[PATCH] D102339: [clang] On Windows, ignore case and separators when discarding duplicate dependency file paths.

Thu May 13 07:37:24 PDT 2021

thakis added a comment.

In D102339#2756726 <https://reviews.llvm.org/D102339#2756726>, @aganea wrote:

> In D102339#2755867 <https://reviews.llvm.org/D102339#2755867>, @thakis wrote:
>
>> We share obj files built on linux and on windows. So that's a goal for us.
>
> Hello @thakis, I believe you don't use this codepath to generate the cache key, do you? I thought you had a custom python script to extract the dependencies?

Oh, is this only used for `-MD` / `-MMD`? If so, yes, we don't use this on Windows atm. But someone's working on setting a win->linux cross build, and that would use this code path I think.

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https://reviews.llvm.org/D102339