diff options
Diffstat (limited to 'vendor/serde/build.rs')
| -rw-r--r-- | vendor/serde/build.rs | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/vendor/serde/build.rs b/vendor/serde/build.rs index a1103b520..ccbddd273 100644 --- a/vendor/serde/build.rs +++ b/vendor/serde/build.rs @@ -6,6 +6,8 @@ use std::str::{self, FromStr}; // opening a GitHub issue if your build environment requires some way to enable // these cfgs other than by executing our build script. fn main() { + println!("cargo:rerun-if-changed=build.rs"); + let minor = match rustc_minor_version() { Some(minor) => minor, None => return, @@ -89,24 +91,28 @@ fn main() { println!("cargo:rustc-cfg=no_core_try_from"); println!("cargo:rustc-cfg=no_num_nonzero_signed"); println!("cargo:rustc-cfg=no_systemtime_checked_add"); + 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. - let has_atomic64 = target.starts_with("x86_64") - || target.starts_with("i686") - || target.starts_with("aarch64") - || target.starts_with("powerpc64") - || target.starts_with("sparc64") - || target.starts_with("mips64el") - || target.starts_with("riscv64"); - let has_atomic32 = has_atomic64 || emscripten; - if minor < 34 || !has_atomic64 { - println!("cargo:rustc-cfg=no_std_atomic64"); - } - if minor < 34 || !has_atomic32 { - println!("cargo:rustc-cfg=no_std_atomic"); + // Support for #[cfg(target_has_atomic = "...")] stabilized in Rust 1.60. + if minor < 60 { + 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") + || target.starts_with("i686") + || target.starts_with("aarch64") + || target.starts_with("powerpc64") + || target.starts_with("sparc64") + || target.starts_with("mips64el") + || target.starts_with("riscv64"); + let has_atomic32 = has_atomic64 || emscripten; + if minor < 34 || !has_atomic64 { + println!("cargo:rustc-cfg=no_std_atomic64"); + } + if minor < 34 || !has_atomic32 { + println!("cargo:rustc-cfg=no_std_atomic"); + } } } |