[cfe-commits] [PATCH] Warn is -isysroot is given an invalid path

Eric Christopher echristo at gmail.com
Thu Dec 13 22:30:25 PST 2012

On Thu, Dec 13, 2012 at 4:54 PM, Chad Rosier <mcrosier at apple.com> wrote:

> All,
> The attached patch emits a warning in the frontend if the -isysroot flag
> is given an invalid directory.  I've implemented this using
> llvm::sys:fs::exists(), but please let me know if
> FileManager::getStatValue() (or another option) is preferred; I'll modify
> the patch accordingly.  I'll also add a test case before pushing the final
> commit.

Curious: What's the motivation here? I can see it as being potentially more
serious than -I /some/invalid/path but we don't warn on that one (at least
as far as I know).

Not against it, just curious. :)

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