use std::path::PathBuf;
fn main() {
let target = std::env::var("TARGET").ok();
let target_arch = target
.as_ref()
.and_then(|target| target.split('-').next())
.unwrap_or("x86_64");
let file = PathBuf::from(format!("src/arch/{}/syscall.c", target_arch));
println!("cargo:rerun-if-changed={}", file.display());
if file.exists() {
cc::Build::new().file(file).compile("syscall");
} else {
println!(
"cargo:warning=The '{}' architecture is currently unsupported in the syscalls crate. Raw syscalls for that architecture will not be available.",
target_arch
);
}
}