chore: wip [skip ci]

Author: not-matthias

BUILD

@@ -0,0 +1,13 @@
+load("@bazel_skylib//rules:common_settings.bzl", "string_flag")
+
+# Codspeed mode flag for configuration
+string_flag(
+    name = "codspeed_mode",
+    build_setting_default = "off",
+    values = [
+        "off",
+        "instrumentation",
+        "walltime",
+    ],
+    visibility = ["//visibility:public"],
+)

MODULE.bazel

@@ -3,3 +3,10 @@ module(name = "codspeed", version = "1.3.0")
 bazel_dep(name = "rules_cc", version = "0.0.17")
 bazel_dep(name = "bazel_skylib", version = "1.7.1")
 bazel_dep(name = "platforms", version = "0.0.10")
+
+# Google Benchmark dependency (for perfcounters support)
+bazel_dep(name = "libpfm", version = "4.11.0.bcr.1")
+
+# Fetch instrument_hooks dependency
+instrument_hooks_extension = use_extension("//bazel:extensions.bzl", "instrument_hooks_extension")
+use_repo(instrument_hooks_extension, "instrument_hooks")

bazel/BUILD

@@ -0,0 +1,2 @@
+# This file marks the bazel directory as a package
+exports_files(["extensions.bzl"])

WORKSPACE.bzlmod renamed to bazel/extensions.bzl

@@ -1,15 +1,14 @@
-# WORKSPACE.bzlmod
-# This file provides dependencies that are not available in the Bazel Central Registry.
-# When Bzlmod is enabled, this file takes precedence over WORKSPACE.
+"""Bazel module extensions for codspeed dependencies."""
 
 load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
 
-# Fetch instrument-hooks directly from GitHub
-git_repository(
-    name = "instrument_hooks",
-    remote = "https://github.com/CodSpeedHQ/instrument-hooks",
-    commit = "b1e401a4d031ad308edb22ed59a52253a1ebe924",
-    build_file_content = """
+def _instrument_hooks_extension_impl(ctx):
+    """Fetches the instrument-hooks dependency from GitHub."""
+    git_repository(
+        name = "instrument_hooks",
+        remote = "https://github.com/CodSpeedHQ/instrument-hooks",
+        commit = "b1e401a4d031ad308edb22ed59a52253a1ebe924",
+        build_file_content = """
 load("@rules_cc//cc:defs.bzl", "cc_library")
 
 config_setting(
@@ -42,7 +41,11 @@ cc_library(
             "-Wno-format-security",
         ],
     }),
-    visibility = ["//visibility:private"],
+    visibility = ["//visibility:public"],
 )
 """,
-)
+    )
+
+instrument_hooks_extension = module_extension(
+    implementation = _instrument_hooks_extension_impl,
+)