experimental (will move into unstable
when the current transition is over)


Happy packaging

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