ctranslate2: use cudaPackages.backendStdenv

pkgs/development/libraries/ctranslate2/default.nix

@@ -24,8 +24,9 @@
 
 let
   cmakeBool = b: if b then "ON" else "OFF";
+  stdenv' = if withCUDA then cudaPackages.backendStdenv else stdenv;
 in
-stdenv.mkDerivation rec {
+stdenv'.mkDerivation rec {
   pname = "ctranslate2";
   version = "4.6.0";
 

pkgs/top-level/all-packages.nix

@@ -7634,7 +7634,6 @@ with pkgs;
   inherit (cosmopolitan) cosmocc;
 
   ctranslate2 = callPackage ../development/libraries/ctranslate2 rec {
-    stdenv = if withCUDA then gcc11Stdenv else pkgs.stdenv;
     withCUDA = pkgs.config.cudaSupport;
     withCuDNN = withCUDA && (cudaPackages ? cudnn);
     cudaPackages = pkgs.cudaPackages;