fix hwloc README (#1592)

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Jiaqi Liao 2025-11-11 15:28:57 +08:00 committed by GitHub
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@ -59,6 +59,13 @@ Try `export CMAKE_ARGS="-D CMAKE_CUDA_COMPILER=$(which nvcc)"` and run `pip inst
#### hwloc Not Found
```
-- Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE)
CMake Error at CMakeLists.txt:531 (message):
FindHWLOC needs pkg-config program and PKG_CONFIG_PATH must contain the
path to hwloc.pc file.
```
Run `sudo apt install libhwloc-dev` if on a Debian-based system or build from source: https://www.open-mpi.org/projects/hwloc/.
```