Add support for macos in apple_*_xcframework rules

apple/internal/resource_actions/plist.bzl

@@ -341,19 +341,20 @@ def merge_root_infoplists(
     else:
         plist_key = "MinimumOSVersion"
 
-    input_files.append(environment_plist)
     platform = platform_prerequisites.platform
     sdk_version = platform_prerequisites.sdk_version
     platform_with_version = platform.name_in_plist.lower() + str(sdk_version)
-    forced_plists.extend([
-        environment_plist.path,
+    if environment_plist:
+        input_files.append(environment_plist)
+        forced_plists.append(environment_plist.path)
+    forced_plists.append(
         struct(
             CFBundleSupportedPlatforms = [platform.name_in_plist],
             DTPlatformName = platform.name_in_plist.lower(),
             DTSDKName = platform_with_version,
             **{plist_key: platform_prerequisites.minimum_deployment_os}
-        ),
-    ])
+        )
+    )
 
     output_files = [output_plist]
     if output_pkginfo:

apple/internal/transition_support.bzl

@@ -41,6 +41,10 @@ load(
     "@build_bazel_rules_apple//apple/build_settings:build_settings.bzl",
     "build_settings_labels",
 )
+load(
+    "@bazel_skylib//lib:types.bzl",
+    "types",
+)
 
 _supports_visionos = hasattr(apple_common.platform_type, "visionos")
 _is_bazel_7 = not hasattr(apple_common, "apple_crosstool_transition")
@@ -346,9 +350,16 @@ def _command_line_options_for_xcframework_platform(
     """
     output_dictionary = {}
     for target_environment in target_environments:
-        if not platform_attr.get(target_environment):
+        is_platform_attr_dict = types.is_dict(platform_attr)
+
+        if is_platform_attr_dict and not platform_attr.get(target_environment):
             continue
-        for arch in platform_attr[target_environment]:
+        elif is_platform_attr_dict:
+            platform_attr = platform_attr[target_environment]
+        else:
+            platform_attr = platform_attr
+
+        for arch in platform_attr:
             resolved_environment_arch = _resolved_environment_arch_for_arch(
                 arch = arch,
                 environment = target_environment,

apple/internal/xcframework_rules.bzl

@@ -864,6 +864,11 @@ built for those platform variants (for example, `x86_64`, `arm64`) as their valu
 A dictionary of strings indicating which platform variants should be built for the tvOS platform (
 `device` or `simulator`) as keys, and arrays of strings listing which architectures should be
 built for those platform variants (for example, `x86_64`, `arm64`) as their values.
+""",
+            ),
+            "macos": attr.string_list(
+                doc = """
+A list of strings indicating which architecture should be built for the macOS platform (for example, `x86_64`, `arm64`).
 """,
             ),
             "minimum_deployment_os_versions": attr.string_dict(

test/starlark_tests/targets_under_test/apple/BUILD

@@ -1530,3 +1530,29 @@ apple_metal_library(
     hdrs = ["@build_bazel_rules_apple//test/testdata/resources:metal_hdrs"],
     tags = common.fixture_tags,
 )
+
+apple_xcframework(
+    name = "ios_and_macos_dynamic_xcframework",
+    bundle_id = "com.google.example",
+    extension_safe = True,
+    infoplists = [
+        "//test/starlark_tests/resources:Info.plist",
+    ],
+    ios = {
+        "simulator": ["x86_64"],
+        "device": ["arm64"],
+    },
+    macos = [
+        "arm64",
+        "x86_64",
+    ],
+    minimum_os_versions = {
+        "ios": common.min_os_ios.baseline,
+        "macos": common.min_os_macos.baseline,
+    },
+    public_hdrs = [
+        "//test/starlark_tests/resources:shared.h",
+    ],
+    tags = common.fixture_tags,
+    deps = [":fmwk_lib"],
+)