[PATCH] D152709: [lit] Avoid os.path.realpath in lit.py due to MAX_PATH limitations on Windows

[Tristan Labelle via Phabricator via llvm-commits]

MrTrillian added a comment.

In D152709#4423897 <https://reviews.llvm.org/D152709#4423897>, @nlopes wrote:

> This commit started failing running llvm-lit outside the llvm directory:
>
>   $ ~/llvm/build/bin/llvm-lit -vv ~/llvm/llvm/test/Transforms
>   llvm-lit: /bitbucket/nlopes/llvm/llvm/utils/lit/lit/TestingConfig.py:151: fatal: unable to parse config file '/home/nlopes/llvm/llvm/test/lit.cfg.py', traceback: Traceback (most recent call last):
>     File "/bitbucket/nlopes/llvm/llvm/utils/lit/lit/TestingConfig.py", line 139, in load_from_path
>       exec(compile(data, path, "exec"), cfg_globals, None)
>     File "/home/nlopes/llvm/llvm/test/lit.cfg.py", line 21, in <module>
>       config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
>   AttributeError: 'NoneType' object has no attribute 'use_lit_shell'
>
> Any idea of what's going on?

I suspect it has to do with the remaining `os.path.realpath` in `llvm\utils\llvm-lit\llvm-lit.in`. How can I repro this?


Repository:
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  https://reviews.llvm.org/D152709/new/

https://reviews.llvm.org/D152709