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Do not rebuild the build script unless necessary #6677

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Merged
sylvestre merged 1 commit into from
Sep 3, 2024
Merged

Do not rebuild the build script unless necessary #6677

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4 changes: 4 additions & 0 deletions build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@ pub fn main() {
const FEATURE_PREFIX: &str = "feat_";
const OVERRIDE_PREFIX: &str = "uu_";

// Do not rebuild build script unless the script itself or the enabled features are modified
// See <https://doc.rust-lang.org/cargo/reference/build-scripts.html#change-detection>
println!("cargo:rerun-if-changed=build.rs");

if let Ok(profile) = env::var("PROFILE") {
println!("cargo:rustc-cfg=build={profile:?}");
}
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