20 lines
691 B
Rust
20 lines
691 B
Rust
#![deny(warnings)]
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use std::env;
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fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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if let Some(true) = version_check::supports_feature("specialize") {
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println!("cargo:rustc-cfg=feature=\"specialize\"");
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}
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let arch = env::var("CARGO_CFG_TARGET_ARCH").expect("CARGO_CFG_TARGET_ARCH was not set");
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if arch.eq_ignore_ascii_case("x86_64")
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|| arch.eq_ignore_ascii_case("aarch64")
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|| arch.eq_ignore_ascii_case("mips64")
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|| arch.eq_ignore_ascii_case("powerpc64")
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|| arch.eq_ignore_ascii_case("riscv64gc")
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|| arch.eq_ignore_ascii_case("s390x")
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{
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println!("cargo:rustc-cfg=feature=\"folded_multiply\"");
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}
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}
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