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Versions: 11
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Contents
// The rustc-cfg listed below are considered public API, but it is *unstable*
// and outside of the normal semver guarantees:
//
// - `crossbeam_no_atomic`
// Assume the target does *not* support any atomic operations.
// This is usually detected automatically by the build script, but you may
// need to enable it manually when building for custom targets or using
// non-cargo build systems that don't run the build script.
//
// With the exceptions mentioned above, the rustc-cfg emitted by the build
// script are *not* public API.
#![warn(rust_2018_idioms)]
use std::env;
include!("no_atomic.rs");
include!("build-common.rs");
fn main() {
println!("cargo:rerun-if-changed=no_atomic.rs");
let target = match env::var("TARGET") {
Ok(target) => convert_custom_linux_target(target),
Err(e) => {
println!(
"cargo:warning={}: unable to get TARGET environment variable: {}",
env!("CARGO_PKG_NAME"),
e
);
return;
}
};
// Note that this is `no_`*, not `has_*`. This allows treating as the latest
// stable rustc is used when the build script doesn't run. This is useful
// for non-cargo build systems that don't run the build script.
if NO_ATOMIC.contains(&&*target) {
println!("cargo:rustc-cfg=crossbeam_no_atomic");
}
// `cfg(sanitize = "..")` is not stabilized.
let sanitize = env::var("CARGO_CFG_SANITIZE").unwrap_or_default();
if sanitize.contains("thread") {
println!("cargo:rustc-cfg=crossbeam_sanitize_thread");
}
}
Version data entries
11 entries across 11 versions & 1 rubygems