cc/androidmk.go - SHIFTPHONES/android_build_soong - Gitiles

 // Copyright 2015 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 cc

 import (
 	"fmt"
 	"io"
 	"path/filepath"
 	"strings"

 	"android/soong/android"
 )

 type AndroidMkContext interface {
 	Target() android.Target
 	subAndroidMk(*android.AndroidMkData, interface{})
 }

 type subAndroidMkProvider interface {
 	AndroidMk(AndroidMkContext, *android.AndroidMkData)
 }

 func (c *Module) subAndroidMk(data *android.AndroidMkData, obj interface{}) {
 	if c.subAndroidMkOnce == nil {
 		c.subAndroidMkOnce = make(map[subAndroidMkProvider]bool)
 	}
 	if androidmk, ok := obj.(subAndroidMkProvider); ok {
 		if !c.subAndroidMkOnce[androidmk] {
 			c.subAndroidMkOnce[androidmk] = true
 			androidmk.AndroidMk(c, data)
 		}
 	}
 }

 func (c *Module) AndroidMk() (ret android.AndroidMkData, err error) {
 	if c.Properties.HideFromMake {
 		ret.Disabled = true
 		return ret, nil
 	}

 	ret.OutputFile = c.outputFile
 	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) (err error) {
 		fmt.Fprintln(w, "LOCAL_SANITIZE := never")
 		if len(c.Properties.AndroidMkSharedLibs) > 0 {
 			fmt.Fprintln(w, "LOCAL_SHARED_LIBRARIES := "+strings.Join(c.Properties.AndroidMkSharedLibs, " "))
 		}
 		if c.Target().Os == android.Android && c.Properties.Sdk_version != "" {
 			fmt.Fprintln(w, "LOCAL_SDK_VERSION := "+c.Properties.Sdk_version)
 			fmt.Fprintln(w, "LOCAL_NDK_STL_VARIANT := none")
 		} else {
 			// These are already included in LOCAL_SHARED_LIBRARIES
 			fmt.Fprintln(w, "LOCAL_CXX_STL := none")
 		}
 		return nil
 	})

 	for _, feature := range c.features {
 		c.subAndroidMk(&ret, feature)
 	}

 	c.subAndroidMk(&ret, c.compiler)
 	c.subAndroidMk(&ret, c.linker)
 	c.subAndroidMk(&ret, c.installer)

 	return ret, nil
 }

 func (library *libraryDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	writeExportedIncludes := func(w io.Writer) {
 		var exportedIncludes []string
 		for _, flag := range library.exportedFlags() {
 			if strings.HasPrefix(flag, "-I") {
 				exportedIncludes = append(exportedIncludes, strings.TrimPrefix(flag, "-I"))
 			}
 		}
 		if len(exportedIncludes) > 0 {
 			fmt.Fprintln(w, "LOCAL_EXPORT_C_INCLUDE_DIRS :=", strings.Join(exportedIncludes, " "))
 		}
 		exportedIncludeDeps := library.exportedFlagsDeps()
 		if len(exportedIncludeDeps) > 0 {
 			fmt.Fprintln(w, "LOCAL_EXPORT_C_INCLUDE_DEPS :=", strings.Join(exportedIncludeDeps.Strings(), " "))
 		}
 	}

 	if library.static() {
 		ret.Class = "STATIC_LIBRARIES"
 	} else if library.shared() {
 		ctx.subAndroidMk(ret, &library.stripper)
 		ctx.subAndroidMk(ret, &library.relocationPacker)

 		ret.Class = "SHARED_LIBRARIES"
 	} else if library.header() {
 		ret.Custom = func(w io.Writer, name, prefix, moduleDir string) error {
 			fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)")
 			fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
 			fmt.Fprintln(w, "LOCAL_MODULE :=", name)

 			archStr := ctx.Target().Arch.ArchType.String()
 			var host bool
 			switch ctx.Target().Os.Class {
 			case android.Host:
 				fmt.Fprintln(w, "LOCAL_MODULE_HOST_ARCH := ", archStr)
 				host = true
 			case android.HostCross:
 				fmt.Fprintln(w, "LOCAL_MODULE_HOST_CROSS_ARCH := ", archStr)
 				host = true
 			case android.Device:
 				fmt.Fprintln(w, "LOCAL_MODULE_TARGET_ARCH := ", archStr)
 			}

 			if host {
 				fmt.Fprintln(w, "LOCAL_MODULE_HOST_OS :=", ctx.Target().Os.String())
 				fmt.Fprintln(w, "LOCAL_IS_HOST_MODULE := true")
 			}

 			writeExportedIncludes(w)
 			fmt.Fprintln(w, "include $(BUILD_HEADER_LIBRARY)")

 			return nil
 		}

 		return
 	}

 	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
 		writeExportedIncludes(w)

 		fmt.Fprintln(w, "LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE)"+outputFile.Ext())

 		fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")

 		if library.coverageOutputFile.Valid() {
 			fmt.Fprintln(w, "LOCAL_PREBUILT_COVERAGE_ARCHIVE :=", library.coverageOutputFile.String())
 		}

 		return nil
 	})

 	if library.shared() {
 		ctx.subAndroidMk(ret, library.baseInstaller)
 	}
 }

 func (object *objectLinker) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	ret.Custom = func(w io.Writer, name, prefix, moduleDir string) error {
 		out := ret.OutputFile.Path()

 		fmt.Fprintln(w, "\n$("+prefix+"OUT_INTERMEDIATE_LIBRARIES)/"+name+objectExtension+":", out.String())
 		fmt.Fprintln(w, "\t$(copy-file-to-target)")

 		return nil
 	}
 }

 func (binary *binaryDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	ctx.subAndroidMk(ret, binary.baseInstaller)
 	ctx.subAndroidMk(ret, &binary.stripper)

 	ret.Class = "EXECUTABLES"
 	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
 		fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
 		if Bool(binary.Properties.Static_executable) {
 			fmt.Fprintln(w, "LOCAL_FORCE_STATIC_EXECUTABLE := true")
 		}

 		if len(binary.symlinks) > 0 {
 			fmt.Fprintln(w, "LOCAL_MODULE_SYMLINKS := "+strings.Join(binary.symlinks, " "))
 		}

 		if binary.coverageOutputFile.Valid() {
 			fmt.Fprintln(w, "LOCAL_PREBUILT_COVERAGE_ARCHIVE :=", binary.coverageOutputFile.String())
 		}
 		return nil
 	})
 }

 func (benchmark *benchmarkDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	ctx.subAndroidMk(ret, benchmark.binaryDecorator)
 }

 func (test *testBinary) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	ctx.subAndroidMk(ret, test.binaryDecorator)
 	ret.Class = "NATIVE_TESTS"
 	if Bool(test.Properties.Test_per_src) {
 		ret.SubName = "_" + test.binaryDecorator.Properties.Stem
 	}

 	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
 		if len(test.Properties.Test_suites) > 0 {
 			fmt.Fprintln(w, "LOCAL_COMPATIBILITY_SUITE :=",
 				strings.Join(test.Properties.Test_suites, " "))
 		}
 		return nil
 	})

 	var testFiles []string
 	for _, d := range test.data {
 		rel := d.Rel()
 		path := d.String()
 		if !strings.HasSuffix(path, rel) {
 			panic(fmt.Errorf("path %q does not end with %q", path, rel))
 		}
 		path = strings.TrimSuffix(path, rel)
 		testFiles = append(testFiles, path+":"+rel)
 	}
 	if len(testFiles) > 0 {
 		ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
 			fmt.Fprintln(w, "LOCAL_TEST_DATA := "+strings.Join(testFiles, " "))
 			return nil
 		})
 	}
 }

 func (test *testLibrary) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	ctx.subAndroidMk(ret, test.libraryDecorator)
 }

 func (library *toolchainLibraryDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	ret.Class = "STATIC_LIBRARIES"
 	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
 		fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+outputFile.Ext())
 		fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")

 		return nil
 	})
 }

 func (stripper *stripper) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	// Make only supports stripping target modules
 	if ctx.Target().Os != android.Android {
 		return
 	}

 	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
 		if stripper.StripProperties.Strip.None {
 			fmt.Fprintln(w, "LOCAL_STRIP_MODULE := false")
 		} else if stripper.StripProperties.Strip.Keep_symbols {
 			fmt.Fprintln(w, "LOCAL_STRIP_MODULE := keep_symbols")
 		} else {
 			fmt.Fprintln(w, "LOCAL_STRIP_MODULE := mini-debug-info")
 		}

 		return nil
 	})
 }

 func (packer *relocationPacker) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
 		if packer.Properties.PackingRelocations {
 			fmt.Fprintln(w, "LOCAL_PACK_MODULE_RELOCATIONS := true")
 		}
 		return nil
 	})
 }

 func (installer *baseInstaller) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	// Soong installation is only supported for host modules. Have Make
 	// installation trigger Soong installation.
 	if ctx.Target().Os.Class == android.Host {
 		ret.OutputFile = android.OptionalPathForPath(installer.path)
 	}

 	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
 		path := installer.path.RelPathString()
 		dir, file := filepath.Split(path)
 		stem := strings.TrimSuffix(file, filepath.Ext(file))
 		fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+filepath.Ext(file))
 		fmt.Fprintln(w, "LOCAL_MODULE_PATH := $(OUT_DIR)/"+filepath.Clean(dir))
 		fmt.Fprintln(w, "LOCAL_MODULE_STEM := "+stem)
 		return nil
 	})
 }

 func (c *stubDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkData) {
 	ret.SubName = "." + c.properties.ApiLevel
 	ret.Class = "SHARED_LIBRARIES"

 	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
 		path, file := filepath.Split(c.installPath)
 		stem := strings.TrimSuffix(file, filepath.Ext(file))
 		fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
 		fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+outputFile.Ext())
 		fmt.Fprintln(w, "LOCAL_MODULE_PATH := "+path)
 		fmt.Fprintln(w, "LOCAL_MODULE_STEM := "+stem)
 		fmt.Fprintln(w, "LOCAL_NO_NOTICE_FILE := true")

 		// Prevent make from installing the libraries to obj/lib (since we have
 		// dozens of libraries with the same name, they'll clobber each other
 		// and the real versions of the libraries from the platform).
 		fmt.Fprintln(w, "LOCAL_COPY_TO_INTERMEDIATE_LIBRARIES := false")
 		return nil
 	})
 }
	// Copyright 2015 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 cc

	import (
	"fmt"
	"io"
	"path/filepath"
	"strings"

	"android/soong/android"
	)

	type AndroidMkContext interface {
	Target() android.Target
	subAndroidMk(*android.AndroidMkData, interface{})
	}

	type subAndroidMkProvider interface {
	AndroidMk(AndroidMkContext, *android.AndroidMkData)
	}

	func (c Module) subAndroidMk(data android.AndroidMkData, obj interface{}) {
	if c.subAndroidMkOnce == nil {
	c.subAndroidMkOnce = make(map[subAndroidMkProvider]bool)
	}
	if androidmk, ok := obj.(subAndroidMkProvider); ok {
	if !c.subAndroidMkOnce[androidmk] {
	c.subAndroidMkOnce[androidmk] = true
	androidmk.AndroidMk(c, data)
	}
	}
	}

	func (c *Module) AndroidMk() (ret android.AndroidMkData, err error) {
	if c.Properties.HideFromMake {
	ret.Disabled = true
	return ret, nil
	}

	ret.OutputFile = c.outputFile
	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) (err error) {
	fmt.Fprintln(w, "LOCAL_SANITIZE := never")
	if len(c.Properties.AndroidMkSharedLibs) > 0 {
	fmt.Fprintln(w, "LOCAL_SHARED_LIBRARIES := "+strings.Join(c.Properties.AndroidMkSharedLibs, " "))
	}
	if c.Target().Os == android.Android && c.Properties.Sdk_version != "" {
	fmt.Fprintln(w, "LOCAL_SDK_VERSION := "+c.Properties.Sdk_version)
	fmt.Fprintln(w, "LOCAL_NDK_STL_VARIANT := none")
	} else {
	// These are already included in LOCAL_SHARED_LIBRARIES
	fmt.Fprintln(w, "LOCAL_CXX_STL := none")
	}
	return nil
	})

	for _, feature := range c.features {
	c.subAndroidMk(&ret, feature)
	}

	c.subAndroidMk(&ret, c.compiler)
	c.subAndroidMk(&ret, c.linker)
	c.subAndroidMk(&ret, c.installer)

	return ret, nil
	}

	func (library libraryDecorator) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	writeExportedIncludes := func(w io.Writer) {
	var exportedIncludes []string
	for _, flag := range library.exportedFlags() {
	if strings.HasPrefix(flag, "-I") {
	exportedIncludes = append(exportedIncludes, strings.TrimPrefix(flag, "-I"))
	}
	}
	if len(exportedIncludes) > 0 {
	fmt.Fprintln(w, "LOCAL_EXPORT_C_INCLUDE_DIRS :=", strings.Join(exportedIncludes, " "))
	}
	exportedIncludeDeps := library.exportedFlagsDeps()
	if len(exportedIncludeDeps) > 0 {
	fmt.Fprintln(w, "LOCAL_EXPORT_C_INCLUDE_DEPS :=", strings.Join(exportedIncludeDeps.Strings(), " "))
	}
	}

	if library.static() {
	ret.Class = "STATIC_LIBRARIES"
	} else if library.shared() {
	ctx.subAndroidMk(ret, &library.stripper)
	ctx.subAndroidMk(ret, &library.relocationPacker)

	ret.Class = "SHARED_LIBRARIES"
	} else if library.header() {
	ret.Custom = func(w io.Writer, name, prefix, moduleDir string) error {
	fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)")
	fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
	fmt.Fprintln(w, "LOCAL_MODULE :=", name)

	archStr := ctx.Target().Arch.ArchType.String()
	var host bool
	switch ctx.Target().Os.Class {
	case android.Host:
	fmt.Fprintln(w, "LOCAL_MODULE_HOST_ARCH := ", archStr)
	host = true
	case android.HostCross:
	fmt.Fprintln(w, "LOCAL_MODULE_HOST_CROSS_ARCH := ", archStr)
	host = true
	case android.Device:
	fmt.Fprintln(w, "LOCAL_MODULE_TARGET_ARCH := ", archStr)
	}

	if host {
	fmt.Fprintln(w, "LOCAL_MODULE_HOST_OS :=", ctx.Target().Os.String())
	fmt.Fprintln(w, "LOCAL_IS_HOST_MODULE := true")
	}

	writeExportedIncludes(w)
	fmt.Fprintln(w, "include $(BUILD_HEADER_LIBRARY)")

	return nil
	}

	return
	}

	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
	writeExportedIncludes(w)

	fmt.Fprintln(w, "LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE)"+outputFile.Ext())

	fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")

	if library.coverageOutputFile.Valid() {
	fmt.Fprintln(w, "LOCAL_PREBUILT_COVERAGE_ARCHIVE :=", library.coverageOutputFile.String())
	}

	return nil
	})

	if library.shared() {
	ctx.subAndroidMk(ret, library.baseInstaller)
	}
	}

	func (object objectLinker) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	ret.Custom = func(w io.Writer, name, prefix, moduleDir string) error {
	out := ret.OutputFile.Path()

	fmt.Fprintln(w, "\n$("+prefix+"OUT_INTERMEDIATE_LIBRARIES)/"+name+objectExtension+":", out.String())
	fmt.Fprintln(w, "\t$(copy-file-to-target)")

	return nil
	}
	}

	func (binary binaryDecorator) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	ctx.subAndroidMk(ret, binary.baseInstaller)
	ctx.subAndroidMk(ret, &binary.stripper)

	ret.Class = "EXECUTABLES"
	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
	fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
	if Bool(binary.Properties.Static_executable) {
	fmt.Fprintln(w, "LOCAL_FORCE_STATIC_EXECUTABLE := true")
	}

	if len(binary.symlinks) > 0 {
	fmt.Fprintln(w, "LOCAL_MODULE_SYMLINKS := "+strings.Join(binary.symlinks, " "))
	}

	if binary.coverageOutputFile.Valid() {
	fmt.Fprintln(w, "LOCAL_PREBUILT_COVERAGE_ARCHIVE :=", binary.coverageOutputFile.String())
	}
	return nil
	})
	}

	func (benchmark benchmarkDecorator) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	ctx.subAndroidMk(ret, benchmark.binaryDecorator)
	}

	func (test testBinary) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	ctx.subAndroidMk(ret, test.binaryDecorator)
	ret.Class = "NATIVE_TESTS"
	if Bool(test.Properties.Test_per_src) {
	ret.SubName = "_" + test.binaryDecorator.Properties.Stem
	}

	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
	if len(test.Properties.Test_suites) > 0 {
	fmt.Fprintln(w, "LOCAL_COMPATIBILITY_SUITE :=",
	strings.Join(test.Properties.Test_suites, " "))
	}
	return nil
	})

	var testFiles []string
	for _, d := range test.data {
	rel := d.Rel()
	path := d.String()
	if !strings.HasSuffix(path, rel) {
	panic(fmt.Errorf("path %q does not end with %q", path, rel))
	}
	path = strings.TrimSuffix(path, rel)
	testFiles = append(testFiles, path+":"+rel)
	}
	if len(testFiles) > 0 {
	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
	fmt.Fprintln(w, "LOCAL_TEST_DATA := "+strings.Join(testFiles, " "))
	return nil
	})
	}
	}

	func (test testLibrary) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	ctx.subAndroidMk(ret, test.libraryDecorator)
	}

	func (library toolchainLibraryDecorator) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	ret.Class = "STATIC_LIBRARIES"
	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
	fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+outputFile.Ext())
	fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")

	return nil
	})
	}

	func (stripper stripper) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	// Make only supports stripping target modules
	if ctx.Target().Os != android.Android {
	return
	}

	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
	if stripper.StripProperties.Strip.None {
	fmt.Fprintln(w, "LOCAL_STRIP_MODULE := false")
	} else if stripper.StripProperties.Strip.Keep_symbols {
	fmt.Fprintln(w, "LOCAL_STRIP_MODULE := keep_symbols")
	} else {
	fmt.Fprintln(w, "LOCAL_STRIP_MODULE := mini-debug-info")
	}

	return nil
	})
	}

	func (packer relocationPacker) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
	if packer.Properties.PackingRelocations {
	fmt.Fprintln(w, "LOCAL_PACK_MODULE_RELOCATIONS := true")
	}
	return nil
	})
	}

	func (installer baseInstaller) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	// Soong installation is only supported for host modules. Have Make
	// installation trigger Soong installation.
	if ctx.Target().Os.Class == android.Host {
	ret.OutputFile = android.OptionalPathForPath(installer.path)
	}

	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
	path := installer.path.RelPathString()
	dir, file := filepath.Split(path)
	stem := strings.TrimSuffix(file, filepath.Ext(file))
	fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+filepath.Ext(file))
	fmt.Fprintln(w, "LOCAL_MODULE_PATH := $(OUT_DIR)/"+filepath.Clean(dir))
	fmt.Fprintln(w, "LOCAL_MODULE_STEM := "+stem)
	return nil
	})
	}

	func (c stubDecorator) AndroidMk(ctx AndroidMkContext, ret android.AndroidMkData) {
	ret.SubName = "." + c.properties.ApiLevel
	ret.Class = "SHARED_LIBRARIES"

	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
	path, file := filepath.Split(c.installPath)
	stem := strings.TrimSuffix(file, filepath.Ext(file))
	fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
	fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+outputFile.Ext())
	fmt.Fprintln(w, "LOCAL_MODULE_PATH := "+path)
	fmt.Fprintln(w, "LOCAL_MODULE_STEM := "+stem)
	fmt.Fprintln(w, "LOCAL_NO_NOTICE_FILE := true")

	// Prevent make from installing the libraries to obj/lib (since we have
	// dozens of libraries with the same name, they'll clobber each other
	// and the real versions of the libraries from the platform).
	fmt.Fprintln(w, "LOCAL_COPY_TO_INTERMEDIATE_LIBRARIES := false")
	return nil
	})
	}