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Replace obsolete comment about target_has_atomic support

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David Tolnay 2022-12-11 15:55:19 -08:00
parent 6159ead404
commit 650358fa00
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1 changed files with 2 additions and 3 deletions
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serde/build.rs
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@ -92,11 +92,10 @@ fn main() {
println!("cargo:rustc-cfg=no_relaxed_trait_bounds"); println!("cargo:rustc-cfg=no_relaxed_trait_bounds");
} }
// Whitelist of archs that support std::sync::atomic module. Ideally we
// would use #[cfg(target_has_atomic = "...")] but it is not stable yet.
// Instead this is based on rustc's compiler/rustc_target/src/spec/*.rs.
if minor < 60 { if minor < 60 {
println!("cargo:rustc-cfg=no_target_has_atomic"); println!("cargo:rustc-cfg=no_target_has_atomic");
// Allowlist of archs that support std::sync::atomic module. This is
// based on rustc's compiler/rustc_target/src/spec/*.rs.
let has_atomic64 = target.starts_with("x86_64") let has_atomic64 = target.starts_with("x86_64")
|| target.starts_with("i686") || target.starts_with("i686")
|| target.starts_with("aarch64") || target.starts_with("aarch64")