From d91f8ba950e2faf4db4e283e917ba2ee94a9b8a4 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Sun, 9 Mar 2025 12:38:42 -0700
Subject: [PATCH] Drop unused no_float_copysign cfg

Stable since Rust 1.35.
---
 serde/build.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/serde/build.rs b/serde/build.rs
index 69fa327e..fe9fd15c 100644
--- a/serde/build.rs
+++ b/serde/build.rs
@@ -19,7 +19,6 @@ fn main() {
         println!("cargo:rustc-check-cfg=cfg(no_core_net)");
         println!("cargo:rustc-check-cfg=cfg(no_core_num_saturating)");
         println!("cargo:rustc-check-cfg=cfg(no_diagnostic_namespace)");
-        println!("cargo:rustc-check-cfg=cfg(no_float_copysign)");
         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)");