diff options
Diffstat (limited to 'build.rs')
-rw-r--r-- | build.rs | 26 |
1 files changed, 21 insertions, 5 deletions
@@ -15,10 +15,11 @@ use std::env; include!("no_atomic.rs"); +include!("build-common.rs"); fn main() { let target = match env::var("TARGET") { - Ok(target) => target, + Ok(target) => convert_custom_linux_target(target), Err(e) => { println!( "cargo:warning={}: unable to get TARGET environment variable: {}", @@ -29,13 +30,28 @@ fn main() { } }; - // Note that this is `no_*`, not `has_*`. This allows treating - // `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. + let cfg = match autocfg::AutoCfg::new() { + Ok(cfg) => cfg, + Err(e) => { + println!( + "cargo:warning={}: unable to determine rustc version: {}", + 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_CAS.contains(&&*target) { println!("cargo:rustc-cfg=crossbeam_no_atomic_cas"); } + if !cfg.probe_rustc_version(1, 61) { + println!("cargo:rustc-cfg=crossbeam_no_const_fn_trait_bound"); + } + println!("cargo:rerun-if-changed=no_atomic.rs"); } |