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High-end machines at modern HPC centers are constantly undergoing hardware and system software upgrades necessitating frequent rebuilds of application codes. The number of possible combinations of compilers, libraries, application build configurations, differing hardware architectures, etc, makes the process of building applications very onerous, requiring expert build knowledge from different domains. The ongoing Harness Workbench Toolkit (HWT) project aims to foster and streamline the entire build process on heterogeneous computational platforms. This paper focuses on a key research issue of the HWT that regards facilitating and enhancement portability of build systems across multifarious machines, with particular respect to scientific software commonly used in the HPC community.
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