| # Copyright 2016 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. |
| |
| """Common definitions for Apple rules.""" |
| |
| APPLE_SIMULATOR_ARCHITECTURES = ["i386", "x86_64"] |
| """Architectures that are used by the simulator (iOS, tvOS and watchOS).""" |
| |
| IOS_DEVICE_ARCHITECTURES = ["armv6", "armv7", "arm64"] |
| """Architectures that are used by iOS devices.""" |
| |
| TVOS_DEVICE_ARCHITECTURES = ["arm64"] |
| """Architectures that are used by tvOS devices.""" |
| |
| WATCHOS_DEVICE_ARCHITECTURES = ["armv7k"] |
| """Architectures that are used by watchOS devices.""" |
| |
| APPLE_DEFAULT_ARCHITECTURES = ["x86_64", "arm64", "armv7k"] |
| """Architectures commonly used for building/testing on simulators/devices.""" |
| |
| APPLE_FRAGMENTS = ["apple"] |
| """Configuration fragments containing Apple specific information.""" |
| |
| DARWIN_EXECUTION_REQUIREMENTS = {"requires-darwin": ""} |
| """Standard execution requirements to force building on Mac. |
| |
| See :func:`apple_action`.""" |
| |
| XCRUNWRAPPER_LABEL = "//external:xcrunwrapper" |
| """The label for xcrunwrapper tool.""" |
| |
| def label_scoped_path(ctx, path): |
| """Return the path scoped to target's label.""" |
| return ctx.label.name + "/" + path.lstrip("/") |
| |
| def module_cache_path(ctx): |
| """Returns the Clang module cache path to use for this rule.""" |
| return ctx.configuration.genfiles_dir.path + "/_objc_module_cache" |
| |
| def apple_action(ctx, **kw): |
| """Creates an action that only runs on MacOS/Darwin. |
| |
| Call it similar to how you would call ctx.action: |
| apple_action(ctx, outputs=[...], inputs=[...],...) |
| """ |
| execution_requirements = kw.get('execution_requirements', {}) |
| execution_requirements += DARWIN_EXECUTION_REQUIREMENTS |
| kw['execution_requirements'] = execution_requirements |
| |
| ctx.action(**kw) |
| |
| def xcrun_action(ctx, **kw): |
| """Creates an apple action that executes xcrunwrapper. |
| |
| args: |
| ctx: The context of the rule that owns this action. |
| |
| This method takes the same keyword arguments as ctx.action, however you don't |
| need to specify the executable. |
| """ |
| platform = ctx.fragments.apple.single_arch_platform |
| |
| action_env = ctx.fragments.apple.target_apple_env(platform) \ |
| + ctx.fragments.apple.apple_host_system_env() |
| env = kw.get("env", {}) |
| kw['env'] = env + action_env |
| |
| apple_action(ctx, executable=ctx.executable._xcrunwrapper, **kw) |
