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[Rivet] Rivet issues with Genser librariesAndy Buckley andy.buckley at durham.ac.ukFri Jan 25 14:10:51 GMT 2008
Hi Alberto, Quite a long time ago, we (Rivet developers) decided together with Genser that we would stop maintaining our own parallel generator bundles, which used autoconf and libtool, and move to using Genser's libraries. Genser, particularly Witek, have been very supportive and helpful. We finally got round to properly migrating to the Genser distributions in the last few weeks, and it's not been a simple process, with a lot of problems remaining. In summary, our major problem is that the Genser libraries aren't portably buildable on platforms other than Scientific Linux with the CERN AFS area mounted in the usual place. We need a more generally useful set of generators, since our users and developers are using laptops, Apple Macs and various versions of Linux other than SL(C). We also need some portable and reliable way of automatically assembling a local build of the whole Genser AFS area, with a documented and programmatic directory structure. More specifically, we've set up a wiki page for AGILe (our generator interface library) which catalogues our problems: http://projects.hepforge.org/agile/trac/wiki/GenserBuildProblems We can translate these problems into bugs on the Genser Savannah tracker, if it's being used --- my impression at the moment is that it isn't. We're very happy to help Genser to fix these problems --- it's in our interest to do so and we already have experience of maintaining portable builds of Fortran generators via autotools: this could be easily extended to provide the LCG features that Genser needs. My impression is that Rivet is a testbed for Genser usage which can help to improve the overal robustness of the system against changes in the way that LCG platforms work. So, despite being lower priority than the experiments, I think that our needs are far from contradictory to theirs. Please let me know what you think and if we can be of assistance... Cheers, Andy
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