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use std::env;
use wasmtime_versioned_export_macros::versioned_suffix;
fn main() {
let mut build = cc::Build::new();
let arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
let os = env::var("CARGO_CFG_TARGET_OS").unwrap();
// NB: Technically `cfg(sanitize = "address")` is not stable and requires a
// `#![feature]` but sort of abuse the fact that cfgs are "leaked" through
// into Cargo ungated via `--print cfg`. Translate that to `cfg(asan)` for
// us to write down in the code.
println!("cargo:rustc-check-cfg=cfg(asan)");
match env::var("CARGO_CFG_SANITIZE") {
Ok(s) if s == "address" => {
println!("cargo:rustc-cfg=asan");
}
_ => {}
}
if os == "windows" {
println!("cargo:rerun-if-changed=src/windows.c");
build.file("src/windows.c");
build.define("VERSIONED_SUFFIX", Some(versioned_suffix!()));
} else if arch == "s390x" {
println!("cargo:rerun-if-changed=src/unix/s390x.S");
build.file("src/unix/s390x.S");
build.define("VERSIONED_SUFFIX", Some(versioned_suffix!()));
} else {
// assume that this is included via inline assembly in the crate itself,
// and the crate will otherwise have a `compile_error!` for unsupported
// platforms.
println!("cargo:rerun-if-changed=build.rs");
return;
}
build.define(&format!("CFG_TARGET_OS_{os}"), None);
build.define(&format!("CFG_TARGET_ARCH_{arch}"), None);
build.compile("wasmtime-fiber");
}
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