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