15 lines
477 B
Rust
15 lines
477 B
Rust
fn main() {
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// Emit cfg flags for SIMD detection at build time
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println!("cargo:rerun-if-changed=build.rs");
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#[cfg(target_arch = "x86_64")]
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{
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if std::env::var("CARGO_CFG_TARGET_FEATURE").map_or(false, |f| f.contains("avx2")) {
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println!("cargo:rustc-cfg=has_avx2");
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}
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if std::env::var("CARGO_CFG_TARGET_FEATURE").map_or(false, |f| f.contains("avx512f")) {
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println!("cargo:rustc-cfg=has_avx512");
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}
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}
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}
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