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A comment on Show HN: Cr – Runs your tasks at maximum concurrency. Parent comment

Re:Show HN: Cr – Runs your tasks at maximum concurrency by Coding_Cat on Monday December 18, 2017 @10:50AM (#15952408)
Make's concurrency is pretty good, as long as your dependency graph is correct.

Problems arise when one of your build steps creates temporary files for each invocation and they end up overwritting each other (race condition).

This would have the same issue

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Re:Show HN: Cr – Runs your tasks at maximum concurrency by jschwartzi on Monday December 18, 2017 @03:33PM (#15955210)
Or when people create phony targets instead of actually declaring an intermediate file and its prerequisites.
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