Prerequisites and freshness

Model what makes a target stale while separating real inputs from prerequisites needed only for ordering.

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Follow the lessons that apply this concept, then inspect the repository at the exact commit behind each explanation.

Managed Toolchain · commit 788dfbaLet Make install tools on demand

Managed Toolchain · commit 73f70c4Turn installers into tool definitions

Managed Toolchain · commit f9b85bcInstall releases additively