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Add rerun-if-changed to fiber/build.rs (#4377)

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Not having rerun-if-changed leads to including nanosecond-precision
mtimes in fingerprints and unnecessary rebuilds in docker [1].

[1] https://github.com/rust-lang/cargo/blob/0.63.1/src/cargo/core/compiler/fingerprint.rs#L1491
This commit is contained in:
Ilya Leoshkevich
2022-07-05 17:27:51 +02:00
committed by GitHub
parent 11858afc94
commit 7320db98d1
1 changed files with 3 additions and 0 deletions
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3
crates/fiber/build.rs
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@@ -5,13 +5,16 @@ fn main() {
let arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap(); let arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
let os = env::var("CARGO_CFG_TARGET_OS").unwrap(); let os = env::var("CARGO_CFG_TARGET_OS").unwrap();
if os == "windows" { if os == "windows" {
println!("cargo:rerun-if-changed=src/windows.c");
build.file("src/windows.c"); build.file("src/windows.c");
} else if arch == "s390x" { } else if arch == "s390x" {
println!("cargo:rerun-if-changed=src/unix/s390x.S");
build.file("src/unix/s390x.S"); build.file("src/unix/s390x.S");
} else { } else {
// assume that this is included via inline assembly in the crate itself, // assume that this is included via inline assembly in the crate itself,
// and the crate will otherwise have a `compile_error!` for unsupported // and the crate will otherwise have a `compile_error!` for unsupported
// platforms. // platforms.
println!("cargo:rerun-if-changed=build.rs");
return; return;
} }
build.define(&format!("CFG_TARGET_OS_{}", os), None); build.define(&format!("CFG_TARGET_OS_{}", os), None);