7320db98d1
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
24 lines
862 B
Rust
24 lines
862 B
Rust
use std::env;
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fn main() {
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let mut build = cc::Build::new();
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let arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
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let os = env::var("CARGO_CFG_TARGET_OS").unwrap();
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if os == "windows" {
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println!("cargo:rerun-if-changed=src/windows.c");
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build.file("src/windows.c");
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} else if arch == "s390x" {
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println!("cargo:rerun-if-changed=src/unix/s390x.S");
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build.file("src/unix/s390x.S");
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} else {
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// assume that this is included via inline assembly in the crate itself,
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// and the crate will otherwise have a `compile_error!` for unsupported
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// platforms.
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println!("cargo:rerun-if-changed=build.rs");
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return;
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}
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build.define(&format!("CFG_TARGET_OS_{}", os), None);
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build.define(&format!("CFG_TARGET_ARCH_{}", arch), None);
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build.compile("wasmtime-fiber");
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}
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