374510bcb6
Normally, when building with VNDK, platform modules are not allowed to
link against vendor libraries, because the ABI of the vendor libraries
are not guaranteed to be stable and may differ across multiple vendor
images.
However, the vendor public libraries are the exceptions. Vendor public
libraries are vendor libraries that are exposed to 3rd party apps and
listed in /vendor/etc/public.libraries.txt. Since they are intended to
be exposed to public, their ABI stability is guaranteed (by definition,
though it is up to the vendor to actually guarantee it).
This change provides a way to make a vendor lib as public by defining a
module of type 'vendor_public_library' with a map file that enumerates
public symbols that are publicized:
cc_library {
name: "libvendor",
proprietary: true,
...
}
vendor_public_library {
name: "libvendor",
symbol_file: "libvendor.map.txt",
}
This defines a stub library module named libvendor.vendorpublic from the
map file. `shared_libs: ["libvendor"]` is redirected to the stub library
when it is from the outside of the vendor partition.
Bug: 74275385
Test: m -j
Test: cc_test.go passes
Change-Id: I5bed94d7c4282b777632ab2f0fb63c203ee313ba
401 lines
14 KiB
Go
401 lines
14 KiB
Go
// Copyright 2015 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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"fmt"
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"io"
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"path/filepath"
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"strings"
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"android/soong/android"
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)
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var (
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vendorSuffix = ".vendor"
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)
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type AndroidMkContext interface {
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Target() android.Target
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subAndroidMk(*android.AndroidMkData, interface{})
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useVndk() bool
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}
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type subAndroidMkProvider interface {
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AndroidMk(AndroidMkContext, *android.AndroidMkData)
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}
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func (c *Module) subAndroidMk(data *android.AndroidMkData, obj interface{}) {
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if c.subAndroidMkOnce == nil {
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c.subAndroidMkOnce = make(map[subAndroidMkProvider]bool)
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}
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if androidmk, ok := obj.(subAndroidMkProvider); ok {
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if !c.subAndroidMkOnce[androidmk] {
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c.subAndroidMkOnce[androidmk] = true
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androidmk.AndroidMk(c, data)
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}
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}
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}
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func (c *Module) AndroidMk() android.AndroidMkData {
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if c.Properties.HideFromMake {
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return android.AndroidMkData{
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Disabled: true,
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}
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}
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ret := android.AndroidMkData{
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OutputFile: c.outputFile,
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Extra: []android.AndroidMkExtraFunc{
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func(w io.Writer, outputFile android.Path) {
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if len(c.Properties.Logtags) > 0 {
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fmt.Fprintln(w, "LOCAL_LOGTAGS_FILES :=", strings.Join(c.Properties.Logtags, " "))
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}
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fmt.Fprintln(w, "LOCAL_SANITIZE := never")
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if len(c.Properties.AndroidMkSharedLibs) > 0 {
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fmt.Fprintln(w, "LOCAL_SHARED_LIBRARIES := "+strings.Join(c.Properties.AndroidMkSharedLibs, " "))
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}
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if c.Target().Os == android.Android &&
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String(c.Properties.Sdk_version) != "" && !c.useVndk() {
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fmt.Fprintln(w, "LOCAL_SDK_VERSION := "+String(c.Properties.Sdk_version))
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fmt.Fprintln(w, "LOCAL_NDK_STL_VARIANT := none")
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} else {
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// These are already included in LOCAL_SHARED_LIBRARIES
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fmt.Fprintln(w, "LOCAL_CXX_STL := none")
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}
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if c.useVndk() {
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fmt.Fprintln(w, "LOCAL_USE_VNDK := true")
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}
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},
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},
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}
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for _, feature := range c.features {
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c.subAndroidMk(&ret, feature)
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}
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c.subAndroidMk(&ret, c.compiler)
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c.subAndroidMk(&ret, c.linker)
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if c.sanitize != nil {
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c.subAndroidMk(&ret, c.sanitize)
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}
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c.subAndroidMk(&ret, c.installer)
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if c.useVndk() && c.hasVendorVariant() {
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// .vendor suffix is added only when we will have two variants: core and vendor.
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// The suffix is not added for vendor-only module.
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ret.SubName += vendorSuffix
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}
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return ret
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}
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func androidMkWriteTestData(data android.Paths, ctx AndroidMkContext, ret *android.AndroidMkData) {
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var testFiles []string
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for _, d := range data {
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rel := d.Rel()
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path := d.String()
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if !strings.HasSuffix(path, rel) {
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panic(fmt.Errorf("path %q does not end with %q", path, rel))
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}
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path = strings.TrimSuffix(path, rel)
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testFiles = append(testFiles, path+":"+rel)
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}
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if len(testFiles) > 0 {
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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fmt.Fprintln(w, "LOCAL_TEST_DATA := "+strings.Join(testFiles, " "))
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})
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}
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}
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func (library *libraryDecorator) androidMkWriteExportedFlags(w io.Writer) {
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exportedFlags := library.exportedFlags()
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if len(exportedFlags) > 0 {
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fmt.Fprintln(w, "LOCAL_EXPORT_CFLAGS :=", strings.Join(exportedFlags, " "))
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}
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exportedFlagsDeps := library.exportedFlagsDeps()
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if len(exportedFlagsDeps) > 0 {
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fmt.Fprintln(w, "LOCAL_EXPORT_C_INCLUDE_DEPS :=", strings.Join(exportedFlagsDeps.Strings(), " "))
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}
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}
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func (library *libraryDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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if library.static() {
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ret.Class = "STATIC_LIBRARIES"
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} else if library.shared() {
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ctx.subAndroidMk(ret, &library.stripper)
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ctx.subAndroidMk(ret, &library.relocationPacker)
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ret.Class = "SHARED_LIBRARIES"
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} else if library.header() {
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ret.Custom = func(w io.Writer, name, prefix, moduleDir string, data android.AndroidMkData) {
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fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)")
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fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
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fmt.Fprintln(w, "LOCAL_MODULE :=", name+data.SubName)
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archStr := ctx.Target().Arch.ArchType.String()
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var host bool
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switch ctx.Target().Os.Class {
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case android.Host:
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fmt.Fprintln(w, "LOCAL_MODULE_HOST_ARCH := ", archStr)
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host = true
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case android.HostCross:
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fmt.Fprintln(w, "LOCAL_MODULE_HOST_CROSS_ARCH := ", archStr)
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host = true
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case android.Device:
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fmt.Fprintln(w, "LOCAL_MODULE_TARGET_ARCH := ", archStr)
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}
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if host {
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makeOs := ctx.Target().Os.String()
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if ctx.Target().Os == android.Linux || ctx.Target().Os == android.LinuxBionic {
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makeOs = "linux"
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}
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fmt.Fprintln(w, "LOCAL_MODULE_HOST_OS :=", makeOs)
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fmt.Fprintln(w, "LOCAL_IS_HOST_MODULE := true")
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} else if ctx.useVndk() {
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fmt.Fprintln(w, "LOCAL_USE_VNDK := true")
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}
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library.androidMkWriteExportedFlags(w)
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fmt.Fprintln(w, "include $(BUILD_HEADER_LIBRARY)")
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}
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return
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}
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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library.androidMkWriteExportedFlags(w)
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fmt.Fprintln(w, "LOCAL_ADDITIONAL_DEPENDENCIES := ")
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if library.sAbiOutputFile.Valid() {
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fmt.Fprintln(w, "LOCAL_ADDITIONAL_DEPENDENCIES += ", library.sAbiOutputFile.String())
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if library.sAbiDiff.Valid() && !library.static() {
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fmt.Fprintln(w, "LOCAL_ADDITIONAL_DEPENDENCIES += ", library.sAbiDiff.String())
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fmt.Fprintln(w, "HEADER_ABI_DIFFS += ", library.sAbiDiff.String())
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}
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}
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fmt.Fprintln(w, "LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE)"+outputFile.Ext())
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fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
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if library.coverageOutputFile.Valid() {
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fmt.Fprintln(w, "LOCAL_PREBUILT_COVERAGE_ARCHIVE :=", library.coverageOutputFile.String())
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}
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})
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if library.shared() {
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ctx.subAndroidMk(ret, library.baseInstaller)
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}
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}
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func (object *objectLinker) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ret.Custom = func(w io.Writer, name, prefix, moduleDir string, data android.AndroidMkData) {
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out := ret.OutputFile.Path()
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fmt.Fprintln(w, "\n$("+prefix+"OUT_INTERMEDIATE_LIBRARIES)/"+name+data.SubName+objectExtension+":", out.String())
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fmt.Fprintln(w, "\t$(copy-file-to-target)")
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}
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}
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func (binary *binaryDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ctx.subAndroidMk(ret, binary.baseInstaller)
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ctx.subAndroidMk(ret, &binary.stripper)
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ret.Class = "EXECUTABLES"
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
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if Bool(binary.Properties.Static_executable) {
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fmt.Fprintln(w, "LOCAL_FORCE_STATIC_EXECUTABLE := true")
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}
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if len(binary.symlinks) > 0 {
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fmt.Fprintln(w, "LOCAL_MODULE_SYMLINKS := "+strings.Join(binary.symlinks, " "))
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}
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if binary.coverageOutputFile.Valid() {
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fmt.Fprintln(w, "LOCAL_PREBUILT_COVERAGE_ARCHIVE :=", binary.coverageOutputFile.String())
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}
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})
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}
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func (benchmark *benchmarkDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ctx.subAndroidMk(ret, benchmark.binaryDecorator)
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ret.Class = "NATIVE_TESTS"
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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if len(benchmark.Properties.Test_suites) > 0 {
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fmt.Fprintln(w, "LOCAL_COMPATIBILITY_SUITE :=",
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strings.Join(benchmark.Properties.Test_suites, " "))
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}
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})
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androidMkWriteTestData(benchmark.data, ctx, ret)
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}
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func (test *testBinary) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ctx.subAndroidMk(ret, test.binaryDecorator)
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ret.Class = "NATIVE_TESTS"
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if Bool(test.Properties.Test_per_src) {
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ret.SubName = "_" + String(test.binaryDecorator.Properties.Stem)
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}
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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if len(test.Properties.Test_suites) > 0 {
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fmt.Fprintln(w, "LOCAL_COMPATIBILITY_SUITE :=",
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strings.Join(test.Properties.Test_suites, " "))
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}
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})
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androidMkWriteTestData(test.data, ctx, ret)
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}
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func (test *testLibrary) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ctx.subAndroidMk(ret, test.libraryDecorator)
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}
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func (library *toolchainLibraryDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ret.Class = "STATIC_LIBRARIES"
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+outputFile.Ext())
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fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
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})
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}
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func (stripper *stripper) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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// Make only supports stripping target modules
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if ctx.Target().Os != android.Android {
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return
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}
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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if Bool(stripper.StripProperties.Strip.None) {
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fmt.Fprintln(w, "LOCAL_STRIP_MODULE := false")
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} else if Bool(stripper.StripProperties.Strip.Keep_symbols) {
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fmt.Fprintln(w, "LOCAL_STRIP_MODULE := keep_symbols")
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} else {
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fmt.Fprintln(w, "LOCAL_STRIP_MODULE := mini-debug-info")
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}
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})
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}
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func (packer *relocationPacker) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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if packer.Properties.PackingRelocations {
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fmt.Fprintln(w, "LOCAL_PACK_MODULE_RELOCATIONS := true")
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}
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})
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}
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func (installer *baseInstaller) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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// Soong installation is only supported for host modules. Have Make
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// installation trigger Soong installation.
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if ctx.Target().Os.Class == android.Host {
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ret.OutputFile = android.OptionalPathForPath(installer.path)
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}
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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path := installer.path.RelPathString()
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dir, file := filepath.Split(path)
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stem := strings.TrimSuffix(file, filepath.Ext(file))
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fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+filepath.Ext(file))
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fmt.Fprintln(w, "LOCAL_MODULE_PATH := $(OUT_DIR)/"+filepath.Clean(dir))
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fmt.Fprintln(w, "LOCAL_MODULE_STEM := "+stem)
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})
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}
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func (c *stubDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ret.SubName = ndkLibrarySuffix + "." + c.properties.ApiLevel
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ret.Class = "SHARED_LIBRARIES"
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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path, file := filepath.Split(c.installPath.String())
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stem := strings.TrimSuffix(file, filepath.Ext(file))
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fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
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fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+outputFile.Ext())
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fmt.Fprintln(w, "LOCAL_MODULE_PATH := "+path)
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fmt.Fprintln(w, "LOCAL_MODULE_STEM := "+stem)
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fmt.Fprintln(w, "LOCAL_NO_NOTICE_FILE := true")
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// Prevent make from installing the libraries to obj/lib (since we have
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// dozens of libraries with the same name, they'll clobber each other
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// and the real versions of the libraries from the platform).
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fmt.Fprintln(w, "LOCAL_COPY_TO_INTERMEDIATE_LIBRARIES := false")
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})
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}
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func (c *llndkStubDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ret.Class = "SHARED_LIBRARIES"
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ret.SubName = ".vendor"
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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c.libraryDecorator.androidMkWriteExportedFlags(w)
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fmt.Fprintln(w, "LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE)"+outputFile.Ext())
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fmt.Fprintln(w, "LOCAL_STRIP_MODULE := false")
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fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
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fmt.Fprintln(w, "LOCAL_UNINSTALLABLE_MODULE := true")
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fmt.Fprintln(w, "LOCAL_NO_NOTICE_FILE := true")
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fmt.Fprintln(w, "LOCAL_USE_VNDK := true")
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})
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}
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func (c *vndkPrebuiltLibraryDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ret.Class = "SHARED_LIBRARIES"
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ret.SubName = c.NameSuffix()
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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c.libraryDecorator.androidMkWriteExportedFlags(w)
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path := c.path.RelPathString()
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dir, file := filepath.Split(path)
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stem := strings.TrimSuffix(file, filepath.Ext(file))
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fmt.Fprintln(w, "LOCAL_STRIP_MODULE := false")
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fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
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fmt.Fprintln(w, "LOCAL_USE_VNDK := true")
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fmt.Fprintln(w, "LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE)"+outputFile.Ext())
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fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+filepath.Ext(file))
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fmt.Fprintln(w, "LOCAL_MODULE_PATH := $(OUT_DIR)/"+filepath.Clean(dir))
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fmt.Fprintln(w, "LOCAL_MODULE_STEM := "+stem)
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})
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}
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func (c *ndkPrebuiltStlLinker) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ret.Class = "SHARED_LIBRARIES"
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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// Prevent make from installing the libraries to obj/lib (since we have
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// dozens of libraries with the same name, they'll clobber each other
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// and the real versions of the libraries from the platform).
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fmt.Fprintln(w, "LOCAL_COPY_TO_INTERMEDIATE_LIBRARIES := false")
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})
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}
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func (c *vendorPublicLibraryStubDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
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ret.Class = "SHARED_LIBRARIES"
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ret.SubName = vendorPublicLibrarySuffix
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ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) {
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c.libraryDecorator.androidMkWriteExportedFlags(w)
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fmt.Fprintln(w, "LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE)"+outputFile.Ext())
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fmt.Fprintln(w, "LOCAL_STRIP_MODULE := false")
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fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
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fmt.Fprintln(w, "LOCAL_UNINSTALLABLE_MODULE := true")
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fmt.Fprintln(w, "LOCAL_NO_NOTICE_FILE := true")
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})
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}
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