Use/support modern nixpkgs on Darwin (#21381)

Bump nixpkgs pin from NixOS/nixpkgs@23e89b7da8 (committed 2024-11-19) to NixOS/nixpkgs@4bd9165a91 (committed 2026-04-14).

Accordingly, drop explicit framework use, per NixOS/nixpkgs#346043

.devops/nix/package.nix

@@ -12,7 +12,6 @@
   blas,
   cudaPackages,
   autoAddDriverRunpath,
-  darwin,
   rocmPackages,
   vulkan-headers,
   vulkan-loader,
@@ -75,17 +74,6 @@ let
     ln -s /usr/bin/xcrun $out/bin
   '';
 
-  # apple_sdk is supposed to choose sane defaults, no need to handle isAarch64
-  # separately
-  darwinBuildInputs =
-    with darwin.apple_sdk.frameworks;
-    [
-      Accelerate
-      CoreVideo
-      CoreGraphics
-    ]
-    ++ optionals useMetalKit [ MetalKit ];
-
   cudaBuildInputs = with cudaPackages; [
     cuda_cudart
     cuda_cccl # <nv/target>
@@ -155,8 +143,7 @@ effectiveStdenv.mkDerivation (finalAttrs: {
     ++ optionals (effectiveStdenv.isDarwin && useMetalKit && precompileMetalShaders) [ xcrunHost ];
 
   buildInputs =
-    optionals effectiveStdenv.isDarwin darwinBuildInputs
-    ++ optionals useCuda cudaBuildInputs
+    optionals useCuda cudaBuildInputs
     ++ optionals useMpi [ mpi ]
     ++ optionals useRocm rocmBuildInputs
     ++ optionals useBlas [ blas ]

flake.lock

@@ -5,11 +5,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1730504689,
-        "narHash": "sha256-hgmguH29K2fvs9szpq2r3pz2/8cJd2LPS+b4tfNFCwE=",
+        "lastModified": 1775087534,
+        "narHash": "sha256-91qqW8lhL7TLwgQWijoGBbiD4t7/q75KTi8NxjVmSmA=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "506278e768c2a08bec68eb62932193e341f55c90",
+        "rev": "3107b77cd68437b9a76194f0f7f9c55f2329ca5b",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1732014248,
-        "narHash": "sha256-y/MEyuJ5oBWrWAic/14LaIr/u5E0wRVzyYsouYY3W6w=",
+        "lastModified": 1776169885,
+        "narHash": "sha256-l/iNYDZ4bGOAFQY2q8y5OAfBBtrDAaPuRQqWaFHVRXM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "23e89b7da85c3640bbc2173fe04f4bd114342367",
+        "rev": "4bd9165a9165d7b5e33ae57f3eecbcb28fb231c9",
         "type": "github"
       },
       "original": {
@@ -36,14 +36,17 @@
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1730504152,
-        "narHash": "sha256-lXvH/vOfb4aGYyvFmZK/HlsNsr/0CVWlwYvo2rxJk3s=",
-        "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/cc2f28000298e1269cea6612cd06ec9979dd5d7f.tar.gz"
+        "lastModified": 1774748309,
+        "narHash": "sha256-+U7gF3qxzwD5TZuANzZPeJTZRHS29OFQgkQ2kiTJBIQ=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "333c4e0545a6da976206c74db8773a1645b5870a",
+        "type": "github"
       },
       "original": {
-        "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/cc2f28000298e1269cea6612cd06ec9979dd5d7f.tar.gz"
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
       }
     },
     "root": {