embree2: drop

pkgs/development/libraries/embree/2.x.nix

@@ -1,71 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  cmake,
-  pkg-config,
-  ispc,
-  tbb_2020,
-  glfw,
-  openimageio,
-  libjpeg,
-  libpng,
-  libpthreadstubs,
-  libX11,
-  python3Packages,
-  nix-update-script,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "embree";
-  version = "2.17.7";
-
-  src = fetchFromGitHub {
-    owner = "embree";
-    repo = "embree";
-    tag = "v${finalAttrs.version}";
-    hash = "sha256-FD/ITZBJnYy1F+x4jLTVTsGsNKy/mS7OYWP06NoHZqc=";
-  };
-
-  cmakeFlags = [ "-DEMBREE_TUTORIALS=OFF" ];
-
-  nativeBuildInputs = [
-    cmake
-    pkg-config
-  ];
-  buildInputs = [
-    ispc
-    # tbb_2022 is not backward compatible
-    tbb_2020
-    glfw
-    openimageio
-    libjpeg
-    libpng
-    libX11
-    libpthreadstubs
-  ];
-
-  passthru = {
-    updateScript = nix-update-script {
-      extraArgs = [
-        "--version-regex"
-        "v(2.*)"
-      ];
-    };
-    tbb = tbb_2020;
-    tests = {
-      inherit (python3Packages) embreex;
-    };
-  };
-
-  meta = with lib; {
-    description = "High performance ray tracing kernels from Intel";
-    homepage = "https://embree.github.io/";
-    maintainers = with maintainers; [
-      hodapp
-      pbsds
-    ];
-    license = licenses.asl20;
-    platforms = [ "x86_64-linux" ];
-  };
-})

pkgs/top-level/aliases.nix

@@ -828,6 +828,7 @@ mapAliases {
   emacsWithPackages = throw "'emacsWithPackages' has been renamed to/replaced by 'emacs.pkgs.withPackages'"; # Converted to throw 2024-10-17
   emacsPackages = emacs.pkgs; # Added 2025-03-02
 
+  embree2 = throw "embree2 has been removed, as it is unmaintained upstream and depended on tbb_2020"; # Added 2025-09-14
   EmptyEpsilon = empty-epsilon; # Added 2024-07-14
   enyo-doom = enyo-launcher; # Added 2022-09-09
   eolie = throw "'eolie' has been removed due to being unmaintained"; # Added 2025-04-15

pkgs/top-level/all-packages.nix

@@ -2762,7 +2762,6 @@ with pkgs;
   );
 
   embree = callPackage ../development/libraries/embree { };
-  embree2 = callPackage ../development/libraries/embree/2.x.nix { };
 
   emborg = python3Packages.callPackage ../development/python-modules/emborg { };