14 lines
381 B
Rust
14 lines
381 B
Rust
//! This build script detects target platforms that lack proper support for
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//! atomics and sets `cfg` flags accordingly.
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use std::env;
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fn main() {
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// CAS is not available on thumbv6.
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let target = env::var("TARGET").unwrap();
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if !target.starts_with("thumbv6") {
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println!("cargo:rustc-cfg=atomic_cas");
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}
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println!("cargo:rerun-if-changed=build.rs");
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}
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