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Minutes of the LIM meeting, Nov 25, 2004

Present: Shahzad Muzaffar (CMS), Emil Obreshkov (ATLAS), Florence Ranjard (LHCb), Eric Poinsignon (SPI), Andreas Pfeiffer (SPI)

Apologies: David Quarrie (ATLAS)

Actions:


LHCb askes for a build of seal, pool, pi based on the latest root 4 release (4.01.04a) which has been announced last week (Eric just finished installation). After the meeting, POOL requested a build of seal based on root 4.01.04a for evaluation of this root release.

CMS asked for a build of seal, pool and pi based on a bug-fix release of CLHEP (1.9.1.2). The new configuration (LCG_31(b)) has been tagged for scram and the releases build: SEAL 1.4.3, POOL 1.8.1 and PI 1.2.5 all based on LCG_31b (root 3 based).

LCG_31 also contains the new root 4 version (4.01.04a) and together with some small changes in seal needed to accomodate the new versions (in the seal reflection), a releass of seal (1.5.3) based on this configuration (LCG_31) has been build for rh73_gcc323 and slc3_gcc323 (incl. _dbg).

Issues:


A discussion started on how to to provide a "clean" rebuild of the external packages and the latest LCG AA project s/w on the certified SLC3 platform, with minimal impact on the users (as the experiments have already moved to use SLC3 as the default platform). In the meeting it was agreed that a test area with a full rebuild of a recent set of LCG AA releases including the externals will be created. This area is then used by the Librarians and Integrators in the experiments for validation. Once validated, all the external and project s/w will be removed for slc3_ia32_gcc323 in the official area and rebuild from scratch. This is expected to take about a day (maybe less) during which the s/w will not be available on this platform.

Next meeting: December 09, 11:00.


Action items:


new and outstanding:

- check status of root-4 based releases

- plan/install external packages for CMS and LHCb - installed for the CMS req. packages on rh73_gcc323 - porting to SLC3 will start soon - problem with callgrind: to be investigated by Eric with Stefan Roiser.

closed:

- plan for releases on Mac - problem on Mac (see minutes of Nov 11, 2004)

- provide _dbg versions for SLC3 platform - foreseen for the new releases of the projects: seal 1.4.2, pool 1.8.0, pi 1.4.2 and the root-4 based counterparts. -> (11nov2004) closed with the cutting of the mentioned releases.

- PI 1.2.3 for rh73_gcc32 - moved to version 1.2.4 (using seal 1.4.2) -> (11nov2004) done with release 1.2.4

-- Main.pfeiffer - 08 Dec 2004

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Topic revision: r3 - 2004-12-10 - AndreasPfeiffer
 
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