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Enable u128 codepath for Emscripten targets on rust 1.40+ #39

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Merged
merged 1 commit into from
Dec 10, 2021
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Enable u128 codepath for Emscripten targets on rust 1.40+ #39

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7 changes: 4 additions & 3 deletions build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,9 +14,10 @@ fn main() {
let target = env::var("TARGET").unwrap();
let emscripten = target == "asmjs-unknown-emscripten" || target == "wasm32-unknown-emscripten";

// 128-bit integers disabled on Emscripten targets as Emscripten doesn't
// currently support integers larger than 64 bits.
if !emscripten {
// 128-bit integers Disabled on Emscripten targets before Rust 1.40 since
// Emscripten did not support 128-bit integers until Rust 1.40
// (https://github.com/rust-lang/rust/pull/65251)
if !emscripten || minor >= 40 {
println!("cargo:rustc-cfg=integer128");
}

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