[PATCH] D52193: RFC: [clang] Multithreaded compilation support -- NOT FOR SUBMIT

Angus Hewlett via cfe-commits cfe-commits at lists.llvm.org
Sun Apr 7 09:35:59 PDT 2019


Even if I just issue one file with /Yc and none with /Yu, it still fails.
Looks like it possibly generates two processes, one to generate the pch and
the other to compile and link. A temp file is generated but no final pch;
an error is emitted "Unable to read pch file foo.pch".

On Sun, 7 Apr 2019, 14:19 Alexandre Ganea via Phabricator, <
reviews at reviews.llvm.org> wrote:

> aganea added a comment.
>
> That is strange. As you can’t mix /Yc and /Yu on the command line, MSBuild
> should issue two different calls to clang-cl, one with /Yc and one /Yu /MP.
> Can you check with ProcMon that commands are issued in the right order?
>
>
> Repository:
>   rC Clang
>
> CHANGES SINCE LAST ACTION
>   https://reviews.llvm.org/D52193/new/
>
> https://reviews.llvm.org/D52193
>
>
>
>
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