File: build.rs

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rustc 1.85.0%2Bdfsg3-1
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// Automatically detect tsan in a way that's compatible with both stable (which
// doesn't support sanitizers) and nightly (which does). Works because build
// scripts gets `cfg` info, even if the cfg is unstable.
fn main() {
    println!("cargo:rerun-if-changed=build.rs");
    let santizer_list = std::env::var("CARGO_CFG_SANITIZE").unwrap_or_default();
    if santizer_list.contains("thread") {
        println!("cargo:rustc-cfg=tsan_enabled");
    }
}