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In early 1996 Sybase undertook a project to replace their build system with one centered around a freely available make(1) alternative called Jam. This paper discusses the scope of the project, the problems encountered and their solutions, and the current results.
When deploying new SCM (software configuration management) tools, implementers sometimes focus on perfecting fine-grained activities, while unwittingly carrying forward poor, large-scale practices from their previous jobs or previous tools. The result is a well-executed blunder. This paper promotes some high-level best practices that reflect the authors' experiences in deploying SCM.
Contemporary software configuration management (SCM) systems identify variants in the same namespace that identifies revisions. The variants — the alternate implementations of a configuration item that must exist in parallel — and revisions — the iterative refinements that each variant takes on over time — form a two dimensional version tree for a configuration item. So typically a configuration item...