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Raised the exception: unrecognized size output

Reproducer:

  • use shake branch
  • run cabal new-run -- nofib-run --compiler=$(realpath ../_build/stage1/bin/ghc) --output=test

This results in:

nofib-run: Error when running Shake build system:
  at want, called at runner/Main.hs:171:5 in main:Main
* Depends on: _make/test/smp/chan/Main
  at &%>, called at runner/Main.hs:247:5 in main:Main
* Depends on: _make/test/smp/chan/Main _make/test/smp/chan/Main.link.tsv
  at need, called at runner/Main.hs:251:9 in main:Main
* Depends on: _make/test/smp/chan/Main.o
  at &%>, called at runner/Main.hs:274:5 in main:Main
* Depends on: _make/test/smp/chan/Main.o _make/test/smp/chan/Main.hi _make/test/smp/chan/Main.o.compile.tsv
  at error, called at runner/ParseResults.hs:14:17 in main:ParseResults
* Raised the exception:
unrecognized size output

This was reproduced on MacOS 10.14.3

@bgamari suspects this has to do Darwin compatibility issue