e75af185a8
NDK CRT objects haven't been prebuilts for ages. Bug: None Test: treehugger Change-Id: I923381da629b78487587e997018fa63dd818617f
130 lines
4.3 KiB
Go
130 lines
4.3 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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"android/soong/android"
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)
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func init() {
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android.RegisterModuleType("ndk_prebuilt_static_stl", NdkPrebuiltStaticStlFactory)
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android.RegisterModuleType("ndk_prebuilt_shared_stl", NdkPrebuiltSharedStlFactory)
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}
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// NDK prebuilt libraries.
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//
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// These differ from regular prebuilts in that they aren't stripped and usually aren't installed
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// either (with the exception of the shared STLs, which are installed to the app's directory rather
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// than to the system image).
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type ndkPrebuiltStlLinker struct {
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*libraryDecorator
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}
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func (ndk *ndkPrebuiltStlLinker) linkerProps() []interface{} {
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return append(ndk.libraryDecorator.linkerProps(), &ndk.Properties, &ndk.flagExporter.Properties)
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}
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func (*ndkPrebuiltStlLinker) linkerDeps(ctx DepsContext, deps Deps) Deps {
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// NDK libraries can't have any dependencies
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return deps
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}
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func (*ndkPrebuiltStlLinker) availableFor(what string) bool {
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// ndk prebuilt objects are available to everywhere
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return true
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}
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// ndk_prebuilt_shared_stl exports a precompiled ndk shared standard template
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// library (stl) library for linking operation. The soong's module name format
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// is ndk_<NAME>.so where the library is located under
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// ./prebuilts/ndk/current/sources/cxx-stl/llvm-libc++/libs/$(HOST_ARCH)/<NAME>.so.
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func NdkPrebuiltSharedStlFactory() android.Module {
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module, library := NewLibrary(android.DeviceSupported)
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library.BuildOnlyShared()
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module.compiler = nil
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module.linker = &ndkPrebuiltStlLinker{
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libraryDecorator: library,
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}
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module.installer = nil
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module.Properties.Sdk_version = StringPtr("minimum")
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module.Properties.AlwaysSdk = true
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module.stl.Properties.Stl = StringPtr("none")
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return module.Init()
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}
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// ndk_prebuilt_static_stl exports a precompiled ndk static standard template
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// library (stl) library for linking operation. The soong's module name format
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// is ndk_<NAME>.a where the library is located under
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// ./prebuilts/ndk/current/sources/cxx-stl/llvm-libc++/libs/$(HOST_ARCH)/<NAME>.a.
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func NdkPrebuiltStaticStlFactory() android.Module {
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module, library := NewLibrary(android.DeviceSupported)
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library.BuildOnlyStatic()
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module.compiler = nil
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module.linker = &ndkPrebuiltStlLinker{
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libraryDecorator: library,
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}
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module.installer = nil
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module.Properties.Sdk_version = StringPtr("minimum")
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module.Properties.HideFromMake = true
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module.Properties.AlwaysSdk = true
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module.Properties.Sdk_version = StringPtr("current")
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module.stl.Properties.Stl = StringPtr("none")
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return module.Init()
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}
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func getNdkStlLibDir(ctx android.ModuleContext) android.SourcePath {
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libDir := "prebuilts/ndk/current/sources/cxx-stl/llvm-libc++/libs"
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return android.PathForSource(ctx, libDir).Join(ctx, ctx.Arch().Abi[0])
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}
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func (ndk *ndkPrebuiltStlLinker) link(ctx ModuleContext, flags Flags,
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deps PathDeps, objs Objects) android.Path {
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// A null build step, but it sets up the output path.
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if !strings.HasPrefix(ctx.ModuleName(), "ndk_lib") {
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ctx.ModuleErrorf("NDK prebuilt libraries must have an ndk_lib prefixed name")
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}
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ndk.libraryDecorator.flagExporter.exportIncludesAsSystem(ctx)
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libName := strings.TrimPrefix(ctx.ModuleName(), "ndk_")
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libExt := flags.Toolchain.ShlibSuffix()
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if ndk.static() {
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libExt = staticLibraryExtension
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}
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libDir := getNdkStlLibDir(ctx)
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lib := libDir.Join(ctx, libName+libExt)
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ndk.libraryDecorator.flagExporter.setProvider(ctx)
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if ndk.static() {
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depSet := android.NewDepSetBuilder(android.TOPOLOGICAL).Direct(lib).Build()
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ctx.SetProvider(StaticLibraryInfoProvider, StaticLibraryInfo{
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StaticLibrary: lib,
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TransitiveStaticLibrariesForOrdering: depSet,
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})
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} else {
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ctx.SetProvider(SharedLibraryInfoProvider, SharedLibraryInfo{
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SharedLibrary: lib,
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Target: ctx.Target(),
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})
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}
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return lib
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}
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