[PATCH] D107682: [AVR][clang] Improve search for avr-libc installation path

Sat Aug 7 05:17:19 PDT 2021

benshi001 added a comment.

In D107682#2932607 <https://reviews.llvm.org/D107682#2932607>, @mhjacobson wrote:

> For other examples of using four `..`s, look in `Gnu.cpp`, where there are several places where `getParentLibPath()` is appended with `/../`.  `AddMultilibPaths()`, `PushPPaths()`.
>
> `getParentLibPath()`, in turn, is `GCCInstallPath/../../../`

Thanks for your help. I have updated my patch. Now it should work for both your platform and mine. It search `GCCRoot.getParentLibPath()/avr` first, otherwise `GCCRoot.getParentLibPath()/../avr`.

Please help me check.

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https://reviews.llvm.org/D107682