From fe82a37e8279c5b1cf5256972b97cf2a12252935 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Mon, 12 Dec 2022 14:37:40 -0800
Subject: [PATCH] Prevent build.rs rerunning unnecessarily on all source
 changes

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

diff --git a/build.rs b/build.rs
index b95f796..1f67922 100644
--- a/build.rs
+++ b/build.rs
@@ -3,6 +3,8 @@ use std::fs;
 use std::path::PathBuf;
 
 fn main() {
+    println!("cargo:rerun-if-changed=build.rs");
+
     let libstdcxx = cfg!(feature = "libstdc++");
     let libcxx = cfg!(feature = "libc++");
     let nothing = cfg!(feature = "nothing");