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Newer conda versions require --update-deps to update dependencies such as libgcc-ng (#149599)

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* When we try to install [libstdcxx-ng 12.3.0 from conda-forge](595293316d/.ci/docker/common/install_conda.sh (L65)), conda 24.7.1 updates the dependencies of that package, including libgcc-ng package to the following:  `libgcc-ng-14.2.0 | h69a702a_2 52 KB conda-forge`

* However, conda updated their installer script on Feb 6 2025 to version 25.1.1, which behaves differently from previous versions when installing conda packages.

* conda 25.1.1 does *not* update any dependencies in the above step, and hence the same installation of libgcc-ng from "defaults" channel is present: `libgcc-ng pkgs/main/linux-64::libgcc-ng-11.2.0-h1234567_1`

* Adding the "--update-deps" flags to the conda install command installs a newer libgcc-ng package from the "conda-forge" conda channel:  `libgcc-ng-12.3.0 | h77fa898_13 762 KB conda-forge`, which is compatible with the libstdcxx-ng 12.3.0 package

* Compare this [Feb 4 docker build](https://github.com/pytorch/pytorch/actions/runs/13148456164/job/36691412387#step:6:5179) to this [Feb 10 docker build](https://github.com/pytorch/pytorch/actions/runs/13247023578/job/36975931849#step:6:5451), which shows that the latter does *not* update libgcc-ng.

* This creates linking issues when trying to use a library, that was built with a newer libgcc_s.so.1 (from libcc-ng package), in the PyTorch conda environment. Eg. ONNX-RT:
```
[0;93m2025-02-13 10:18:38.492434704 [W:onnxruntime:Default, migraphx_execution_provider.cc:167 get_flags_from_env]
[MIGraphX EP] MIGraphX ENV Override Variables Set:
2025-02-13 10:18:38.628064251 [E:onnxruntime:Default, provider_bridge_ort.cc:2028 TryGetProviderInfo_ROCM] /onnxruntime/onnxruntime/core/session/provider_bridge_ort.cc:1636 onnxruntime::Provider& onnxruntime::ProviderLibrary::Get() [ONNXRuntimeError] : 1 : FAIL : Failed to load library libonnxruntime_providers_rocm.so with error: /opt/conda/envs/py_3.10/bin/../lib/libgcc_s.so.1: version `GCC_12.0.0' not found (required by /opt/conda/envs/py_3.10/lib/python3.10/site-packages/onnxruntime/capi/libonnxruntime_providers_rocm.so)
```

Pull Request resolved: https://github.com/pytorch/pytorch/pull/149599
Approved by: https://github.com/malfet
This commit is contained in:
Jithun Nair 2025-03-26 17:04:17 +00:00 committed by PyTorch MergeBot
parent b2088f1afe
commit 4a9466c96a
1 changed files with 1 additions and 1 deletions
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2
.ci/docker/common/install_conda.sh
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@ -62,7 +62,7 @@ if [ -n "$ANACONDA_PYTHON_VERSION" ]; then
# libstdcxx from conda default channels are too old, we need GLIBCXX_3.4.30
# which is provided in libstdcxx 12 and up.
conda_install libstdcxx-ng=12.3.0 -c conda-forge
conda_install libstdcxx-ng=12.3.0 --update-deps -c conda-forge
# Install PyTorch conda deps, as per https://github.com/pytorch/pytorch README
if [[ $(uname -m) == "aarch64" ]]; then