dep: Optionalize wasm-opt crate dependency
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kateinoigakukun
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The `wasm-opt` crate brings in C++ dependencies (binaryen) and it makes the build process more complex and slower (also setting up cross-compilation for C++ is not trivial unlike Rust). Also the DCE process doesn't make much difference if we allow all WASI subsystems. This commit makes the `wasm-opt` crate dependency optional so that crate users can choose whether to use it or not. Also strip the "name" section at walrus module generation time if `debug=false` because it was stripped by `wasm-opt` before.
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The
wasm-optcrate brings in C++ dependencies (binaryen) and it makes the build process more complex and slower (also setting up cross-compilation for C++ is not trivial unlike Rust). Also the DCE process doesn't make much difference if we allow all WASI subsystems.This commit makes the
wasm-optcrate dependency optional so that crate users can choose whether to use it or not.Also strip the "name" section at walrus module generation time if
debug=falsebecause it was stripped bywasm-optbefore.Data point
We use wasi-virt to embed Ruby installation package with
--allow-all:At least for us, more 300 bytes to simplify build is fine.