From afb298e33916b2f79844a6ae166588eff749bbc1 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Wed, 20 Dec 2023 16:22:00 -0800
Subject: [PATCH] Label the compiler versions in build.rs with a comment and
 link

---
 build.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/build.rs b/build.rs
index 66d293b..a31b631 100644
--- a/build.rs
+++ b/build.rs
@@ -59,10 +59,14 @@ fn main() {
     };
 
     if rustc < 51 {
+        // core::ptr::addr_of
+        // https://blog.rust-lang.org/2021/03/25/Rust-1.51.0.html#stabilized-apis
         println!("cargo:rustc-cfg=anyhow_no_ptr_addr_of");
     }
 
     if rustc < 52 {
+        // core::fmt::Arguments::as_str
+        // https://blog.rust-lang.org/2021/05/06/Rust-1.52.0.html#stabilized-apis
         println!("cargo:rustc-cfg=anyhow_no_fmt_arguments_as_str");
     }
 }