Francesco Gazzetta
--- a/ghc.nix
+++ b/ghc.nix
  };

  pkgs = import nixpkgs { inherit system; overlays = [ overlay ]; };
-  pkgs-cross = if crossTargetPkgs != null then pkgs.pkgsCross.${crossTargetPkgs} else null;
+  pkgs-cross = if crossTargetPkgs != null then crossTargetPkgs else pkgs.pkgsCross.${crossTarget};
-  pkgs-cross = if crossTargetPkgs != null then crossTargetPkgs else pkgs.pkgsCross.${crossTarget};
+  pkgs-cross = if crossTarget != null then pkgs.pkgsCross.${crossTarget} else null;
--- a/ghc.nix
+++ b/ghc.nix
-#      gmp.out
      glibcLocales
-      ncurses.dev
-      ncurses.out
      perl
      git
      file
      which
      python3
      xorg.lndir # for source distribution generation
+      hlint
+      clang_15
+      gcc
+      lld_15
+    ])
+    ++ (with pkgs; [
-    ++ (with pkgs; [
+    ++ (with buildPackages; [
--- a/ghc.nix
+++ b/ghc.nix
  packages = _pkgset: [ hsdrv ];
  nativeBuildInputs = depsTools;
  buildInputs = depsSystem;
-  passthru.pkgs = pkgs;
+  passthru.pkgs = buildPackages;

  hardeningDisable = [ "fortify" ]; ## Effectuated by cc-wrapper
  # Without this, we see a whole bunch of warnings about LANG, LC_ALL and locales in general.
  # In particular, this makes many tests fail because those warnings show up in test outputs too...
  # The solution is from: https://github.com/NixOS/nix/issues/318#issuecomment-52986702
-  LOCALE_ARCHIVE = if stdenv.isLinux then "${glibcLocales}/lib/locale/locale-archive" else "";
+  LOCALE_ARCHIVE = if stdenv.isLinux then "${buildPackages.glibcLocales}/lib/locale/locale-archive" else "";

  CONFIGURE_ARGS =
-    if crossTargetPkgs == null then
+    if crossTarget == null then with pkgs;