WIP: Prevent path conflict in builds #2245
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jameslamb
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This is currently failing with the following conflicts. (I've included just 1 example of each type below) (CUDA 11.8 build log) (CUDA 12.2 build log)
Described in rapidsai/rmm#1508 (comment).
And similar for all these:
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cjnolet
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May 2, 2024
Contributes to rapidsai/build-planning#54. The `libraft-headers` and `libraft-headers-only` conda packages are bundling `rmm`'s headers. I believe that's because the `librmm` conda package isn't available in the `libraft*` conda build environment, and as a result it's getting `rmm` via CPM (thanks to `rapids-cmake`). As a result, this project and any that depend on it are seeing warnings like the following in conda builds where `conda`'s `path_conflict` setting is set to `warn` or `prevent` (like #2245): ```text This transaction has incompatible packages due to a shared path. packages: rapidsai-nightly/linux-64::librmm-24.04.00a38-cuda11_240326_ga98931b9_38, rapidsai-nightly/linux-64::libraft-headers-only-24.04.00a93-cuda11_240326_g9637b3c2_93 path: 'include/rmm/mr/device/arena_memory_resource.hpp' ``` To fix that, this proposes the following changes: * make `librmm` a `host` dependency of the following conda packages: `libraft-headers-only`, `libraft-headers` ### Benefits of this change * slightly smaller `libraft-headers` and `libraft-headers-only` conda packages * reduced risk of runtime and installation issues caused by file clobbering ## Notes for reviewers ### History of changes to the `librmm` dependency for `libraft-headers`: * both `run` and `host`: #508 * both `run` and `host`, but ignoring its `run_exports`: #1264 * just `run`, but ignoring its `run_exports`: #2102 In particular, #2102 referred to the `host` dependency on `librmm` as "extraneous" but from a packaging perspective, I don't think it is. `librmm` being in `host` means it'll be present in the build environment, which means its headers will be *found* instead of *downloaded*, and therefore not packaging into the `libraft*` conda packages. ### How I tested this Built all the `raft` conda packages locally from `branch-24.06` and confirmed that they contain `rmm` headers. Then again from this branch and confirmed they were gone. ```shell docker run \ --rm \ --env-file "${PWD}/aws-creds.env" \ -v $(pwd):/opt/work \ -w /opt/work \ -it rapidsai/ci-conda:cuda12.2.2-ubuntu22.04-py3.10-amd64 \ bash CI="true" \ ci/build_cpp.sh # On 'branch-24.06', this showed the rmm headers being packaged. # On this branch, they're omitted. tar --bzip2 -tf \ /tmp/conda-bld-output/linux-64/libraft-headers-only-24.06.00a50-cuda12_240430_g1e0e2283_50.tar.bz2 \ | grep 'include/rmm' \ | wc -l ``` Also checked the CI logs from `conda-cpp-build` jobs here. On other recent PRs, I see CPM downloading `rmm` ... ```text -- CPM: Adding package rmm@24.06 (branch-24.06) ``` ... and all the `rmm` headers getting installed as part of the `libraft-headers` package ```text -- Installing: /opt/conda/conda-bld/_h_env_placehold_placehold_..._placeho/include/rmm/cuda_stream.hpp ``` ([build link](https://github.com/rapidsai/raft/actions/runs/8904352932)) Here, I see `librmm` coming through via the conda package requirements ... ```text The following NEW packages will be INSTALLED: ... librmm: 24.06.00a17-cuda12_240430_g26fa9ecb_17 rapidsai-nightly ``` ... and being used instead of downloads via CPM ... ```text -- CPM: Using local package rmm@24.06.0 ``` ... and no installation of the `rmm` headers as part of building any `libraft` packages. ([build link](https://github.com/rapidsai/raft/actions/runs/8910675575/job/24470450187?pr=2284)) Authors: - James Lamb (https://github.com/jameslamb) Approvers: - Bradley Dice (https://github.com/bdice) - Ray Douglass (https://github.com/raydouglass) URL: #2284
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Contributes to rapidsai/build-planning#54
This will make builds fail when there are path conflicts