1 // Copyright 2017 Google Inc. All rights reserved. 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 15 package cc 16 17 import ( 18 "android/soong/android" 19 ) 20 21 type kernelHeadersDecorator struct { 22 *libraryDecorator 23 } 24 25 func (stub *kernelHeadersDecorator) link(ctx ModuleContext, flags Flags, deps PathDeps, objs Objects) android.Path { 26 if ctx.Device() { 27 f := &stub.libraryDecorator.flagExporter 28 for _, dir := range ctx.DeviceConfig().DeviceKernelHeaderDirs() { 29 f.flags = append(f.flags, "-isystem"+dir) 30 } 31 } 32 return stub.libraryDecorator.linkStatic(ctx, flags, deps, objs) 33 } 34 35 func kernelHeadersFactory() android.Module { 36 module, library := NewLibrary(android.HostAndDeviceSupported) 37 library.HeaderOnly() 38 39 stub := &kernelHeadersDecorator{ 40 libraryDecorator: library, 41 } 42 43 module.linker = stub 44 45 return module.Init() 46 } 47 48 func init() { 49 android.RegisterModuleType("kernel_headers", kernelHeadersFactory) 50 } 51
