diff --git a/Android.bp b/Android.bp index 1eac394a4..496dcd286 100644 --- a/Android.bp +++ b/Android.bp @@ -141,6 +141,8 @@ bootstrap_go_package { "cc/ndk_sysroot.go", "cc/llndk_library.go", + + "cc/kernel_headers.go", ], testSrcs: [ "cc/cc_test.go", @@ -308,3 +310,8 @@ toolchain_library { }, }, } + +kernel_headers { + name: "device_kernel_headers", + vendor: true, +} diff --git a/android/config.go b/android/config.go index 1b0606387..3de1ef1fa 100644 --- a/android/config.go +++ b/android/config.go @@ -516,6 +516,10 @@ func (c *deviceConfig) BtConfigIncludeDir() string { return String(c.config.ProductVariables.BtConfigIncludeDir) } +func (c *deviceConfig) DeviceKernelHeaderDirs() []string { + return c.config.ProductVariables.DeviceKernelHeaders +} + func (c *deviceConfig) NativeCoverageEnabled() bool { return Bool(c.config.ProductVariables.NativeCoverage) } diff --git a/android/variable.go b/android/variable.go index 1efab47e7..7ca7a55a2 100644 --- a/android/variable.go +++ b/android/variable.go @@ -162,6 +162,8 @@ type productVariables struct { BtConfigIncludeDir *string `json:",omitempty"` Override_rs_driver *string `json:",omitempty"` + + DeviceKernelHeaders []string `json:",omitempty"` } func boolPtr(v bool) *bool { diff --git a/cc/kernel_headers.go b/cc/kernel_headers.go new file mode 100644 index 000000000..c66fca68a --- /dev/null +++ b/cc/kernel_headers.go @@ -0,0 +1,53 @@ +// Copyright 2017 Google Inc. 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 cc + +import ( + "android/soong/android" +) + +type kernelHeadersDecorator struct { + *libraryDecorator +} + +func (stub *kernelHeadersDecorator) link(ctx ModuleContext, flags Flags, deps PathDeps, objs Objects) android.Path { + if ctx.Device() { + f := &stub.libraryDecorator.flagExporter + for _, dir := range ctx.DeviceConfig().DeviceKernelHeaderDirs() { + f.flags = append(f.flags, "-isystem"+dir) + } + } + return stub.libraryDecorator.linkStatic(ctx, flags, deps, objs) +} + +func kernelHeadersFactory() android.Module { + module, library := NewLibrary(android.HostAndDeviceSupported) + library.HeaderOnly() + + stub := &kernelHeadersDecorator{ + libraryDecorator: library, + } + + module.compiler = nil + module.linker = stub + module.installer = nil + + android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibBoth) + return module +} + +func init() { + android.RegisterModuleType("kernel_headers", kernelHeadersFactory) +}