ggml: Skip backend library linking code when GGML_BACKEND_DL=ON #15094
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ckastner merged 1 commit intoggml-org:masterfrom Aug 7, 2025
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ggml: Skip backend library linking code when GGML_BACKEND_DL=ON #15094ckastner merged 1 commit intoggml-org:masterfrom
ckastner merged 1 commit intoggml-org:masterfrom
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Eh, more succinctly:
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slaren
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Any available libraries are found and loaded dynamically at runtime.
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Any available libraries are found and loaded dynamically at runtime.
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…-org#15094) Any available libraries are found and loaded dynamically at runtime.
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@slaren, it appears that #15074 yesterday was incomplete. I overlooked that the ggml CMake package generated requires all backends from configure-time to be installed (eg when building llama.cpp), or otherwise errors out.
This doesn't really make sense in contexts where
GGML_BACKEND_DL=ONis most useful. For example, a user with a GPU will probably install the HIP or the CUDA backend (if shipped as separate packages) but unlikely both.This PR removes this requirement. But is this OK? Can it negatively affect a build result if not all backends are present?
I also wonder though whether it should include a check for t least one CPU backend.
Side note: this PR also includes a small fix for a misplacement of
$GGML_BACKEND_DIRyesterday, it was in the wrongfind_package. This was very weird. I didn't do this manually, I transferred a change from an older branch usingpatch(1)where this was correct. Maybe some heuristic failed.