[build] 04-05-25 Build maintenance #3889
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- Build simdutf using SSE4.2 to avoid having to include fallback code path, reducing code size. We already require SSE4.2 for zlib, so this won't break compatibility with any systems. - Minor Bazel/include cleanup based on IWYU - Clean up redundant Bazel arguments - Clean up comments based on no longer using Dawn
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lld20 introduces a symbol string deduplication pass, reducing binary sizes on macOS (llvm/llvm-project#123874). For debug binaries with linker optimizations turned on, binary size improves by 930KB to 235.4MB, gains for release binaries should be similar. Run `brew update` on CI to make this version available.
anonrig
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danlapid
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penalosa
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Apr 7, 2025
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[build] 04-05-25 Build maintenance
[build] Build using lld 20 on macOS
lld20 introduces a symbol string deduplication pass, reducing binary sizes on macOS (llvm/llvm-project#123874). For debug binaries with linker optimizations turned on, binary size improves by 930KB to 235.4MB, gains for release binaries should be similar.
Run
brew updateon CI to make this version available.