18 lines
537 B
Rust
18 lines
537 B
Rust
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use std::env;
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fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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// Decide ideal limb width for arithmetic in the float parser. Refer to
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// src/lexical/math.rs for where this has an effect.
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let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
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match target_arch.as_str() {
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"aarch64" | "mips64" | "powerpc64" | "x86_64" | "loongarch64" => {
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println!("cargo:rustc-cfg=limb_width_64");
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}
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_ => {
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println!("cargo:rustc-cfg=limb_width_32");
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}
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}
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}
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