Use TSL's import of DUCC.

This is a necessary first step before adding DUCC support to XLA,
otherwise the JAX tests in the XLA repo pull from JAX's copy,
which has slightly different build rules.

PiperOrigin-RevId: 576880208

WORKSPACE

@@ -2,9 +2,6 @@
 load("//third_party/xla:workspace.bzl", jax_xla_workspace = "repo")
 jax_xla_workspace()
 
-load("//third_party/ducc:workspace.bzl", ducc = "repo")
-ducc()
-
 load("@xla//:workspace4.bzl", "xla_workspace4")
 xla_workspace4()
 

jaxlib/cpu/BUILD

@@ -79,7 +79,7 @@ cc_library(
         ":ducc_fft_flatbuffers_cc",
         "@xla//xla/service:custom_call_status",
         "@com_github_google_flatbuffers//:flatbuffers",
-        "@ducc",
+        "@ducc//:fft",
     ],
 )
 

third_party/ducc/BUILD.bazel

@@ -1,33 +0,0 @@
-licenses(["notice"])
-
-package(default_visibility = ["//visibility:public"])
-
-# The following files are dual-licensed as BSD 3 clause and GPLv2. We choose BSD 3 clause.
-cc_library(
-    name = "ducc",
-    srcs = [
-        "src/ducc0/infra/aligned_array.h",
-        "src/ducc0/infra/error_handling.h",
-        "src/ducc0/infra/mav.h",
-        "src/ducc0/infra/misc_utils.h",
-        "src/ducc0/infra/simd.h",
-        "src/ducc0/infra/threading.cc",
-        "src/ducc0/infra/useful_macros.h",
-        "src/ducc0/math/cmplx.h",
-        "src/ducc0/math/unity_roots.h",
-    ],
-    hdrs = [
-        "src/ducc0/fft/fft.h",
-        "src/ducc0/fft/fft1d_impl.h",
-        "src/ducc0/fft/fftnd_impl.h",
-        "src/ducc0/infra/threading.h",
-    ],
-    copts = [
-        "-frtti",
-        "-fexceptions",
-        "-ffast-math",
-    ],
-    features = ["-use_header_modules"],
-    include_prefix = "ducc",
-    includes = ["src"],
-)

third_party/ducc/workspace.bzl

@@ -1,33 +0,0 @@
-# Copyright 2020 The JAX Authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""Bazel workspace for DUCC (CPU FFTs)."""
-
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-
-def repo():
-    # Attention: tools parse and update these lines.
-    DUCC_COMMIT = "2b2cead005e08d2632478e831d7f45da754162dc"
-    DUCC_SHA256 = "60719aa71d637dba594a03fed682bb6943dfffaa5557f8e8bb51228a295bbd79"
-
-    http_archive(
-        name = "ducc",
-        strip_prefix = "ducc-{commit}".format(commit = DUCC_COMMIT),
-        sha256 = DUCC_SHA256,
-        urls = [
-            "https://gitlab.mpcdf.mpg.de/mtr/ducc/-/archive/{commit}/ducc-{commit}.tar.gz".format(commit = DUCC_COMMIT),
-            "https://storage.googleapis.com/mirror.tensorflow.org/gitlab.mpcdf.mpg.de/mtr/ducc/-/archive/{commit}/ducc-{commit}.tar.gz".format(commit = DUCC_COMMIT),
-        ],
-        build_file = "@//third_party/ducc:BUILD.bazel",
-    )