caffe: remove broken CUDA support

It’s been marked as broken for over a year and requires CUDA
10. Even the non‐CUDA variant of the package refused to evaluate
without enabling broken packages due to `cudnn`, so I’m not sure
anyone is using this package at all…

pkgs/applications/science/math/caffe/default.nix

@@ -14,23 +14,11 @@
 , Accelerate, CoreGraphics, CoreVideo
 , lmdbSupport ? true, lmdb
 , leveldbSupport ? true, leveldb, snappy
-, cudaSupport ? config.cudaSupport, cudaPackages ? { }
-, cudnnSupport ? cudaSupport
-, ncclSupport ? false
 , pythonSupport ? false, python ? null, numpy ? null
 , substituteAll
 }:
 
 let
-  inherit (cudaPackages) backendStdenv cudatoolkit nccl;
-  # The default for cudatoolkit 10.1 is CUDNN 8.0.5, the last version to support CUDA 10.1.
-  # However, this caffe does not build with CUDNN 8.x, so we use CUDNN 7.6.5 instead.
-  # Earlier versions of cudatoolkit use pre-8.x CUDNN, so we use the default.
-  hasCudnn =
-    if lib.versionOlder cudatoolkit.version "10.1"
-    then cudaPackages ? cudnn
-    else cudaPackages ? cudnn_7_6;
-
   toggle = bool: if bool then "ON" else "OFF";
 
   test_model_weights = fetchurl {
@@ -57,20 +45,12 @@ stdenv.mkDerivation rec {
     # boost_python expects
     [ (if pythonSupport then "-Dpython_version=${python.pythonVersion}" else "-DBUILD_python=OFF")
       "-DBLAS=open"
-    ] ++ (if cudaSupport then [
-           "-DCUDA_ARCH_NAME=All"
-           "-DCUDA_HOST_COMPILER=${backendStdenv.cc}/bin/cc"
-         ] else [ "-DCPU_ONLY=ON" ])
-      ++ ["-DUSE_NCCL=${toggle ncclSupport}"]
-      ++ ["-DUSE_LEVELDB=${toggle leveldbSupport}"]
+      "-DCPU_ONLY=ON"
+    ] ++ ["-DUSE_LEVELDB=${toggle leveldbSupport}"]
       ++ ["-DUSE_LMDB=${toggle lmdbSupport}"];
 
   buildInputs = [ boost gflags glog protobuf hdf5-cpp opencv4 blas ]
-                ++ lib.optional cudaSupport cudatoolkit
-                ++ lib.optional (lib.versionOlder cudatoolkit.version "10.1" && hasCudnn) cudaPackages.cudnn
-                ++ lib.optional (lib.versionAtLeast cudatoolkit.version "10.1" && hasCudnn) cudaPackages.cudnn_7_6
                 ++ lib.optional lmdbSupport lmdb
-                ++ lib.optional ncclSupport nccl
                 ++ lib.optionals leveldbSupport [ leveldb snappy ]
                 ++ lib.optionals pythonSupport [ python numpy ]
                 ++ lib.optionals stdenv.hostPlatform.isDarwin [ Accelerate CoreGraphics CoreVideo ]
@@ -105,9 +85,6 @@ stdenv.mkDerivation rec {
     substituteInPlace src/caffe/util/io.cpp --replace \
       'SetTotalBytesLimit(kProtoReadBytesLimit, 536870912)' \
       'SetTotalBytesLimit(kProtoReadBytesLimit)'
-  '' + lib.optionalString (cudaSupport && lib.versionAtLeast cudatoolkit.version "9.0") ''
-    # CUDA 9.0 doesn't support sm_20
-    sed -i 's,20 21(20) ,,' cmake/Cuda.cmake
   '';
 
   preConfigure = lib.optionalString pythonSupport ''
@@ -150,10 +127,7 @@ stdenv.mkDerivation rec {
     maintainers = [ ];
     broken =
       (pythonSupport && (python.isPy310))
-      || cudaSupport
       || !(leveldbSupport -> (leveldb != null && snappy != null))
-      || !(cudnnSupport -> (hasCudnn && cudaSupport))
-      || !(ncclSupport -> (cudaSupport && !nccl.meta.unsupported))
       || !(pythonSupport -> (python != null && numpy != null))
     ;
     license = licenses.bsd2;

pkgs/top-level/aliases.nix

@@ -182,6 +182,7 @@ mapAliases {
 
   ### C ###
 
+  caffeWithCuda = throw "caffeWithCuda has been removed, as it was broken and required CUDA 10"; # Added 2024-11-20
   calligra = kdePackages.calligra; # Added 2024-09-27
   callPackage_i686 = pkgsi686Linux.callPackage;
   cask = emacs.pkgs.cask; # Added 2022-11-12

pkgs/top-level/all-packages.nix

@@ -18102,15 +18102,11 @@ with pkgs;
   ### SCIENCE / MATH
 
   caffe = callPackage ../applications/science/math/caffe ({
-    inherit (config) cudaSupport;
-    cudaPackages = cudaPackages_10_1;
     opencv4 = opencv4WithoutCuda; # Used only for image loading.
     blas = openblas;
     inherit (darwin.apple_sdk.frameworks) Accelerate CoreGraphics CoreVideo;
   } // (config.caffe or {}));
 
-  caffeWithCuda = caffe.override { cudaSupport = true; };
-
   gap-minimal = lowPrio (gap.override { packageSet = "minimal"; });
 
   gap-full = lowPrio (gap.override { packageSet = "full"; });

pkgs/top-level/python-aliases.nix

@@ -101,6 +101,7 @@ mapAliases ({
   BTrees = btrees; # added 2023-02-19
   cacheyou = throw "cacheyou has been removed, as it was no longer used for the only consumer pdm"; # added 2023-12-21
   cadquery = throw "cadquery was removed, because it was disabled on all python version since 3.8 and marked as broken"; # added 2024-05-13
+  caffeWithCuda = throw "caffeWithCuda has been removed, as it was broken and required CUDA 10"; # Added 2024-11-20
   can = python-can; # added 2024-08-12
   carrot = throw "carrot has been removed, as its development was discontinued in 2012"; # added 2022-01-18
   case = throw "case has been removed, since it is an unused leaf package with a dependency on the nose test framework"; # added 2024-07-08

pkgs/top-level/python-packages.nix

@@ -1989,11 +1989,6 @@ self: super: with self; {
     inherit (self) python numpy boost;
   });
 
-  caffeWithCuda = toPythonModule (pkgs.caffeWithCuda.override {
-    pythonSupport = true;
-    inherit (self) python numpy boost;
-  });
-
   caio = callPackage ../development/python-modules/caio { };
 
   cairocffi = callPackage ../development/python-modules/cairocffi { };

pkgs/top-level/release-cuda.nix

@@ -118,7 +118,6 @@ let
       python3Packages = {
         boxx = linux;
         bpycv = linux;
-        caffe = linux;
         catboost = linux;
         chainer = linux;
         cupy = linux;