1// Copyright (C) 2016 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package clang 16 17import ( 18 "android/soong/android" 19 "android/soong/cc" 20 21 "github.com/google/blueprint/proptools" 22) 23 24// Clang binaries (clang, clang-check, clang-format) need to be compiled for both 32-bit and 64-bit, 25// but only when FORCE_BUILD_LLVM_COMPONENTS is set 26 27func init() { 28 android.RegisterModuleType("clang_binary_host", clangBinaryHostFactory) 29} 30 31func clangForceBuildLlvmComponents(ctx android.LoadHookContext) { 32 type props struct { 33 Target struct { 34 Host struct { 35 Compile_multilib *string 36 } 37 } 38 Multilib struct { 39 Lib32 struct { 40 Suffix *string 41 } 42 } 43 } 44 p := &props{} 45 46 if ctx.AConfig().IsEnvTrue("FORCE_BUILD_LLVM_COMPONENTS") { 47 p.Target.Host.Compile_multilib = proptools.StringPtr("both") 48 p.Multilib.Lib32.Suffix = proptools.StringPtr("_32") 49 } 50 51 ctx.AppendProperties(p) 52} 53 54func clangBinaryHostFactory() android.Module { 55 module, _ := cc.NewBinary(android.HostSupported) 56 android.AddLoadHook(module, clangForceBuildLlvmComponents) 57 58 return module.Init() 59} 60