Add support for both wasmtime latest (39.x) and LTS (36.x) versions #301
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jsturtevant
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Introduces wasmtime_lts feature flag to switch between wasmtime versions. Default uses latest (39.0.1), pass --lts flag to AOT compiler or enable wasmtime_lts feature for LTS version (36.0.3). CI updated to test both. Signed-off-by: James Sturtevant <jsturtevant@gmail.com>
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LGTM, but shouldn't default be LTS? Otherwise it would be a break change. Or maybe that's what we want? |
| // Re-export wasmtime based on expected version | ||
| #[cfg(all(feature = "wasmtime_latest", feature = "wasmtime_lts"))] | ||
| compile_error!( | ||
| "Features 'wasmtime_latest' and 'wasmtime_lts' are mutually exclusive. Please enable only one." | ||
| ); | ||
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| #[cfg(not(any(feature = "wasmtime_latest", feature = "wasmtime_lts")))] | ||
| compile_error!("Either 'wasmtime_latest' or 'wasmtime_lts' feature must be enabled."); | ||
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| #[cfg(not(feature = "wasmtime_lts"))] | ||
| extern crate wasmtime; | ||
| #[cfg(feature = "wasmtime_lts")] | ||
| extern crate wasmtime_lts as wasmtime; | ||
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Is there any value in making these not mutually exclusive? If both are enabled, we could default to one of them, similar to mshv and mshv3 used to work in hyperlight. I think mutually exclusive features are generally discouraged
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I didn't think there was any value in having both. I did default to one in the cargo.toml so that the users wouldn't need to choose. If its discouraged I could try it with both
I don't think it is a breaking change, just a decency bump. My thought was that most WASM users would want to the latest wasmtime. |
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Introduces wasmtime_lts feature flag to switch between wasmtime versions.
Default uses latest (39.0.1), pass --lts flag to AOT compiler for LTS version (36.0.3). CI updated to test both.