From 63c8961f8b144ca40314909330f7759d1fa7e530 Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Thu, 9 Feb 2023 01:15:07 +0100
Subject: [PATCH] build-support/rust/sysroot: let cargo-src crate become no_std

---
 pkgs/build-support/rust/sysroot/src.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/build-support/rust/sysroot/src.nix b/pkgs/build-support/rust/sysroot/src.nix
index 3d11b62dd315..664702e82c31 100644
--- a/pkgs/build-support/rust/sysroot/src.nix
+++ b/pkgs/build-support/rust/sysroot/src.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   + ''
     ${buildPackages.python3.withPackages (ps: with ps; [ toml ])}/bin/python3 ${./cargo.py}
     mkdir -p $out/src
-    touch $out/src/lib.rs
+    echo '#![no_std]' > $out/src/lib.rs
     cp Cargo.toml $out/Cargo.toml
     cp ${./Cargo.lock} $out/Cargo.lock
   '';