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Prevent build.rs rerunning unnecessarily on all source changes

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David Tolnay
2022-12-12 14:37:41 -08:00
parent 0b548714d8
commit 8794844eee
1 changed files with 2 additions and 0 deletions
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2
build.rs
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@@ -3,6 +3,8 @@ use std::process::Command;
use std::str::{self, FromStr};
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();