use var_os for RUSTC

rust-lang · Mar 20, 2024 · 0de85cd · 0de85cd
1 parent 6cad5f0
commit 0de85cd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs
@@ -27,7 +27,7 @@ pub fn out_dir() -> PathBuf {
 }
 
 fn setup_common_rustc_build_cmd() -> Command {
-    let rustc = env::var("RUSTC").unwrap();
+    let rustc = env::var_os("RUSTC").unwrap();
     let mut cmd = Command::new(rustc);
     add_host_rpath_env(&mut cmd);
     cmd.arg("--out-dir").arg(out_dir()).arg("-L").arg(out_dir());