scons - Internal Error: no cycle found for node -


when running scons in single thread, code build fine. however, if use -j (for parallel builds), plethora of these errors:

 internal error: no cycle found node file (<scons.node.fs.dir object @ 0xc15aeec>) in state pending

what error mean?

how can resolve this?

i aware of issue 2777 running scons v2.3.1 should have in.


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