[librt] Add librt.internal API versioning with backward compat
#20221
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…bility This lets us add new API features by adding more functions to the capsule and the module namespace without breaking backward compatibility. We shouldn't use the capsule if the installed version is too old, since we could be calling functions via uninitialized pointers.
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This requires a librt release after merging. |
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I guess this will also require an ABI version update. |
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Similar to #20194, this requires a temporary CI breakage and releasing a new version of librt. I'm planning to merge this and release a new librt version tomorrow (Wed). |
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Yeah, sure, go ahead when ready. |
JukkaL
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Nov 12, 2025
Includes #20221 (which breaks backward compatibility).
JukkaL
added a commit
that referenced
this pull request
Nov 12, 2025
Includes #20221 (which breaks backward compatibility).
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This lets us add new API features by adding more functions to the capsule and the module namespace without breaking backward compatibility.
We shouldn't use the capsule if the installed version is too old, since we could be calling functions via uninitialized pointers.
Note that this is a breaking change in the
librt.internalABI.