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19 lines
466 B
Rust
19 lines
466 B
Rust
use std::env;
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use std::ffi::OsString;
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use std::process::Command;
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fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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let rustc = env::var_os("RUSTC").unwrap_or_else(|| OsString::from("rustc"));
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let output = Command::new(rustc)
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.arg("--version")
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.output()
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.expect("failed to run `rustc --version`");
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if String::from_utf8_lossy(&output.stdout).contains("nightly") {
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println!("cargo:rustc-cfg=nightly");
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}
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}
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