| // Copyright 2017 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.cpp; |
| |
| import com.google.devtools.build.lib.packages.Attribute.LabelLateBoundDefault; |
| import com.google.devtools.build.lib.rules.LateBoundAlias.CommonAliasRule; |
| |
| /** Implementation of the {@code cc_libc_top_alias} rule. */ |
| public class CcLibcTopAlias extends CommonAliasRule<CppConfiguration> { |
| |
| public CcLibcTopAlias() { |
| super( |
| "cc_libc_top_alias", |
| env -> CcLibcTopAlias.getSysrootAttribute(), |
| CppConfiguration.class); |
| } |
| |
| private static LabelLateBoundDefault<CppConfiguration> getSysrootAttribute() { |
| return LabelLateBoundDefault.fromTargetConfiguration( |
| CppConfiguration.class, |
| null, |
| (rules, attributes, cppConfig) -> cppConfig.getLibcTopLabel()); |
| } |
| } |