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Enable 128-bit integers on emscripten post Rust 1.40 #2076

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Aug 21, 2021
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Enable 128-bit integers on emscripten post Rust 1.40 #2076

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7 changes: 4 additions & 3 deletions serde/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -53,9 +53,10 @@ fn main() {
// 128-bit integers stabilized in Rust 1.26:
// https://blog.rust-lang.org/2018/05/10/Rust-1.26.html
//
// Disabled on Emscripten targets as Emscripten doesn't
// currently support integers larger than 64 bits.
if minor >= 26 && !emscripten {
// 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 minor >= 26 && (!emscripten || minor >= 40) {
println!("cargo:rustc-cfg=integer128");
}

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