Define known cfgs in serde build.rs

dtolnay · May 5, 2024 · 07c07d2 · 07c07d2
1 parent cc865ac
commit 07c07d2
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/serde/build.rs b/serde/build.rs
@@ -8,6 +8,19 @@ use std::str::{self, FromStr};
 fn main() {
     println!("cargo:rerun-if-changed=build.rs");
 
+    println!("cargo:rustc-check-cfg=cfg(doc_cfg)");
+    println!("cargo:rustc-check-cfg=cfg(no_core_cstr)");
+    println!("cargo:rustc-check-cfg=cfg(no_core_num_saturating)");
+    println!("cargo:rustc-check-cfg=cfg(no_core_try_from)");
+    println!("cargo:rustc-check-cfg=cfg(no_float_copysign)");
+    println!("cargo:rustc-check-cfg=cfg(no_num_nonzero_signed)");
+    println!("cargo:rustc-check-cfg=cfg(no_relaxed_trait_bounds)");
+    println!("cargo:rustc-check-cfg=cfg(no_serde_derive)");
+    println!("cargo:rustc-check-cfg=cfg(no_std_atomic)");
+    println!("cargo:rustc-check-cfg=cfg(no_std_atomic64)");
+    println!("cargo:rustc-check-cfg=cfg(no_systemtime_checked_add)");
+    println!("cargo:rustc-check-cfg=cfg(no_target_has_atomic)");
+
     let minor = match rustc_minor_version() {
         Some(minor) => minor,
         None => return,