From d48bd490c0091b1904791e4efa974a0a50bba29d Mon Sep 17 00:00:00 2001
From: Dan Gohman <dev@sunfishcode.online>
Date: Sat, 18 Mar 2023 11:07:37 -0700
Subject: [PATCH] Use `RUSTC_WRAPPER` instead of `CARGO_RUSTC_WRAPPER`.

Similar to dtolnay/anyhow#248, and as suggested [here], check `RUSTC_WRAPPER` instead of `CARGO_RUSTC_WRAPPER`.

[here]: https://github.com/bytecodealliance/rustix/pull/544#discussion_r1140467731
---
 build.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.rs b/build.rs
index 71ad66d..ab555ba 100644
--- a/build.rs
+++ b/build.rs
@@ -47,7 +47,7 @@ fn can_compile<T: AsRef<str>>(test: T) -> bool {
     let rustc = var("RUSTC").unwrap();
     let target = var("TARGET").unwrap();
 
-    let mut cmd = if let Ok(wrapper) = var("CARGO_RUSTC_WRAPPER") {
+    let mut cmd = if let Ok(wrapper) = var("RUSTC_WRAPPER") {
         let mut cmd = std::process::Command::new(wrapper);
         // The wrapper's first argument is supposed to be the path to rustc.
         cmd.arg(rustc);