From 8428456df6cb6faf5f5468794e879af98e653f16 Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <pavol@rusnak.io>
Date: Fri, 3 Dec 2021 12:49:08 +0100
Subject: [PATCH] ci(nix): use explicit versions for clang and gcc (#1969)

---
 ci/shell.nix | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/ci/shell.nix b/ci/shell.nix
index 1cf22aaece..c416283597 100644
--- a/ci/shell.nix
+++ b/ci/shell.nix
@@ -37,9 +37,11 @@ let
     # to use official binary, remove rustfmt from buildInputs and add it to extensions:
     extensions = [ "clippy" ];
   };
+  gcc = nixpkgs.gcc11;
+  llvmPackages = nixpkgs.llvmPackages_12;
 in
 with nixpkgs;
-stdenv.mkDerivation ({
+stdenvNoCC.mkDerivation ({
   name = "trezor-firmware-env";
   buildInputs = lib.optionals fullDeps [
     # install other python versions for tox testing
@@ -55,8 +57,7 @@ stdenv.mkDerivation ({
     autoflake
     bash
     check
-    clang-tools
-    clang
+    llvmPackages.clang
     editorconfig-checker
     gcc
     git