777 lines
25 KiB
Go
777 lines
25 KiB
Go
// Copyright 2016 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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"github.com/google/blueprint"
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"github.com/google/blueprint/pathtools"
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"android/soong/android"
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"android/soong/cc/config"
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)
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type LibraryProperties struct {
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Static struct {
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Srcs []string `android:"arch_variant"`
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Cflags []string `android:"arch_variant"`
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Enabled *bool `android:"arch_variant"`
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Whole_static_libs []string `android:"arch_variant"`
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Static_libs []string `android:"arch_variant"`
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Shared_libs []string `android:"arch_variant"`
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} `android:"arch_variant"`
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Shared struct {
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Srcs []string `android:"arch_variant"`
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Cflags []string `android:"arch_variant"`
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Enabled *bool `android:"arch_variant"`
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Whole_static_libs []string `android:"arch_variant"`
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Static_libs []string `android:"arch_variant"`
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Shared_libs []string `android:"arch_variant"`
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} `android:"arch_variant"`
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// local file name to pass to the linker as --version_script
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Version_script *string `android:"arch_variant"`
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// local file name to pass to the linker as -unexported_symbols_list
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Unexported_symbols_list *string `android:"arch_variant"`
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// local file name to pass to the linker as -force_symbols_not_weak_list
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Force_symbols_not_weak_list *string `android:"arch_variant"`
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// local file name to pass to the linker as -force_symbols_weak_list
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Force_symbols_weak_list *string `android:"arch_variant"`
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// rename host libraries to prevent overlap with system installed libraries
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Unique_host_soname *bool
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Aidl struct {
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// export headers generated from .aidl sources
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Export_aidl_headers bool
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}
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Proto struct {
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// export headers generated from .proto sources
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Export_proto_headers bool
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}
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}
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type LibraryMutatedProperties struct {
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VariantName string `blueprint:"mutated"`
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// Build a static variant
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BuildStatic bool `blueprint:"mutated"`
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// Build a shared variant
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BuildShared bool `blueprint:"mutated"`
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// This variant is shared
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VariantIsShared bool `blueprint:"mutated"`
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// This variant is static
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VariantIsStatic bool `blueprint:"mutated"`
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}
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type FlagExporterProperties struct {
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// list of directories relative to the Blueprints file that will
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// be added to the include path (using -I) for this module and any module that links
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// against this module
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Export_include_dirs []string `android:"arch_variant"`
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Target struct {
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Vendor struct {
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// list of exported include directories, like
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// export_include_dirs, that will be applied to the
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// vendor variant of this library. This will overwrite
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// any other declarations.
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Export_include_dirs []string
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}
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}
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}
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func init() {
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android.RegisterModuleType("cc_library_static", libraryStaticFactory)
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android.RegisterModuleType("cc_library_shared", librarySharedFactory)
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android.RegisterModuleType("cc_library", libraryFactory)
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android.RegisterModuleType("cc_library_host_static", libraryHostStaticFactory)
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android.RegisterModuleType("cc_library_host_shared", libraryHostSharedFactory)
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android.RegisterModuleType("cc_library_headers", libraryHeaderFactory)
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}
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// Module factory for combined static + shared libraries, device by default but with possible host
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// support
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func libraryFactory() (blueprint.Module, []interface{}) {
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module, _ := NewLibrary(android.HostAndDeviceSupported)
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return module.Init()
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}
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// Module factory for static libraries
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func libraryStaticFactory() (blueprint.Module, []interface{}) {
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module, library := NewLibrary(android.HostAndDeviceSupported)
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library.BuildOnlyStatic()
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return module.Init()
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}
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// Module factory for shared libraries
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func librarySharedFactory() (blueprint.Module, []interface{}) {
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module, library := NewLibrary(android.HostAndDeviceSupported)
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library.BuildOnlyShared()
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return module.Init()
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}
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// Module factory for host static libraries
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func libraryHostStaticFactory() (blueprint.Module, []interface{}) {
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module, library := NewLibrary(android.HostSupported)
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library.BuildOnlyStatic()
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return module.Init()
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}
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// Module factory for host shared libraries
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func libraryHostSharedFactory() (blueprint.Module, []interface{}) {
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module, library := NewLibrary(android.HostSupported)
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library.BuildOnlyShared()
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return module.Init()
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}
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// Module factory for header-only libraries
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func libraryHeaderFactory() (blueprint.Module, []interface{}) {
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module, library := NewLibrary(android.HostAndDeviceSupported)
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library.HeaderOnly()
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return module.Init()
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}
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type flagExporter struct {
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Properties FlagExporterProperties
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flags []string
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flagsDeps android.Paths
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}
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func (f *flagExporter) exportedIncludes(ctx ModuleContext) android.Paths {
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if ctx.Vendor() && f.Properties.Target.Vendor.Export_include_dirs != nil {
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return android.PathsForModuleSrc(ctx, f.Properties.Target.Vendor.Export_include_dirs)
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} else {
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return android.PathsForModuleSrc(ctx, f.Properties.Export_include_dirs)
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}
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}
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func (f *flagExporter) exportIncludes(ctx ModuleContext, inc string) {
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includeDirs := f.exportedIncludes(ctx)
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for _, dir := range includeDirs.Strings() {
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f.flags = append(f.flags, inc+dir)
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}
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}
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func (f *flagExporter) reexportFlags(flags []string) {
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f.flags = append(f.flags, flags...)
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}
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func (f *flagExporter) reexportDeps(deps android.Paths) {
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f.flagsDeps = append(f.flagsDeps, deps...)
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}
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func (f *flagExporter) exportedFlags() []string {
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return f.flags
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}
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func (f *flagExporter) exportedFlagsDeps() android.Paths {
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return f.flagsDeps
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}
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type exportedFlagsProducer interface {
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exportedFlags() []string
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exportedFlagsDeps() android.Paths
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}
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var _ exportedFlagsProducer = (*flagExporter)(nil)
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// libraryDecorator wraps baseCompiler, baseLinker and baseInstaller to provide library-specific
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// functionality: static vs. shared linkage, reusing object files for shared libraries
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type libraryDecorator struct {
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Properties LibraryProperties
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MutatedProperties LibraryMutatedProperties
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// For reusing static library objects for shared library
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reuseObjects Objects
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reuseExportedFlags []string
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reuseExportedDeps android.Paths
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// table-of-contents file to optimize out relinking when possible
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tocFile android.OptionalPath
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flagExporter
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stripper
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relocationPacker
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// If we're used as a whole_static_lib, our missing dependencies need
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// to be given
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wholeStaticMissingDeps []string
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// For whole_static_libs
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objects Objects
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// Uses the module's name if empty, but can be overridden. Does not include
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// shlib suffix.
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libName string
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sanitize *sanitize
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sabi *sabi
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// Output archive of gcno coverage information files
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coverageOutputFile android.OptionalPath
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// linked Source Abi Dump
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sAbiOutputFile android.OptionalPath
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// Source Abi Diff
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sAbiDiff android.OptionalPath
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// Decorated interafaces
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*baseCompiler
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*baseLinker
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*baseInstaller
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}
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func (library *libraryDecorator) linkerProps() []interface{} {
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var props []interface{}
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props = append(props, library.baseLinker.linkerProps()...)
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return append(props,
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&library.Properties,
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&library.MutatedProperties,
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&library.flagExporter.Properties,
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&library.stripper.StripProperties,
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&library.relocationPacker.Properties)
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}
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func (library *libraryDecorator) linkerFlags(ctx ModuleContext, flags Flags) Flags {
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flags = library.baseLinker.linkerFlags(ctx, flags)
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// MinGW spits out warnings about -fPIC even for -fpie?!) being ignored because
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// all code is position independent, and then those warnings get promoted to
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// errors.
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if !ctx.Windows() {
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flags.CFlags = append(flags.CFlags, "-fPIC")
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}
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if library.static() {
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flags.CFlags = append(flags.CFlags, library.Properties.Static.Cflags...)
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} else if library.shared() {
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flags.CFlags = append(flags.CFlags, library.Properties.Shared.Cflags...)
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}
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if library.shared() {
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libName := library.getLibName(ctx)
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// GCC for Android assumes that -shared means -Bsymbolic, use -Wl,-shared instead
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sharedFlag := "-Wl,-shared"
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if flags.Clang || ctx.Host() {
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sharedFlag = "-shared"
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}
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var f []string
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if ctx.toolchain().Bionic() {
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f = append(f,
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"-nostdlib",
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"-Wl,--gc-sections",
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)
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}
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if ctx.Darwin() {
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f = append(f,
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"-dynamiclib",
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"-single_module",
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"-install_name @rpath/"+libName+flags.Toolchain.ShlibSuffix(),
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)
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if ctx.Arch().ArchType == android.X86 {
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f = append(f,
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"-read_only_relocs suppress",
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)
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}
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} else {
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f = append(f,
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sharedFlag,
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"-Wl,-soname,"+libName+flags.Toolchain.ShlibSuffix())
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}
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flags.LdFlags = append(f, flags.LdFlags...)
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}
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return flags
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}
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func (library *libraryDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
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exportIncludeDirs := library.flagExporter.exportedIncludes(ctx)
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if len(exportIncludeDirs) > 0 {
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f := includeDirsToFlags(exportIncludeDirs)
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flags.GlobalFlags = append(flags.GlobalFlags, f)
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flags.YasmFlags = append(flags.YasmFlags, f)
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}
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return library.baseCompiler.compilerFlags(ctx, flags)
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}
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func (library *libraryDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) Objects {
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if !library.buildShared() && !library.buildStatic() {
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if len(library.baseCompiler.Properties.Srcs) > 0 {
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ctx.PropertyErrorf("srcs", "cc_library_headers must not have any srcs")
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}
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if len(library.Properties.Static.Srcs) > 0 {
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ctx.PropertyErrorf("static.srcs", "cc_library_headers must not have any srcs")
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}
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if len(library.Properties.Shared.Srcs) > 0 {
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ctx.PropertyErrorf("shared.srcs", "cc_library_headers must not have any srcs")
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}
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return Objects{}
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}
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if ctx.createVndkSourceAbiDump() || (library.sabi.Properties.CreateSAbiDumps && ctx.Device()) {
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exportIncludeDirs := android.PathsForModuleSrc(ctx, library.flagExporter.Properties.Export_include_dirs)
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var SourceAbiFlags []string
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for _, dir := range exportIncludeDirs.Strings() {
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SourceAbiFlags = append(SourceAbiFlags, "-I "+dir)
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}
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flags.SAbiFlags = SourceAbiFlags
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total_length := len(library.baseCompiler.Properties.Srcs) + len(deps.GeneratedSources) + len(library.Properties.Shared.Srcs) +
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len(library.Properties.Static.Srcs)
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if total_length > 0 {
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flags.SAbiDump = true
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}
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}
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objs := library.baseCompiler.compile(ctx, flags, deps)
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library.reuseObjects = objs
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buildFlags := flagsToBuilderFlags(flags)
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if library.static() {
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srcs := android.PathsForModuleSrc(ctx, library.Properties.Static.Srcs)
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objs = objs.Append(compileObjs(ctx, buildFlags, android.DeviceStaticLibrary,
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srcs, library.baseCompiler.deps))
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} else if library.shared() {
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srcs := android.PathsForModuleSrc(ctx, library.Properties.Shared.Srcs)
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objs = objs.Append(compileObjs(ctx, buildFlags, android.DeviceSharedLibrary,
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srcs, library.baseCompiler.deps))
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}
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return objs
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}
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type libraryInterface interface {
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getWholeStaticMissingDeps() []string
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static() bool
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objs() Objects
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reuseObjs() (Objects, []string, android.Paths)
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toc() android.OptionalPath
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// Returns true if the build options for the module have selected a static or shared build
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buildStatic() bool
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buildShared() bool
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// Sets whether a specific variant is static or shared
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setStatic()
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setShared()
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}
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func (library *libraryDecorator) getLibName(ctx ModuleContext) string {
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name := library.libName
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if name == "" {
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name = ctx.baseModuleName()
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}
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if ctx.Host() && Bool(library.Properties.Unique_host_soname) {
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if !strings.HasSuffix(name, "-host") {
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name = name + "-host"
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}
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}
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return name + library.MutatedProperties.VariantName
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}
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func (library *libraryDecorator) linkerInit(ctx BaseModuleContext) {
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location := InstallInSystem
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if library.sanitize.inSanitizerDir() {
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location = InstallInSanitizerDir
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}
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library.baseInstaller.location = location
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library.baseLinker.linkerInit(ctx)
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library.relocationPacker.packingInit(ctx)
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}
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func (library *libraryDecorator) linkerDeps(ctx DepsContext, deps Deps) Deps {
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deps = library.baseLinker.linkerDeps(ctx, deps)
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if library.static() {
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deps.WholeStaticLibs = append(deps.WholeStaticLibs,
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library.Properties.Static.Whole_static_libs...)
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deps.StaticLibs = append(deps.StaticLibs, library.Properties.Static.Static_libs...)
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deps.SharedLibs = append(deps.SharedLibs, library.Properties.Static.Shared_libs...)
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} else if library.shared() {
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if ctx.toolchain().Bionic() && !Bool(library.baseLinker.Properties.Nocrt) {
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if !ctx.sdk() {
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deps.CrtBegin = "crtbegin_so"
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deps.CrtEnd = "crtend_so"
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} else {
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// TODO(danalbert): Add generation of crt objects.
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// For `sdk_version: "current"`, we don't actually have a
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// freshly generated set of CRT objects. Use the last stable
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// version.
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version := ctx.sdkVersion()
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if version == "current" {
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version = getCurrentNdkPrebuiltVersion(ctx)
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}
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deps.CrtBegin = "ndk_crtbegin_so." + version
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deps.CrtEnd = "ndk_crtend_so." + version
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}
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}
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deps.WholeStaticLibs = append(deps.WholeStaticLibs, library.Properties.Shared.Whole_static_libs...)
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deps.StaticLibs = append(deps.StaticLibs, library.Properties.Shared.Static_libs...)
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deps.SharedLibs = append(deps.SharedLibs, library.Properties.Shared.Shared_libs...)
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}
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return deps
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}
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func (library *libraryDecorator) linkStatic(ctx ModuleContext,
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flags Flags, deps PathDeps, objs Objects) android.Path {
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library.objects = deps.WholeStaticLibObjs.Copy()
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library.objects = library.objects.Append(objs)
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outputFile := android.PathForModuleOut(ctx,
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ctx.ModuleName()+library.MutatedProperties.VariantName+staticLibraryExtension)
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builderFlags := flagsToBuilderFlags(flags)
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TransformObjToStaticLib(ctx, library.objects.objFiles, builderFlags, outputFile, objs.tidyFiles)
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library.coverageOutputFile = TransformCoverageFilesToLib(ctx, library.objects, builderFlags,
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ctx.ModuleName()+library.MutatedProperties.VariantName)
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library.wholeStaticMissingDeps = ctx.GetMissingDependencies()
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ctx.CheckbuildFile(outputFile)
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return outputFile
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}
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func (library *libraryDecorator) linkShared(ctx ModuleContext,
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flags Flags, deps PathDeps, objs Objects) android.Path {
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var linkerDeps android.Paths
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versionScript := android.OptionalPathForModuleSrc(ctx, library.Properties.Version_script)
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unexportedSymbols := android.OptionalPathForModuleSrc(ctx, library.Properties.Unexported_symbols_list)
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forceNotWeakSymbols := android.OptionalPathForModuleSrc(ctx, library.Properties.Force_symbols_not_weak_list)
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forceWeakSymbols := android.OptionalPathForModuleSrc(ctx, library.Properties.Force_symbols_weak_list)
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if !ctx.Darwin() {
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if versionScript.Valid() {
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flags.LdFlags = append(flags.LdFlags, "-Wl,--version-script,"+versionScript.String())
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linkerDeps = append(linkerDeps, versionScript.Path())
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}
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if unexportedSymbols.Valid() {
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ctx.PropertyErrorf("unexported_symbols_list", "Only supported on Darwin")
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}
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if forceNotWeakSymbols.Valid() {
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ctx.PropertyErrorf("force_symbols_not_weak_list", "Only supported on Darwin")
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}
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if forceWeakSymbols.Valid() {
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ctx.PropertyErrorf("force_symbols_weak_list", "Only supported on Darwin")
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}
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} else {
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if versionScript.Valid() {
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ctx.PropertyErrorf("version_script", "Not supported on Darwin")
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}
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if unexportedSymbols.Valid() {
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flags.LdFlags = append(flags.LdFlags, "-Wl,-unexported_symbols_list,"+unexportedSymbols.String())
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linkerDeps = append(linkerDeps, unexportedSymbols.Path())
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}
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if forceNotWeakSymbols.Valid() {
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flags.LdFlags = append(flags.LdFlags, "-Wl,-force_symbols_not_weak_list,"+forceNotWeakSymbols.String())
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linkerDeps = append(linkerDeps, forceNotWeakSymbols.Path())
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}
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if forceWeakSymbols.Valid() {
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flags.LdFlags = append(flags.LdFlags, "-Wl,-force_symbols_weak_list,"+forceWeakSymbols.String())
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linkerDeps = append(linkerDeps, forceWeakSymbols.Path())
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}
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}
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fileName := library.getLibName(ctx) + flags.Toolchain.ShlibSuffix()
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outputFile := android.PathForModuleOut(ctx, fileName)
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ret := outputFile
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builderFlags := flagsToBuilderFlags(flags)
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if !ctx.Darwin() && !ctx.Windows() {
|
|
// Optimize out relinking against shared libraries whose interface hasn't changed by
|
|
// depending on a table of contents file instead of the library itself.
|
|
tocPath := outputFile.RelPathString()
|
|
tocPath = pathtools.ReplaceExtension(tocPath, flags.Toolchain.ShlibSuffix()[1:]+".toc")
|
|
tocFile := android.PathForOutput(ctx, tocPath)
|
|
library.tocFile = android.OptionalPathForPath(tocFile)
|
|
TransformSharedObjectToToc(ctx, outputFile, tocFile, builderFlags)
|
|
}
|
|
|
|
if library.relocationPacker.needsPacking(ctx) {
|
|
packedOutputFile := outputFile
|
|
outputFile = android.PathForModuleOut(ctx, "unpacked", fileName)
|
|
library.relocationPacker.pack(ctx, outputFile, packedOutputFile, builderFlags)
|
|
}
|
|
|
|
if library.stripper.needsStrip(ctx) {
|
|
strippedOutputFile := outputFile
|
|
outputFile = android.PathForModuleOut(ctx, "unstripped", fileName)
|
|
library.stripper.strip(ctx, outputFile, strippedOutputFile, builderFlags)
|
|
}
|
|
|
|
sharedLibs := deps.SharedLibs
|
|
sharedLibs = append(sharedLibs, deps.LateSharedLibs...)
|
|
|
|
// TODO(danalbert): Clean this up when soong supports prebuilts.
|
|
if strings.HasPrefix(ctx.selectedStl(), "ndk_libc++") {
|
|
libDir := getNdkStlLibDir(ctx, flags.Toolchain, "libc++")
|
|
|
|
if strings.HasSuffix(ctx.selectedStl(), "_shared") {
|
|
deps.StaticLibs = append(deps.StaticLibs,
|
|
libDir.Join(ctx, "libandroid_support.a"))
|
|
} else {
|
|
deps.StaticLibs = append(deps.StaticLibs,
|
|
libDir.Join(ctx, "libc++abi.a"),
|
|
libDir.Join(ctx, "libandroid_support.a"))
|
|
}
|
|
|
|
if ctx.Arch().ArchType == android.Arm {
|
|
deps.StaticLibs = append(deps.StaticLibs,
|
|
libDir.Join(ctx, "libunwind.a"))
|
|
}
|
|
}
|
|
|
|
linkerDeps = append(linkerDeps, deps.SharedLibsDeps...)
|
|
linkerDeps = append(linkerDeps, deps.LateSharedLibsDeps...)
|
|
linkerDeps = append(linkerDeps, objs.tidyFiles...)
|
|
|
|
TransformObjToDynamicBinary(ctx, objs.objFiles, sharedLibs,
|
|
deps.StaticLibs, deps.LateStaticLibs, deps.WholeStaticLibs,
|
|
linkerDeps, deps.CrtBegin, deps.CrtEnd, false, builderFlags, outputFile)
|
|
|
|
objs.coverageFiles = append(objs.coverageFiles, deps.StaticLibObjs.coverageFiles...)
|
|
objs.coverageFiles = append(objs.coverageFiles, deps.WholeStaticLibObjs.coverageFiles...)
|
|
|
|
objs.sAbiDumpFiles = append(objs.sAbiDumpFiles, deps.StaticLibObjs.sAbiDumpFiles...)
|
|
objs.sAbiDumpFiles = append(objs.sAbiDumpFiles, deps.WholeStaticLibObjs.sAbiDumpFiles...)
|
|
|
|
library.coverageOutputFile = TransformCoverageFilesToLib(ctx, objs, builderFlags, library.getLibName(ctx))
|
|
library.linkSAbiDumpFiles(ctx, objs, fileName)
|
|
|
|
return ret
|
|
}
|
|
|
|
func (library *libraryDecorator) linkSAbiDumpFiles(ctx ModuleContext, objs Objects, fileName string) {
|
|
//Also take into account object re-use.
|
|
if len(objs.sAbiDumpFiles) > 0 && ctx.createVndkSourceAbiDump() {
|
|
refSourceDumpFile := android.PathForVndkRefAbiDump(ctx, "current", fileName, vndkVsNdk(ctx), true)
|
|
versionScript := android.OptionalPathForModuleSrc(ctx, library.Properties.Version_script)
|
|
var symbolFile android.OptionalPath
|
|
if versionScript.Valid() {
|
|
symbolFile = versionScript
|
|
}
|
|
exportIncludeDirs := android.PathsForModuleSrc(ctx, library.flagExporter.Properties.Export_include_dirs)
|
|
var SourceAbiFlags []string
|
|
for _, dir := range exportIncludeDirs.Strings() {
|
|
SourceAbiFlags = append(SourceAbiFlags, "-I "+dir)
|
|
}
|
|
exportedHeaderFlags := strings.Join(SourceAbiFlags, " ")
|
|
library.sAbiOutputFile = TransformDumpToLinkedDump(ctx, objs.sAbiDumpFiles, symbolFile, "current", fileName, exportedHeaderFlags)
|
|
if refSourceDumpFile.Valid() {
|
|
library.sAbiDiff = SourceAbiDiff(ctx, library.sAbiOutputFile.Path(), refSourceDumpFile.Path(), fileName)
|
|
}
|
|
}
|
|
}
|
|
|
|
func vndkVsNdk(ctx ModuleContext) bool {
|
|
if inList(ctx.baseModuleName(), config.LLndkLibraries()) {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func (library *libraryDecorator) link(ctx ModuleContext,
|
|
flags Flags, deps PathDeps, objs Objects) android.Path {
|
|
|
|
objs = objs.Append(deps.Objs)
|
|
|
|
var out android.Path
|
|
if library.static() || library.header() {
|
|
out = library.linkStatic(ctx, flags, deps, objs)
|
|
} else {
|
|
out = library.linkShared(ctx, flags, deps, objs)
|
|
}
|
|
|
|
library.exportIncludes(ctx, "-I")
|
|
library.reexportFlags(deps.ReexportedFlags)
|
|
library.reexportDeps(deps.ReexportedFlagsDeps)
|
|
|
|
if library.Properties.Aidl.Export_aidl_headers {
|
|
if library.baseCompiler.hasSrcExt(".aidl") {
|
|
flags := []string{
|
|
"-I" + android.PathForModuleGen(ctx, "aidl").String(),
|
|
}
|
|
library.reexportFlags(flags)
|
|
library.reuseExportedFlags = append(library.reuseExportedFlags, flags...)
|
|
library.reexportDeps(library.baseCompiler.deps) // TODO: restrict to aidl deps
|
|
library.reuseExportedDeps = append(library.reuseExportedDeps, library.baseCompiler.deps...)
|
|
}
|
|
}
|
|
|
|
if library.Properties.Proto.Export_proto_headers {
|
|
if library.baseCompiler.hasSrcExt(".proto") {
|
|
flags := []string{
|
|
"-I" + protoSubDir(ctx).String(),
|
|
"-I" + protoDir(ctx).String(),
|
|
}
|
|
library.reexportFlags(flags)
|
|
library.reuseExportedFlags = append(library.reuseExportedFlags, flags...)
|
|
library.reexportDeps(library.baseCompiler.deps) // TODO: restrict to proto deps
|
|
library.reuseExportedDeps = append(library.reuseExportedDeps, library.baseCompiler.deps...)
|
|
}
|
|
}
|
|
|
|
return out
|
|
}
|
|
|
|
func (library *libraryDecorator) buildStatic() bool {
|
|
return library.MutatedProperties.BuildStatic &&
|
|
(library.Properties.Static.Enabled == nil || *library.Properties.Static.Enabled)
|
|
}
|
|
|
|
func (library *libraryDecorator) buildShared() bool {
|
|
return library.MutatedProperties.BuildShared &&
|
|
(library.Properties.Shared.Enabled == nil || *library.Properties.Shared.Enabled)
|
|
}
|
|
|
|
func (library *libraryDecorator) getWholeStaticMissingDeps() []string {
|
|
return library.wholeStaticMissingDeps
|
|
}
|
|
|
|
func (library *libraryDecorator) objs() Objects {
|
|
return library.objects
|
|
}
|
|
|
|
func (library *libraryDecorator) reuseObjs() (Objects, []string, android.Paths) {
|
|
return library.reuseObjects, library.reuseExportedFlags, library.reuseExportedDeps
|
|
}
|
|
|
|
func (library *libraryDecorator) toc() android.OptionalPath {
|
|
return library.tocFile
|
|
}
|
|
|
|
func (library *libraryDecorator) install(ctx ModuleContext, file android.Path) {
|
|
if library.shared() {
|
|
library.baseInstaller.install(ctx, file)
|
|
}
|
|
}
|
|
|
|
func (library *libraryDecorator) static() bool {
|
|
return library.MutatedProperties.VariantIsStatic
|
|
}
|
|
|
|
func (library *libraryDecorator) shared() bool {
|
|
return library.MutatedProperties.VariantIsShared
|
|
}
|
|
|
|
func (library *libraryDecorator) header() bool {
|
|
return !library.static() && !library.shared()
|
|
}
|
|
|
|
func (library *libraryDecorator) setStatic() {
|
|
library.MutatedProperties.VariantIsStatic = true
|
|
library.MutatedProperties.VariantIsShared = false
|
|
}
|
|
|
|
func (library *libraryDecorator) setShared() {
|
|
library.MutatedProperties.VariantIsStatic = false
|
|
library.MutatedProperties.VariantIsShared = true
|
|
}
|
|
|
|
func (library *libraryDecorator) BuildOnlyStatic() {
|
|
library.MutatedProperties.BuildShared = false
|
|
}
|
|
|
|
func (library *libraryDecorator) BuildOnlyShared() {
|
|
library.MutatedProperties.BuildStatic = false
|
|
}
|
|
|
|
func (library *libraryDecorator) HeaderOnly() {
|
|
library.MutatedProperties.BuildShared = false
|
|
library.MutatedProperties.BuildStatic = false
|
|
}
|
|
|
|
func NewLibrary(hod android.HostOrDeviceSupported) (*Module, *libraryDecorator) {
|
|
module := newModule(hod, android.MultilibBoth)
|
|
|
|
library := &libraryDecorator{
|
|
MutatedProperties: LibraryMutatedProperties{
|
|
BuildShared: true,
|
|
BuildStatic: true,
|
|
},
|
|
baseCompiler: NewBaseCompiler(),
|
|
baseLinker: NewBaseLinker(),
|
|
baseInstaller: NewBaseInstaller("lib", "lib64", InstallInSystem),
|
|
sanitize: module.sanitize,
|
|
sabi: module.sabi,
|
|
}
|
|
|
|
module.compiler = library
|
|
module.linker = library
|
|
module.installer = library
|
|
|
|
return module, library
|
|
}
|
|
|
|
// connects a shared library to a static library in order to reuse its .o files to avoid
|
|
// compiling source files twice.
|
|
func reuseStaticLibrary(mctx android.BottomUpMutatorContext, static, shared *Module) {
|
|
if staticCompiler, ok := static.compiler.(*libraryDecorator); ok {
|
|
sharedCompiler := shared.compiler.(*libraryDecorator)
|
|
if len(staticCompiler.Properties.Static.Cflags) == 0 &&
|
|
len(sharedCompiler.Properties.Shared.Cflags) == 0 {
|
|
|
|
mctx.AddInterVariantDependency(reuseObjTag, shared, static)
|
|
sharedCompiler.baseCompiler.Properties.OriginalSrcs =
|
|
sharedCompiler.baseCompiler.Properties.Srcs
|
|
sharedCompiler.baseCompiler.Properties.Srcs = nil
|
|
sharedCompiler.baseCompiler.Properties.Generated_sources = nil
|
|
}
|
|
}
|
|
}
|
|
|
|
func linkageMutator(mctx android.BottomUpMutatorContext) {
|
|
if m, ok := mctx.Module().(*Module); ok && m.linker != nil {
|
|
if library, ok := m.linker.(libraryInterface); ok {
|
|
var modules []blueprint.Module
|
|
if library.buildStatic() && library.buildShared() {
|
|
modules = mctx.CreateLocalVariations("static", "shared")
|
|
static := modules[0].(*Module)
|
|
shared := modules[1].(*Module)
|
|
|
|
static.linker.(libraryInterface).setStatic()
|
|
shared.linker.(libraryInterface).setShared()
|
|
|
|
reuseStaticLibrary(mctx, static, shared)
|
|
|
|
} else if library.buildStatic() {
|
|
modules = mctx.CreateLocalVariations("static")
|
|
modules[0].(*Module).linker.(libraryInterface).setStatic()
|
|
} else if library.buildShared() {
|
|
modules = mctx.CreateLocalVariations("shared")
|
|
modules[0].(*Module).linker.(libraryInterface).setShared()
|
|
}
|
|
}
|
|
}
|
|
}
|