platform_build_soong/multitree/api_imports.go
Kiyoung Kim 22e6b50ac2 Export API imported library list to Makefile
Export API imported library list to Makefile, so it can be used to
replace dependency for modules defined in Makefile.

Bug: 243736650
Test: 'ALLOW_MISSING_DEPENDENCIES=true m halutil' succeeded
Change-Id: I0540681b4b8129a37b4a83eed9b09218839e364e
2022-09-01 11:24:38 +09:00

99 lines
3 KiB
Go

// Copyright 2022 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 multitree
import (
"android/soong/android"
"strings"
"github.com/google/blueprint"
)
var (
apiImportNameSuffix = ".apiimport"
)
func init() {
RegisterApiImportsModule(android.InitRegistrationContext)
android.RegisterMakeVarsProvider(pctx, makeVarsProvider)
}
func RegisterApiImportsModule(ctx android.RegistrationContext) {
ctx.RegisterModuleType("api_imports", apiImportsFactory)
}
type ApiImports struct {
android.ModuleBase
properties apiImportsProperties
}
type apiImportsProperties struct {
Shared_libs []string // List of C shared libraries from API surfaces
Header_libs []string // List of C header libraries from API surfaces
}
// 'api_imports' is a module which describes modules available from API surfaces.
// This module is required to get the list of all imported API modules, because
// it is discouraged to loop and fetch all modules from its type information. The
// only module with name 'api_imports' will be used from the build.
func apiImportsFactory() android.Module {
module := &ApiImports{}
module.AddProperties(&module.properties)
android.InitAndroidModule(module)
return module
}
func (imports *ApiImports) GenerateAndroidBuildActions(ctx android.ModuleContext) {
// ApiImport module does not generate any build actions
}
type ApiImportInfo struct {
SharedLibs, HeaderLibs map[string]string
}
var ApiImportsProvider = blueprint.NewMutatorProvider(ApiImportInfo{}, "deps")
// Store module lists into ApiImportInfo and share it over mutator provider.
func (imports *ApiImports) DepsMutator(ctx android.BottomUpMutatorContext) {
generateNameMapWithSuffix := func(names []string) map[string]string {
moduleNameMap := make(map[string]string)
for _, name := range names {
moduleNameMap[name] = name + apiImportNameSuffix
}
return moduleNameMap
}
sharedLibs := generateNameMapWithSuffix(imports.properties.Shared_libs)
headerLibs := generateNameMapWithSuffix(imports.properties.Header_libs)
ctx.SetProvider(ApiImportsProvider, ApiImportInfo{
SharedLibs: sharedLibs,
HeaderLibs: headerLibs,
})
}
func GetApiImportSuffix() string {
return apiImportNameSuffix
}
func makeVarsProvider(ctx android.MakeVarsContext) {
ctx.VisitAllModules(func(m android.Module) {
if i, ok := m.(*ApiImports); ok {
ctx.Strict("API_IMPORTED_SHARED_LIBRARIES", strings.Join(i.properties.Shared_libs, " "))
ctx.Strict("API_IMPORTED_HEADER_LIBRARIES", strings.Join(i.properties.Header_libs, " "))
}
})
}