Don't include math for unix and wasi targets
#680
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This fixes such as (rust-lang/rust#128386) where, our implementation is being used on systems where there is already `math` library and its more performant and accurate. So with this change, linux will go back to the previous behavior and not include these functions, windows and apple were generally not affected. Looking at the targets we have builtin now in rust, everything else is probably good to have the math symbols. > A note on the above, the `hermit` os uses `libm` directly for itself, > but I think its Ok to keep providing math in `compiler_builtin` for it, > its technically the same implementation either from `compiler_builtin` > or `hermit-builtins`. Signed-off-by: Amjad Alsharafi <[email protected]>
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Thanks for posting this. Should this keep the same config as before https://github.com/rust-lang/compiler-builtins/pull/594/files#diff-b1a35a68f14e696205874893c07fd24fdb88882b47c23cc0e0c80a30c7d53759? |
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Oh nevermind, I read that backwards. I'll take a closer look at this in a bit. |
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Thanks for this, seems reasonable to me. Once #681 merges could you create a PR to rust-lang/rust updating builtins to 0.1.123? |
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…r=tgross35 Update `compiler_builtins` to `0.1.123` Includes rust-lang/compiler-builtins#680 and fixes rust-lang#128386. Fixed by not including math symbols of `compiler_builtins` into any `unix` target or `wasi`, old behavior is restored r? tgross35
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…r=tgross35 Update `compiler_builtins` to `0.1.123` Includes rust-lang/compiler-builtins#680 and fixes rust-lang#128386. Fixed by not including math symbols of `compiler_builtins` into any `unix` target or `wasi`, old behavior is restored r? tgross35
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Rollup merge of rust-lang#129715 - Amjad50:update-compiler-builtins, r=tgross35 Update `compiler_builtins` to `0.1.123` Includes rust-lang/compiler-builtins#680 and fixes rust-lang#128386. Fixed by not including math symbols of `compiler_builtins` into any `unix` target or `wasi`, old behavior is restored r? tgross35
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Update `compiler_builtins` to `0.1.123` Includes rust-lang/compiler-builtins#680 and fixes rust-lang/rust#128386. Fixed by not including math symbols of `compiler_builtins` into any `unix` target or `wasi`, old behavior is restored r? tgross35
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This fixes issues such as (rust-lang/rust#128386) where, our implementation is being used on systems where there is already
mathlibrary and its more performant and accurate.So with this change, linux will go back to the previous behavior and not include these functions, windows and apple were generally not affected.
Looking at the targets we have builtin now in rust, everything else is probably good to have the math symbols.
@tgross35 @Amanieu