83 lines
2.2 KiB
Go
83 lines
2.2 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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"strings"
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"android/soong/android"
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)
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func init() {
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// Use singleton type to gather all generated soong modules.
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android.RegisterSingletonType("stublibraries", stubLibrariesSingleton)
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}
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type stubLibraries struct {
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stubLibraryMap map[string]bool
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}
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// Check if the module defines stub, or itself is stub
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func isStubTarget(m *Module) bool {
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if m.IsStubs() || m.HasStubsVariants() {
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return true
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}
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// Library which defines LLNDK Stub is also Stub target.
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// Pure LLNDK Stub target would not contain any packaging
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// with target file path.
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if library, ok := m.linker.(*libraryDecorator); ok {
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if library.Properties.Llndk_stubs != nil {
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return true
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}
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}
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return false
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}
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// Get target file name to be installed from this module
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func getInstalledFileName(m *Module) string {
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for _, ps := range m.PackagingSpecs() {
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if name := ps.FileName(); name != "" {
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return name
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}
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}
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return ""
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}
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func (s *stubLibraries) GenerateBuildActions(ctx android.SingletonContext) {
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// Visit all generated soong modules and store stub library file names.
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ctx.VisitAllModules(func(module android.Module) {
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if m, ok := module.(*Module); ok {
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if isStubTarget(m) {
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if name := getInstalledFileName(m); name != "" {
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s.stubLibraryMap[name] = true
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}
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}
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}
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})
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}
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func stubLibrariesSingleton() android.Singleton {
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return &stubLibraries{
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stubLibraryMap: make(map[string]bool),
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}
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}
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func (s *stubLibraries) MakeVars(ctx android.MakeVarsContext) {
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// Convert stub library file names into Makefile variable.
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ctx.Strict("STUB_LIBRARIES", strings.Join(android.SortedStringKeys(s.stubLibraryMap), " "))
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}
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