diff options
Diffstat (limited to 'build.rs')
| -rw-r--r-- | build.rs | 40 |
1 files changed, 10 insertions, 30 deletions
@@ -1,10 +1,3 @@ -#![warn(rust_2018_idioms, single_use_lifetimes)] - -use autocfg::AutoCfg; -use std::env; - -include!("no_atomic_cas.rs"); - // The rustc-cfg listed below are considered public API, but it is *unstable* // and outside of the normal semver guarantees: // @@ -14,10 +7,15 @@ include!("no_atomic_cas.rs"); // 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 strings below are -// *not* public API. Please let us know by opening a GitHub issue if your build -// environment requires some way to enable these cfgs other than by executing -// our build script. +// With the exceptions mentioned above, the rustc-cfg emitted by the build +// script are *not* public API. + +#![warn(rust_2018_idioms, single_use_lifetimes)] + +use std::env; + +include!("no_atomic_cas.rs"); + fn main() { let target = match env::var("TARGET") { Ok(target) => target, @@ -35,27 +33,9 @@ fn main() { // `cfg(target_has_atomic = "ptr")` as true when the build script doesn't // run. This is needed for compatibility with non-cargo build systems that // don't run the build script. - if NO_ATOMIC_CAS_TARGETS.contains(&&*target) { + if NO_ATOMIC_CAS.contains(&&*target) { println!("cargo:rustc-cfg=futures_no_atomic_cas"); } - let cfg = match AutoCfg::new() { - Ok(cfg) => cfg, - Err(e) => { - println!( - "cargo:warning={}: unable to determine rustc version: {}", - env!("CARGO_PKG_NAME"), - e - ); - return; - } - }; - - // Function like procedural macros in expressions patterns statements stabilized in Rust 1.45: - // https://blog.rust-lang.org/2020/07/16/Rust-1.45.0.html#stabilizing-function-like-procedural-macros-in-expressions-patterns-and-statements - if cfg.probe_rustc_version(1, 45) { - println!("cargo:rustc-cfg=fn_like_proc_macro"); - } - println!("cargo:rerun-if-changed=no_atomic_cas.rs"); } |