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[Doc] Update CMAKE_PREFIX_PATH for XPU windows README (#148863)

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We found that the `pip install cmake` and `conda install cmake` has different behavior.
The reason is that the pip installed one doesn't find the corresponding libs under conda env. So we need to set the `CMAKE_PREFIX_PATH` for alignment.

Pull Request resolved: https://github.com/pytorch/pytorch/pull/148863
Approved by: https://github.com/CuiYifeng, https://github.com/malfet

Co-authored-by: Cui, Yifeng <yifeng.cui@intel.com>
This commit is contained in:
Stonepia
2025-04-01 04:43:07 +00:00
committed by PyTorch MergeBot
parent 31634b8c6a
commit ce52674b76
1 changed files with 10 additions and 0 deletions
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10
README.md
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@ -355,6 +355,16 @@ Please make sure [the common prerequisites](#prerequisites) as well as [the prer
Then PyTorch can be built with the command:
```cmd
:: CMD Commands:
:: Set the CMAKE_PREFIX_PATH to help find corresponding packages
:: %CONDA_PREFIX% only works after `conda activate custom_env`
if defined CMAKE_PREFIX_PATH (
set "CMAKE_PREFIX_PATH=%CONDA_PREFIX%\Library;%CMAKE_PREFIX_PATH%"
) else (
set "CMAKE_PREFIX_PATH=%CONDA_PREFIX%\Library"
)
python setup.py develop
```