From a8703c163f5aa66819f515356530420955374386 Mon Sep 17 00:00:00 2001
From: Techcable <git@techcable.net>
Date: Thu, 19 Sep 2024 22:01:41 -0700
Subject: [PATCH] Attempt rust 1.0 compat for ci/verify-check-cfg

I can't use rust 1.0 on my computer (M1 Mac),
so I am relying on CI to check this.
---
 ci/verify-check-cfg/Cargo.toml | 2 +-
 ci/verify-check-cfg/build.rs   | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/ci/verify-check-cfg/Cargo.toml b/ci/verify-check-cfg/Cargo.toml
index 7602ccd..2da55fa 100644
--- a/ci/verify-check-cfg/Cargo.toml
+++ b/ci/verify-check-cfg/Cargo.toml
@@ -3,7 +3,7 @@
 name = "autocfg-verify-check-cfg"
 description = "A dummy crate to verify autocfg is emitting check-cfg directives"
 version = "0.1.0"
-edition = "2021"
+edition = "2015"
 # only for testing
 publish = false
 
diff --git a/ci/verify-check-cfg/build.rs b/ci/verify-check-cfg/build.rs
index 9df82c0..76098b7 100644
--- a/ci/verify-check-cfg/build.rs
+++ b/ci/verify-check-cfg/build.rs
@@ -1,3 +1,5 @@
+extern crate autocfg;
+
 pub fn main() {
     let cfg = autocfg::AutoCfg::new().unwrap();
 
@@ -8,7 +10,7 @@ pub fn main() {
     // always true
     cfg.emit_rustc_version(1, 0);
     // should always be false
-    cfg.emit_rustc_version(7, u32::MAX as usize);
+    cfg.emit_rustc_version(7, std::u32::MAX as usize);
 
     // always true
     cfg.emit_has_path("std::vec::Vec");