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use std::env;
fn main() {
println!("cargo:rerun-if-changed=build.rs");
let target_arch = env::var("CARGO_CFG_TARGET_ARCH").expect("CARGO_CFG_TARGET_ARCH was not set");
let target_os = env::var("CARGO_CFG_TARGET_OS").expect("CARGO_CFG_TARGET_OS was not set");
let target_vendor =
env::var("CARGO_CFG_TARGET_VENDOR").expect("CARGO_CFG_TARGET_VENDOR was not set");
let target_env = env::var("CARGO_CFG_TARGET_ENV").expect("CARGO_CFG_TARGET_ENV was not set");
println!("cargo:rustc-check-cfg=cfg(netbsd10)");
if target_os == "netbsd" && env::var("RUSTC_STD_NETBSD10").is_ok() {
println!("cargo:rustc-cfg=netbsd10");
}
println!("cargo:rustc-check-cfg=cfg(restricted_std)");
if target_os == "linux"
|| target_os == "android"
|| target_os == "netbsd"
|| target_os == "dragonfly"
|| target_os == "openbsd"
|| target_os == "freebsd"
|| target_os == "solaris"
|| target_os == "illumos"
|| target_os == "macos"
|| target_os == "ios"
|| target_os == "tvos"
|| target_os == "watchos"
|| target_os == "visionos"
|| target_os == "windows"
|| target_os == "fuchsia"
|| (target_vendor == "fortanix" && target_env == "sgx")
|| target_os == "hermit"
|| target_os == "trusty"
|| target_os == "l4re"
|| target_os == "redox"
|| target_os == "haiku"
|| target_os == "vxworks"
|| target_arch == "wasm32"
|| target_arch == "wasm64"
|| target_os == "espidf"
|| target_os.starts_with("solid")
|| (target_vendor == "nintendo" && target_env == "newlib")
|| target_os == "vita"
|| target_os == "aix"
|| target_os == "nto"
|| target_os == "xous"
|| target_os == "hurd"
|| target_os == "uefi"
|| target_os == "teeos"
|| target_os == "zkvm"
|| target_os == "rtems"
|| target_os == "nuttx"
|| target_os == "cygwin"
// See src/bootstrap/src/core/build_steps/synthetic_targets.rs
|| env::var("RUSTC_BOOTSTRAP_SYNTHETIC_TARGET").is_ok()
{
// These platforms don't have any special requirements.
} else {
// This is for Cargo's build-std support, to mark std as unstable for
// typically no_std platforms.
// This covers:
// - os=none ("bare metal" targets)
// - mipsel-sony-psp
// - nvptx64-nvidia-cuda
// - arch=avr
// - JSON targets
// - Any new targets that have not been explicitly added above.
println!("cargo:rustc-cfg=restricted_std");
}
println!("cargo:rustc-check-cfg=cfg(backtrace_in_libstd)");
println!("cargo:rustc-cfg=backtrace_in_libstd");
println!("cargo:rustc-env=STD_ENV_ARCH={}", env::var("CARGO_CFG_TARGET_ARCH").unwrap());
}
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