| // 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. |
| |
| package com.google.devtools.build.lib.rules.objc; |
| |
| import static com.google.devtools.build.lib.packages.Attribute.attr; |
| import static com.google.devtools.build.lib.packages.ImplicitOutputsFunction.fromTemplates; |
| import static com.google.devtools.build.lib.syntax.Type.BOOLEAN; |
| |
| import com.google.devtools.build.lib.analysis.BaseRuleClasses; |
| import com.google.devtools.build.lib.analysis.RuleDefinition; |
| import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment; |
| import com.google.devtools.build.lib.packages.ImplicitOutputsFunction; |
| import com.google.devtools.build.lib.packages.ImplicitOutputsFunction.SafeImplicitOutputsFunction; |
| import com.google.devtools.build.lib.packages.RuleClass; |
| import com.google.devtools.build.lib.packages.RuleClass.Builder; |
| import com.google.devtools.build.lib.rules.apple.AppleConfiguration; |
| |
| /** |
| * Rule definition for apple_binary. |
| */ |
| public class AppleBinaryRule implements RuleDefinition { |
| |
| /** |
| * Attribute name for {@code apple_binary}'s apple platform type (for which all dependencies and |
| * sources of an {@code apple_binary} target will be built). |
| */ |
| static final String PLATFORM_TYPE_ATTR_NAME = "platform_type"; |
| |
| /** |
| * Template for the fat binary output (using Apple's "lipo" tool to combine binaries of |
| * multiple architectures). |
| */ |
| private static final SafeImplicitOutputsFunction LIPOBIN = fromTemplates("%{name}_lipobin"); |
| |
| @Override |
| public RuleClass build(Builder builder, RuleDefinitionEnvironment env) { |
| MultiArchSplitTransitionProvider splitTransitionProvider = |
| new MultiArchSplitTransitionProvider(); |
| return builder |
| .requiresConfigurationFragments( |
| ObjcConfiguration.class, J2ObjcConfiguration.class, AppleConfiguration.class) |
| .add(attr("$is_executable", BOOLEAN).value(true) |
| .nonconfigurable("Called from RunCommand.isExecutable, which takes a Target")) |
| .override(builder.copy("deps").cfg(splitTransitionProvider)) |
| .override(builder.copy("non_propagated_deps").cfg(splitTransitionProvider)) |
| /*<!-- #BLAZE_RULE(apple_binary).IMPLICIT_OUTPUTS --> |
| <ul> |
| <li><code><var>name</var>_lipobin</code>: the 'lipo'ed potentially multi-architecture |
| binary. All transitive dependencies and <code>srcs</code> are linked.</li> |
| </ul> |
| <!-- #END_BLAZE_RULE.IMPLICIT_OUTPUTS -->*/ |
| .setImplicitOutputsFunction( |
| ImplicitOutputsFunction.fromFunctions(LIPOBIN)) |
| .build(); |
| } |
| |
| @Override |
| public Metadata getMetadata() { |
| return RuleDefinition.Metadata.builder() |
| .name("apple_binary") |
| .factoryClass(AppleBinary.class) |
| .ancestors(BaseRuleClasses.BaseRule.class, ObjcRuleClasses.LinkingRule.class, |
| ObjcRuleClasses.MultiArchPlatformRule.class, ObjcRuleClasses.SimulatorRule.class) |
| .build(); |
| } |
| } |
| |
| /*<!-- #BLAZE_RULE (NAME = apple_binary, TYPE = BINARY, FAMILY = Objective-C) --> |
| |
| <p>This rule produces single- or multi-architecture ("fat") Objective-C libraries and/or binaries, |
| typically used in creating apple bundles, such as frameworks, extensions, or applications.</p> |
| |
| <p>The <code>lipo</code> tool is used to combine files of multiple architectures. The |
| <code>--ios_multi_cpus</code> flag controls which architectures are included in the output.</p> |
| |
| <p>This rule currently only supports building for ios architectures, though more platforms |
| will be supported in the future.</p> |
| |
| ${IMPLICIT_OUTPUTS} |
| |
| <!-- #END_BLAZE_RULE -->*/ |