Port WORKSPACE to Bzlmod for better compatibility with Bazel 8.0 and …

…later.

PiperOrigin-RevId: 704450706

.bazelrc

@@ -1,5 +1,6 @@
 # Common settings
-common --enable_workspace
+common --enable_bzlmod
+build --enable_bzlmod
 
 # Basic build settings
 build --jobs 128

WORKSPACE → MODULE.bazel

@@ -1,47 +1,33 @@
-workspace(name = "xnnpack")
-
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+## MODULE.bazel
+module(
+    name = "xnnpack",
+)
 
 # Bazel rule definitions
-http_archive(
-    name = "rules_cc",
-    sha256 = "3868eab488bd5be37a6acedbd222a196bea14408a2857916f33cce7b4780897d",
-    strip_prefix = "rules_cc-5e848c1434d3458018734238dbc4781f43992ea5",
-    urls = [
-        "https://github.com/bazelbuild/rules_cc/archive/5e848c1434d3458018734238dbc4781f43992ea5.zip",
-    ],
-)
+bazel_dep(name = "rules_cc", version = "0.1.0")
+bazel_dep(name = "rules_python", version = "1.0.0")
 
-# Bazel Python rule definitions.
-http_archive(
-    name = "rules_python",
-    sha256 = "4912ced70dc1a2a8e4b86cec233b192ca053e82bc72d877b98e126156e8f228d",
-    strip_prefix = "rules_python-0.32.2",
-    urls = [
-        "https://github.com/bazelbuild/rules_python/releases/download/0.32.2/rules_python-0.32.2.tar.gz",
-    ],
+pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
+pip.parse(
+    hub_name = "pip",
+    python_version = "3.11",
+    requirements_lock = "//:requirements_lock.txt",
 )
-
-load("@rules_python//python:repositories.bzl", "py_repositories")
-
-py_repositories()
+use_repo(pip, "pip")
 
 # Bazel Skylib.
-http_archive(
-    name = "bazel_skylib",
-    sha256 = "f7be3474d42aae265405a592bb7da8e171919d74c16f082a5457840f06054728",
-    urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.2.1/bazel-skylib-1.2.1.tar.gz",
-        "https://github.com/bazelbuild/bazel-skylib/releases/download/1.2.1/bazel-skylib-1.2.1.tar.gz",
-    ],
-)
+bazel_dep(name = "bazel_skylib", version = "1.7.1")
 
 # Bazel Platforms
-http_archive(
-    name = "platforms",
-    sha256 = "5308fc1d8865406a49427ba24a9ab53087f17f5266a7aabbfc28823f3916e1ca",
-    urls = ["https://github.com/bazelbuild/platforms/releases/download/0.0.6/platforms-0.0.6.tar.gz"],
-)
+bazel_dep(name = "platforms", version = "0.0.10")
+
+# TODO: some (most? all?) of the http_archive() calls below could become bazel_dep() calls,
+# but it would require verifying that the semver provided by the Bazel registry matches the hash
+# that we expect in CMake; it's not clear that it is a big win to do so given the modest
+# complexity of our deps, so I'm leaving it like this for now to ensure that the Bazel and CMake
+# builds are using identical dependencies.
+
+http_archive = use_repo_rule("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 # LINT.IfChange
 # Google Test framework, used by most unit-tests.
@@ -102,7 +88,7 @@ http_archive(
     sha256 = "ad37707084a6d4ff41be10cbe8540c75bea057ba79d0de6c367c1bfac6ba0852",
     strip_prefix = "kleidiai-40a926833857fb64786e02f97703e42b1537cb57",
     urls = [
-        "https://gitlab.arm.com/kleidi/kleidiai/-/archive/40a926833857fb64786e02f97703e42b1537cb57/kleidiai-40a926833857fb64786e02f97703e42b1537cb57.zip"
+        "https://gitlab.arm.com/kleidi/kleidiai/-/archive/40a926833857fb64786e02f97703e42b1537cb57/kleidiai-40a926833857fb64786e02f97703e42b1537cb57.zip",
     ],
 )
 # LINT.ThenChange(cmake/DownloadKleidiAI.cmake)