1 files changed, 48 insertions, 0 deletions
diff --git a/go/platform/apple.bzl b/go/platform/apple.bzl
new file mode 100644
index 00000000..45c62d6c
--- /dev/null
+++ b/go/platform/apple.bzl
@@ -0,0 +1,48 @@
+# Copyright 2018 The Bazel Authors. All rights reserved.
+#
+# 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
+#
+#    http://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.
+
+_PLATFORMS = {
+    "armv7-apple-ios": (apple_common.platform.ios_device, apple_common.platform_type.ios),
+    "armv7-apple-tvos": (apple_common.platform.tvos_device, apple_common.platform_type.tvos),
+    "armv7k-apple-watchos": (apple_common.platform.watchos_device, apple_common.platform_type.watchos),
+    "arm64-apple-ios": (apple_common.platform.ios_device, apple_common.platform_type.ios),
+    "arm64-apple-tvos": (apple_common.platform.tvos_device, apple_common.platform_type.tvos),
+    "i386-apple-ios": (apple_common.platform.ios_simulator, apple_common.platform_type.ios),
+    "i386-apple-tvos": (apple_common.platform.tvos_simulator, apple_common.platform_type.tvos),
+    "i386-apple-watchos": (apple_common.platform.watchos_simulator, apple_common.platform_type.watchos),
+    "x86_64-apple-ios": (apple_common.platform.ios_simulator, apple_common.platform_type.ios),
+    "x86_64-apple-tvos": (apple_common.platform.ios_simulator, apple_common.platform_type.tvos),
+    "x86_64-apple-watchos": (apple_common.platform.watchos_simulator, apple_common.platform_type.watchos),
+}
+
+def _apple_version_min(ctx, platform, platform_type):
+    xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig]
+    min_os = str(xcode_config.minimum_os_for_platform_type(platform_type))
+    return "-m{}-version-min={}".format(platform.name_in_plist.lower(), min_os)
+
+def _apple_env(ctx, platform):
+    xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig]
+    return apple_common.target_apple_env(xcode_config, platform)
+
+def apple_ensure_options(ctx, env, _tags, compiler_option_lists, linker_option_lists, target_gnu_system_name):
+    """Returns environment, flags, and Go tags for Apple targets."""
+    platform, platform_type = _PLATFORMS.get(target_gnu_system_name, (None, None))
+    if not platform:
+        return
+    env.update(_apple_env(ctx, platform))
+    min_version = _apple_version_min(ctx, platform, platform_type)
+    for compiler_options in compiler_option_lists:
+        compiler_options.append(min_version)
+    for linker_options in linker_option_lists:
+        linker_options.append(min_version)