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

[Matt Jacobson via Phabricator via cfe-commits]

mhjacobson added a comment.

In D107682#2932599 <https://reviews.llvm.org/D107682#2932599>, @benshi001 wrote:

> @mhjacobson Could you please check if my modification also works as expected on your platform ?

Hm... it doesn't, because there aren't enough `..`s.

Here's what my directory tree looks like.  My gcc install consists of:

  /opt/local/bin/avr-gcc-10.3.0
  /opt/local/lib/gcc/avr/10.3.0/libgcc.a
  /opt/local/libexec/gcc/avr/10.3.0/cc1

And avr-libc is at:

  /opt/local/avr/lib/libc.a
  /opt/local/avr/include/stdio.h

It would work if you appended four `..`s (which is effectively what GCC does, since it backs up to the "prefix", which in my case is `/opt/local/`).


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https://reviews.llvm.org/D107682