rust/library/std/build.rs
Peter Jaszkowiak 49aa5a23ca Revert "Invoke backtrace-rs buildscript in std buildscript"
This reverts commit 93677276bc
because it caused issues for projects building the standard
library with non-cargo build systems.
2023-10-13 13:43:00 -06:00

63 lines
2.4 KiB
Rust

use std::env;
fn main() {
println!("cargo:rerun-if-changed=build.rs");
let target = env::var("TARGET").expect("TARGET was not set");
if target.contains("freebsd") {
if env::var("RUST_STD_FREEBSD_12_ABI").is_ok() {
println!("cargo:rustc-cfg=freebsd12");
} else if env::var("RUST_STD_FREEBSD_13_ABI").is_ok() {
println!("cargo:rustc-cfg=freebsd12");
println!("cargo:rustc-cfg=freebsd13");
}
} else if target.contains("linux")
|| target.contains("netbsd")
|| target.contains("dragonfly")
|| target.contains("openbsd")
|| target.contains("solaris")
|| target.contains("illumos")
|| target.contains("apple-darwin")
|| target.contains("apple-ios")
|| target.contains("apple-tvos")
|| target.contains("apple-watchos")
|| target.contains("uwp")
|| target.contains("windows")
|| target.contains("fuchsia")
|| (target.contains("sgx") && target.contains("fortanix"))
|| target.contains("hermit")
|| target.contains("l4re")
|| target.contains("redox")
|| target.contains("haiku")
|| target.contains("vxworks")
|| target.contains("wasm32")
|| target.contains("wasm64")
|| target.contains("asmjs")
|| target.contains("espidf")
|| target.contains("solid")
|| target.contains("nintendo-3ds")
|| target.contains("vita")
|| target.contains("aix")
|| target.contains("nto")
|| target.contains("xous")
|| target.contains("hurd")
|| target.contains("uefi")
// See src/bootstrap/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=feature=\"restricted-std\"");
}
println!("cargo:rustc-env=STD_ENV_ARCH={}", env::var("CARGO_CFG_TARGET_ARCH").unwrap());
println!("cargo:rustc-cfg=backtrace_in_libstd");
}