[Bug bootstrap/91352] [10 Regression] Jobserver detection uses fcntl, which is not available on mingw-w64

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91352

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |patch

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Patch candidate:
https://gcc.gnu.org/ml/gcc-patches/2019-08/msg00355.html