github.com/westcoastroms/westcoastroms-build@v0.0.0-20190928114312-2350e5a73030/build/soong/cc/kernel_headers.go (about)

     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  }