oneDNN_2: init at 2.7.1

pkgs/development/libraries/oneDNN/2.nix

@@ -0,0 +1,41 @@
+{ stdenv, lib, fetchFromGitHub, cmake }:
+
+# This was originally called mkl-dnn, then it was renamed to dnnl, and it has
+# just recently been renamed again to oneDNN. See here for details:
+# https://github.com/oneapi-src/oneDNN#oneapi-deep-neural-network-library-onednn
+stdenv.mkDerivation rec {
+  pname = "oneDNN";
+  version = "2.7.1";
+
+  src = fetchFromGitHub {
+    owner = "oneapi-src";
+    repo = "oneDNN";
+    rev = "v${version}";
+    sha256 = "sha256-HBCuSZkApd/6UkAxz/KDFb/gyX2SI1S2GwgXAXSTU/c=";
+  };
+
+  outputs = [ "out" "dev" "doc" ];
+
+  nativeBuildInputs = [ cmake ];
+
+  # Tests fail on some Hydra builders, because they do not support SSE4.2.
+  doCheck = false;
+
+  # Fixup bad cmake paths
+  postInstall = ''
+    substituteInPlace $out/lib/cmake/dnnl/dnnl-config.cmake \
+      --replace "\''${PACKAGE_PREFIX_DIR}/" ""
+
+    substituteInPlace $out/lib/cmake/dnnl/dnnl-targets.cmake \
+      --replace "\''${_IMPORT_PREFIX}/" ""
+  '';
+
+  meta = with lib; {
+    description = "oneAPI Deep Neural Network Library (oneDNN)";
+    homepage = "https://01.org/oneDNN";
+    changelog = "https://github.com/oneapi-src/oneDNN/releases/tag/v${version}";
+    license = licenses.asl20;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ alexarice bhipple ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -23416,6 +23416,8 @@ with pkgs;
 
   oneDNN = callPackage ../development/libraries/oneDNN { };
 
+  oneDNN_2 = callPackage ../development/libraries/oneDNN/2.nix { };
+
   onedrive = callPackage ../applications/networking/sync/onedrive { };
 
   oneko = callPackage ../applications/misc/oneko { };