use std::env; fn main() { println!("cargo:rerun-if-env-changed=CARGO_CFG_BPF_TARGET_ARCH"); if let Ok(arch) = env::var("CARGO_CFG_BPF_TARGET_ARCH") { println!("cargo:rustc-cfg=bpf_target_arch=\"{arch}\""); } else { let arch = env::var("HOST").unwrap(); let mut arch = arch.split_once('-').map_or(&*arch, |x| x.0); if arch.starts_with("riscv64") { arch = "riscv64"; } println!("cargo:rustc-cfg=bpf_target_arch=\"{arch}\""); } print!("cargo::rustc-check-cfg=cfg(bpf_target_arch, values("); for arch in [ "aarch64", "arm", "loongarch64", "mips", "powerpc64", "riscv64", "s390x", "x86_64", ] { print!("\"{arch}\","); } println!("))"); }