Enable Bazel debug/release Zig builds and add stdx.time.Duration.hz and stdx.math.roundeven utilities.

MODULE.bazel

@@ -20,7 +20,7 @@ bazel_dep(name = "rules_proto", version = "7.1.0")
 bazel_dep(name = "rules_python", version = "0.40.0")
 bazel_dep(name = "rules_rust", version = "0.60.0")
 bazel_dep(name = "rules_uv", version = "0.65.0")
-bazel_dep(name = "rules_zig", version = "20250314.0-b9739c6")
+bazel_dep(name = "rules_zig", version = "20250519.0-233b207")
 bazel_dep(name = "sentencepiece", version = "20240618.0-d7ace0a")
 bazel_dep(name = "toolchains_protoc", version = "0.3.7")
 bazel_dep(name = "with_cfg.bzl", version = "0.9.1")

bazel/zig.bzl

@@ -1,3 +1,5 @@
+load("@rules_cc//cc:cc_binary.bzl", "cc_binary")
+load("@rules_cc//cc:cc_test.bzl", "cc_test")
 load("@rules_zig//zig:defs.bzl", "BINARY_KIND", "zig_binary")
 
 def zig_cc_binary(
@@ -14,12 +16,11 @@ def zig_cc_binary(
         name = "{}_lib".format(name),
         kind = BINARY_KIND.static_lib,
         copts = copts + ["-lc", "-fcompiler-rt"],
-        deps = deps + [
-            "@rules_zig//zig/lib:libc",
-        ],
+        deps = deps,
+        visibility = visibility,
         **kwargs
     )
-    native.cc_binary(
+    cc_binary(
         name = name,
         args = args,
         env = env,
@@ -48,9 +49,10 @@ def zig_cc_test(
         deps = deps + [
             "@rules_zig//zig/lib:libc",
         ],
+        visibility = visibility,
         **kwargs
     )
-    native.cc_test(
+    cc_test(
         name = name,
         env = env,
         data = data,

stdx/math.zig

@@ -15,3 +15,9 @@ pub inline fn intCast(comptime T: type, x: anytype) T {
         else => @intFromFloat(x),
     };
 }
+
+pub inline fn roundeven(x: anytype) @TypeOf(x) {
+    return struct {
+        extern fn @"llvm.roundeven"(@TypeOf(x)) @TypeOf(x);
+    }.@"llvm.roundeven"(x);
+}

stdx/time.zig

@@ -7,6 +7,10 @@ pub const Duration = struct {
         return .{ .ns = self.ns / rhs };
     }
 
+    pub fn hz(self: Duration) u64 {
+        return (1 * std.time.ns_per_s) / self.ns;
+    }
+
     pub fn format(
         self: Duration,
         comptime fmt: []const u8,

third_party/modules/rules_zig/20250519.0-233b207/MODULE.bazel

@@ -0,0 +1,68 @@
+module(
+    name = "rules_zig",
+    version = "20250519.0-233b207",
+    compatibility_level = 1,
+)
+
+bazel_dep(name = "aspect_bazel_lib", version = "2.8.1")
+bazel_dep(name = "bazel_skylib", version = "1.7.1")
+bazel_dep(name = "platforms", version = "0.0.10")
+
+zig = use_extension("//zig:extensions.bzl", "zig")
+zig.index(file = "//zig/private:versions.json")
+use_repo(zig, "zig_toolchains")
+
+register_toolchains("@rules_zig//zig/target:all")
+
+register_toolchains("@zig_toolchains//:all")
+
+zig_dev = use_extension(
+    "//zig:extensions.bzl",
+    "zig",
+    dev_dependency = True,
+)
+zig_dev.toolchain(zig_version = "0.13.0")
+zig_dev.toolchain(zig_version = "0.12.1")
+zig_dev.toolchain(zig_version = "0.12.0")
+zig_dev.toolchain(zig_version = "0.11.0")
+
+bazel_dep(name = "rules_cc", version = "0.0.9")
+bazel_dep(name = "stardoc", version = "0.7.0", dev_dependency = True, repo_name = "io_bazel_stardoc")
+bazel_dep(name = "gazelle", version = "0.38.0", dev_dependency = True, repo_name = "bazel_gazelle")
+bazel_dep(name = "bazel_skylib_gazelle_plugin", version = "1.7.1", dev_dependency = True)
+bazel_dep(
+    name = "buildifier_prebuilt",
+    version = "7.3.1",
+    dev_dependency = True,
+)
+bazel_dep(name = "rules_multirun", version = "0.9.0", dev_dependency = True)
+bazel_dep(name = "rules_python", version = "0.35.0", dev_dependency = True)
+bazel_dep(
+    name = "rules_bazel_integration_test",
+    version = "0.25.0",
+    dev_dependency = True,
+)
+
+bazel_binaries = use_extension(
+    "@rules_bazel_integration_test//:extensions.bzl",
+    "bazel_binaries",
+    dev_dependency = True,
+)
+
+# NOTE: Keep in sync with WORKSPACE.
+bazel_binaries.download(version_file = "//:.bazelversion")
+bazel_binaries.download(version = "7.0.0")
+use_repo(
+    bazel_binaries,
+    "bazel_binaries",
+    "bazel_binaries_bazelisk",
+    "build_bazel_bazel_.bazelversion",
+    "build_bazel_bazel_7_0_0",
+)
+
+# TODO[AH] Should be an implicit transitive dependency through rules_bazel_integration_test.
+# However, if we do not include it explicitly, then the runfiles resolution for
+# cgrindel_bazel_starlib/shlib/lib/message.sh fails in
+# rules_bazel_integration_test/tools/update_deleted_packages.sh when invoked
+# through the rules_multirun target //util:update.
+bazel_dep(name = "cgrindel_bazel_starlib", version = "0.21.0", dev_dependency = True)

third_party/modules/rules_zig/20250519.0-233b207/source.json

@@ -0,0 +1,5 @@
+{
+    "strip_prefix": "rules_zig-233b207499826715a3bf1a6eeea6e3052ed49542",
+    "url": "https://github.com/zml/rules_zig/archive/233b207499826715a3bf1a6eeea6e3052ed49542.tar.gz",
+    "integrity": "sha256-4gloFoSMPkWCV0Jxikqs1UkfOgQL+NmoXMMnVhtgVvg="
+}

third_party/modules/rules_zig/metadata.json

@@ -15,7 +15,8 @@
         "20240909.0-37f17ff",
         "20240912.0-41bfe84",
         "20240913.0-1957d05",
-        "20250314.0-b9739c6"
+        "20250314.0-b9739c6",
+        "20250519.0-233b207"
     ],
     "yanked_versions": {}
 }