From a3283962bc289326c2b908681f0a476c53f428b7 Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Wed, 8 Apr 2020 12:32:00 +0200
Subject: [PATCH] Update the rustc usage section of the readme

---
 Readme.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Readme.md b/Readme.md
index 4ff92d705a8..5d86ae5e525 100644
--- a/Readme.md
+++ b/Readme.md
@@ -25,8 +25,10 @@ If you compiled cg_clif in debug mode you should use `CHANNEL="debug"` instead o
 
 ### Rustc
 
+> You should prefer using the Cargo method.
+
 ```bash
-$ rustc -Cpanic=abort -Zcodegen-backend=$cg_clif_dir/target/release/librustc_codegen_cranelift.so --sysroot $cg_clif_dir/build_sysroot/sysroot my_crate.rs
+$ rustc +$(cat $cg_clif_dir/rust-toolchain) -Cpanic=abort -Zcodegen-backend=$cg_clif_dir/target/release/librustc_codegen_cranelift.so --sysroot $cg_clif_dir/build_sysroot/sysroot my_crate.rs
 ```
 
 ## Env vars