144 lines
4.4 KiB
Go
144 lines
4.4 KiB
Go
// Copyright 2020 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cc
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import (
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"android/soong/android"
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"android/soong/bazel"
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)
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func init() {
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RegisterLibraryHeadersBuildComponents(android.InitRegistrationContext)
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// Register sdk member types.
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android.RegisterSdkMemberType(headersLibrarySdkMemberType)
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android.RegisterBp2BuildMutator("cc_library_headers", CcLibraryHeadersBp2Build)
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}
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var headersLibrarySdkMemberType = &librarySdkMemberType{
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SdkMemberTypeBase: android.SdkMemberTypeBase{
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PropertyName: "native_header_libs",
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SupportsSdk: true,
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HostOsDependent: true,
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},
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prebuiltModuleType: "cc_prebuilt_library_headers",
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noOutputFiles: true,
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}
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func RegisterLibraryHeadersBuildComponents(ctx android.RegistrationContext) {
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ctx.RegisterModuleType("cc_library_headers", LibraryHeaderFactory)
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ctx.RegisterModuleType("cc_prebuilt_library_headers", prebuiltLibraryHeaderFactory)
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}
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// cc_library_headers contains a set of c/c++ headers which are imported by
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// other soong cc modules using the header_libs property. For best practices,
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// use export_include_dirs property or LOCAL_EXPORT_C_INCLUDE_DIRS for
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// Make.
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func LibraryHeaderFactory() android.Module {
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module, library := NewLibrary(android.HostAndDeviceSupported)
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library.HeaderOnly()
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module.sdkMemberTypes = []android.SdkMemberType{headersLibrarySdkMemberType}
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return module.Init()
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}
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// cc_prebuilt_library_headers is a prebuilt version of cc_library_headers
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func prebuiltLibraryHeaderFactory() android.Module {
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module, library := NewPrebuiltLibrary(android.HostAndDeviceSupported)
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library.HeaderOnly()
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return module.Init()
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}
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type bazelCcLibraryHeadersAttributes struct {
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Hdrs bazel.LabelList
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Includes bazel.LabelList
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Deps bazel.LabelList
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}
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type bazelCcLibraryHeaders struct {
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android.BazelTargetModuleBase
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bazelCcLibraryHeadersAttributes
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}
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func BazelCcLibraryHeadersFactory() android.Module {
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module := &bazelCcLibraryHeaders{}
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module.AddProperties(&module.bazelCcLibraryHeadersAttributes)
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android.InitBazelTargetModule(module)
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return module
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}
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func CcLibraryHeadersBp2Build(ctx android.TopDownMutatorContext) {
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module, ok := ctx.Module().(*Module)
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if !ok {
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// Not a cc module
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return
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}
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if !module.ConvertWithBp2build() {
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return
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}
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lib, ok := module.linker.(*libraryDecorator)
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if !ok {
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// Not a cc_library module
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return
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}
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if !lib.header() {
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// Not a cc_library_headers module
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return
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}
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// list of directories that will be added to the include path (using -I) for this
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// module and any module that links against this module.
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includeDirs := lib.flagExporter.Properties.Export_system_include_dirs
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includeDirs = append(includeDirs, lib.flagExporter.Properties.Export_include_dirs...)
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includeDirLabels := android.BazelLabelForModuleSrc(ctx, includeDirs)
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var includeDirGlobs []string
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for _, includeDir := range includeDirs {
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includeDirGlobs = append(includeDirGlobs, includeDir+"/**/*.h")
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}
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headerLabels := android.BazelLabelForModuleSrc(ctx, includeDirGlobs)
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// list of modules that should only provide headers for this module.
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var headerLibs []string
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for _, linkerProps := range lib.linkerProps() {
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if baseLinkerProps, ok := linkerProps.(*BaseLinkerProperties); ok {
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headerLibs = baseLinkerProps.Export_header_lib_headers
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break
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}
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}
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headerLibLabels := android.BazelLabelForModuleDeps(ctx, headerLibs)
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attrs := &bazelCcLibraryHeadersAttributes{
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Includes: includeDirLabels,
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Hdrs: headerLabels,
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Deps: headerLibLabels,
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}
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props := bazel.BazelTargetModuleProperties{
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Rule_class: "cc_library_headers",
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Bzl_load_location: "//build/bazel/rules:cc_library_headers.bzl",
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}
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ctx.CreateBazelTargetModule(BazelCcLibraryHeadersFactory, module.Name(), props, attrs)
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}
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func (m *bazelCcLibraryHeaders) Name() string {
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return m.BaseModuleName()
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}
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func (m *bazelCcLibraryHeaders) GenerateAndroidBuildActions(ctx android.ModuleContext) {}
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