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1 parent 80e945f commit 2688e8aCopy full SHA for 2688e8a
build.rs
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+extern crate rustc_version;
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+use rustc_version::{version, Version};
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+
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+fn main() {
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+ if version().unwrap() >= Version::parse("1.27.0").unwrap() {
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+ println!("cargo:rustc-cfg=rust_1_27");
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+ }
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+}
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