[llvm-dev] Total response file count limited to 21

Chris Glover via llvm-dev llvm-dev at lists.llvm.org
Mon May 6 14:04:29 PDT 2019

On Fri, May 3, 2019 at 1:30 PM James Y Knight via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> IMO, a limit of at most 20 nested response files would make a lot more
> sense than 20 total response files. I don't think the total should really
> have a limit at all.
> Since we expand the files in place while iterating over the arglist, we'd
> need to keep a separate array listing the end-offset of each file we're
> currently nested within, and update the offsets with every expansion of
> arguments. That's a bit more complex than just an integer count of number
> of files seen so far, but it should be implementable completely within the
> ExpandResponseFiles function, and I don't think it'd be _that_ tricky.
Seems reasonable to me. And would absolutely solve the issue here (I think
we only nest 2 or 3 levels deep).

 If this is an agreed upon solution, I'd be happy to attempt to implement

-- chris
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