diff options
Diffstat (limited to 'build.rs')
| -rw-r--r-- | build.rs | 28 |
1 files changed, 7 insertions, 21 deletions
@@ -1,24 +1,12 @@ // The rustc-cfg listed below are considered public API, but it is *unstable* // and outside of the normal semver guarantees: // -// - `crossbeam_no_atomic_cas` -// Assume the target does *not* support atomic CAS 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. -// // - `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. // -// - `crossbeam_no_atomic_64` -// Assume the target does *not* support AtomicU64/AtomicI64. -// 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. @@ -30,6 +18,8 @@ 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) => { @@ -45,17 +35,13 @@ fn main() { // 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_CAS.contains(&&*target) { - println!("cargo:rustc-cfg=crossbeam_no_atomic_cas"); - } if NO_ATOMIC.contains(&&*target) { println!("cargo:rustc-cfg=crossbeam_no_atomic"); - println!("cargo:rustc-cfg=crossbeam_no_atomic_64"); - } else if NO_ATOMIC_64.contains(&&*target) { - println!("cargo:rustc-cfg=crossbeam_no_atomic_64"); - } else { - // Otherwise, assuming `"max-atomic-width" == 64` or `"max-atomic-width" == 128`. } - println!("cargo:rerun-if-changed=no_atomic.rs"); + // `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"); + } } |