From b91db55c4eb21611832bba2eef4300d2816e1d04 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Mon, 25 Dec 2023 13:08:48 -0800
Subject: [PATCH] Rerun build script on RUSTC_BOOTSTRAP change

---
 build.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/build.rs b/build.rs
index 23f9ac1..9371dfc 100644
--- a/build.rs
+++ b/build.rs
@@ -47,6 +47,8 @@ const PROBE: &str = r#"
 
 fn main() {
     if cfg!(feature = "std") {
+        println!("cargo:rerun-if-env-changed=RUSTC_BOOTSTRAP");
+
         match compile_probe() {
             Some(status) if status.success() => println!("cargo:rustc-cfg=backtrace"),
             _ => {}