Backport "Default to static linking of libcudart"#1918
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rapids-bot[bot] merged 1 commit intorapidsai:release/26.04from Mar 16, 2026
Merged
Backport "Default to static linking of libcudart"#1918rapids-bot[bot] merged 1 commit intorapidsai:release/26.04from
rapids-bot[bot] merged 1 commit intorapidsai:release/26.04from
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## Summary - Enable static linking of libcudart by default (`CUDA_STATIC_RUNTIME=ON`) - Remove `cuda-cudart` from conda recipe run requirements (no longer needed when statically linked) This is part of a RAPIDS-wide effort to switch to static CUDA runtime linking. See rapidsai/build-planning#235 for tracking. ## Changes - `cpp/CMakeLists.txt`: Change `CUDA_STATIC_RUNTIME` default from OFF to ON - `conda/recipes/cuvs/recipe.yaml`: Remove `cuda-cudart` from run deps - `conda/recipes/libcuvs/recipe.yaml`: Remove `cuda-cudart` from run deps (4 outputs) Note: Python builds already use `CUDA_STATIC_RUNTIME=ON` (set in `python/libcuvs/CMakeLists.txt`). Authors: - Bradley Dice (https://github.com/bdice) - Kyle Edwards (https://github.com/KyleFromNVIDIA) Approvers: - Kyle Edwards (https://github.com/KyleFromNVIDIA) - Robert Maynard (https://github.com/robertmaynard) - Ben Frederickson (https://github.com/benfred) URL: rapidsai#1627
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Since rapidsai#1909, we've been able to use older versions of the CUDA driver, since we no longer rely on `cudaLibraryEnumerateKernels()`. Since rapidsai#1918, we've been using static cudart, which allows us to run on platforms with versions of CUDA older than 12.8 installed, since the runtime library API is now bundled with cuvs. Always build with JIT+LTO so that we can get the full compile time and binary size benefits in CUDA 12 too.
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)" This reverts commit 41a661f.
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Backport #1627