Libraries layout

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Table of Contents

Scope

Establish a standard method for laying out the common libraries to be used by components in a workflow. The complexity lies in the fact that components may be compiled with different library versions and even different compilers and versions of them, so the library layout must enable dynamically loading the relevant library for each workflow component.

Background and decision status

• The previous method used by the “ITM” is judged too complicate to maintain in the long term, so some adaptation should be made at the occasion of the transition to IMAS.

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• IO provides only a framework where local sysadmins add their own path extensions to the user environment, because of no control on how other dependencies will be resolved on future systems (see discussions with IO on this topic: IMAS-1188, IMAS-1484, IMAS-1072),

Taking these factors into consideration CPT proposes "EUROfusion flavor" of library modules and related layout.

Libraries layout

Examples are provided for a single library (XMLLIB) for the sake of clarity, to be generalised for all libraries.

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