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Specify cargo:rerun-if-changed=build.rs to avoid re-building

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This commit is contained in:
Yuki Okushi 2021-04-05 03:23:02 +09:00
parent 5114daa8ff
commit 45e1681d90
1 changed files with 3 additions and 0 deletions
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3
build.rs
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@ -3,6 +3,9 @@ use std::process::Command;
use std::str; use std::str;
fn main() { fn main() {
// Avoid unnecessary re-building.
println!("cargo:rerun-if-changed=build.rs");
let (rustc_minor_ver, is_nightly) = let (rustc_minor_ver, is_nightly) =
rustc_minor_nightly().expect("Failed to get rustc version"); rustc_minor_nightly().expect("Failed to get rustc version");
let rustc_dep_of_std = env::var("CARGO_FEATURE_RUSTC_DEP_OF_STD").is_ok(); let rustc_dep_of_std = env::var("CARGO_FEATURE_RUSTC_DEP_OF_STD").is_ok();