1fn main() {
 2    #[cfg(feature = "arch-arm64-sve")]
 3    compile_arch_arm64_sve();
 4}
 5
 6#[cfg(feature = "arch-arm64-sve")]
 7fn compile_arch_arm64_sve() {
 8    println!("cargo:rerun-if-changed=arch/arm64-sve/library.c");
 9    println!("cargo:rerun-if-changed=arch/arm64-sve/library.h");
10    println!("cargo:rerun-if-changed=arch/arm64-sve/rpo_hash.h");
11
12    cc::Build::new()
13        .file("arch/arm64-sve/library.c")
14        .flag("-march=armv8-a+sve")
15        .flag("-O3")
16        .compile("rpo_sve");
17}