Merge "Remove versioned_ndk_headers module type." into main am: d18adf146f (9de40022) · Commits · e / os / android_build_soong

cc/library.go

+0 −47

Original line number	Diff line number	Diff line
		@@ -1264,14 +1264,6 @@ func (library *libraryDecorator) exportedIncludeDirsForAbiCheck(ctx ModuleContex
		func (library *libraryDecorator) llndkIncludeDirsForAbiCheck(ctx ModuleContext, deps PathDeps) []string {
		var includeDirs, systemIncludeDirs []string

		// The ABI checker does not need the preprocess which adds macro guards to function declarations.
		preprocessedDirs := android.PathsForModuleSrc(ctx, library.Properties.Llndk.Export_preprocessed_headers).Strings()
		if Bool(library.Properties.Llndk.Export_headers_as_system) {
		systemIncludeDirs = append(systemIncludeDirs, preprocessedDirs...)
		} else {
		includeDirs = append(includeDirs, preprocessedDirs...)
		}

		if library.Properties.Llndk.Override_export_include_dirs != nil {
		includeDirs = append(includeDirs, android.PathsForModuleSrc(
		ctx, library.Properties.Llndk.Override_export_include_dirs).Strings()...)
		@@ -1579,25 +1571,6 @@ func (library *libraryDecorator) linkSAbiDumpFiles(ctx ModuleContext, deps PathD
		}
		}

		func processLLNDKHeaders(ctx ModuleContext, srcHeaderDir string, outDir android.ModuleGenPath) (timestamp android.Path, installPaths android.WritablePaths) {
		srcDir := android.PathForModuleSrc(ctx, srcHeaderDir)
		srcFiles := ctx.GlobFiles(filepath.Join(srcDir.String(), "*/.h"), nil)

		for _, header := range srcFiles {
		headerDir := filepath.Dir(header.String())
		relHeaderDir, err := filepath.Rel(srcDir.String(), headerDir)
		if err != nil {
		ctx.ModuleErrorf("filepath.Rel(%q, %q) failed: %s",
		srcDir.String(), headerDir, err)
		continue
		}

		installPaths = append(installPaths, outDir.Join(ctx, relHeaderDir, header.Base()))
		}

		return processHeadersWithVersioner(ctx, srcDir, outDir, srcFiles, installPaths), installPaths
		}

		// link registers actions to link this library, and sets various fields
		// on this library to reflect information that should be exported up the build
		// tree (for example, exported flags and include paths).
		@@ -1605,26 +1578,6 @@ func (library *libraryDecorator) link(ctx ModuleContext,
		flags Flags, deps PathDeps, objs Objects) android.Path {

		if ctx.IsLlndk() {
		if len(library.Properties.Llndk.Export_preprocessed_headers) > 0 {
		// This is the vendor variant of an LLNDK library with preprocessed headers.
		genHeaderOutDir := android.PathForModuleGen(ctx, "include")

		var timestampFiles android.Paths
		for _, dir := range library.Properties.Llndk.Export_preprocessed_headers {
		timestampFile, installPaths := processLLNDKHeaders(ctx, dir, genHeaderOutDir)
		timestampFiles = append(timestampFiles, timestampFile)
		library.addExportedGeneratedHeaders(installPaths.Paths()...)
		}

		if Bool(library.Properties.Llndk.Export_headers_as_system) {
		library.reexportSystemDirs(genHeaderOutDir)
		} else {
		library.reexportDirs(genHeaderOutDir)
		}

		library.reexportDeps(timestampFiles...)
		}

		// override the module's export_include_dirs with llndk.override_export_include_dirs
		// if it is set.
		if override := library.Properties.Llndk.Override_export_include_dirs; override != nil {

cc/llndk_library.go

+0 −4

Original line number	Diff line number	Diff line
		@@ -36,10 +36,6 @@ type llndkLibraryProperties struct {
		// bionic/libc.
		Export_headers_as_system *bool

		// Which headers to process with versioner. This really only handles
		// bionic/libc/include right now.
		Export_preprocessed_headers []string

		// Whether the system library uses symbol versions.
		Unversioned *bool

cc/ndk_headers.go

+0 −133

Original line number	Diff line number	Diff line
		@@ -23,15 +23,6 @@ import (
		)

		var (
		versionBionicHeaders = pctx.AndroidStaticRule("versionBionicHeaders",
		blueprint.RuleParams{
		// The `&& touch $out` isn't really necessary, but Blueprint won't
		// let us have only implicit outputs.
		Command: "$versionerCmd -o $outDir $srcDir $depsPath && touch $out",
		CommandDeps: []string{"$versionerCmd"},
		},
		"depsPath", "srcDir", "outDir")

		preprocessNdkHeader = pctx.AndroidStaticRule("preprocessNdkHeader",
		blueprint.RuleParams{
		Command: "$preprocessor -o $out $in",
		@@ -40,10 +31,6 @@ var (
		"preprocessor")
		)

		func init() {
		pctx.SourcePathVariable("versionerCmd", "prebuilts/clang-tools/${config.HostPrebuiltTag}/bin/versioner")
		}

		// Returns the NDK base include path for use with sdk_version current. Usable with -I.
		func getCurrentIncludePath(ctx android.PathContext) android.OutputPath {
		return getNdkSysrootBase(ctx).Join(ctx, "usr/include")
		@@ -167,126 +154,6 @@ func NdkHeadersFactory() android.Module {
		return module
		}

		type versionedHeaderProperties struct {
		// Base directory of the headers being installed. As an example:
		//
		// versioned_ndk_headers {
		// name: "foo",
		// from: "include",
		// to: "",
		// }
		//
		// Will install $SYSROOT/usr/include/foo/bar/baz.h. If `from` were instead
		// "include/foo", it would have installed $SYSROOT/usr/include/bar/baz.h.
		From *string

		// Install path within the sysroot. This is relative to usr/include.
		To *string

		// Path to the NOTICE file associated with the headers.
		License *string
		}

		// Like ndk_headers, but preprocesses the headers with the bionic versioner:
		// https://android.googlesource.com/platform/bionic/+/main/tools/versioner/README.md.
		//
		// Unlike ndk_headers, we don't operate on a list of sources but rather a whole directory, the
		// module does not have the srcs property, and operates on a full directory (the `from` property).
		//
		// Note that this is really only built to handle bionic/libc/include.
		type versionedHeaderModule struct {
		android.ModuleBase

		properties versionedHeaderProperties

		srcPaths android.Paths
		installPaths android.Paths
		licensePath android.Path
		}

		// Return the glob pattern to find all .h files beneath `dir`
		func headerGlobPattern(dir string) string {
		return filepath.Join(dir, "*", ".h")
		}

		func (m *versionedHeaderModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
		if String(m.properties.License) == "" {
		ctx.PropertyErrorf("license", "field is required")
		}

		m.licensePath = android.PathForModuleSrc(ctx, String(m.properties.License))

		fromSrcPath := android.PathForModuleSrc(ctx, String(m.properties.From))
		toOutputPath := getCurrentIncludePath(ctx).Join(ctx, String(m.properties.To))
		m.srcPaths = ctx.GlobFiles(headerGlobPattern(fromSrcPath.String()), nil)
		var installPaths []android.WritablePath
		for _, header := range m.srcPaths {
		installDir := getHeaderInstallDir(ctx, header, String(m.properties.From), String(m.properties.To))
		installPath := installDir.Join(ctx, header.Base())
		installPaths = append(installPaths, installPath)
		m.installPaths = append(m.installPaths, installPath)
		}

		if len(m.installPaths) == 0 {
		ctx.ModuleErrorf("glob %q matched zero files", String(m.properties.From))
		}

		processHeadersWithVersioner(ctx, fromSrcPath, toOutputPath, m.srcPaths, installPaths)
		}

		func processHeadersWithVersioner(ctx android.ModuleContext, srcDir, outDir android.Path,
		srcPaths android.Paths, installPaths []android.WritablePath) android.Path {
		// The versioner depends on a dependencies directory to simplify determining include paths
		// when parsing headers. This directory contains architecture specific directories as well
		// as a common directory, each of which contains symlinks to the actually directories to
		// be included.
		//
		// ctx.Glob doesn't follow symlinks, so we need to do this ourselves so we correctly
		// depend on these headers.
		// TODO(http://b/35673191): Update the versioner to use a --sysroot.
		depsPath := android.PathForSource(ctx, "bionic/libc/versioner-dependencies")
		depsGlob := ctx.Glob(filepath.Join(depsPath.String(), "*/"), nil)
		for i, path := range depsGlob {
		if ctx.IsSymlink(path) {
		dest := ctx.Readlink(path)
		// Additional .. to account for the symlink itself.
		depsGlob[i] = android.PathForSource(
		ctx, filepath.Clean(filepath.Join(path.String(), "..", dest)))
		}
		}

		timestampFile := android.PathForModuleOut(ctx, "versioner.timestamp")
		ctx.Build(pctx, android.BuildParams{
		Rule: versionBionicHeaders,
		Description: "versioner preprocess " + srcDir.Rel(),
		Output: timestampFile,
		Implicits: append(srcPaths, depsGlob...),
		ImplicitOutputs: installPaths,
		Args: map[string]string{
		"depsPath": depsPath.String(),
		"srcDir": srcDir.String(),
		"outDir": outDir.String(),
		},
		})

		return timestampFile
		}

		// versioned_ndk_headers preprocesses the headers with the bionic versioner:
		// https://android.googlesource.com/platform/bionic/+/main/tools/versioner/README.md.
		// Unlike the ndk_headers soong module, versioned_ndk_headers operates on a
		// directory level specified in `from` property. This is only used to process
		// the bionic/libc/include directory.
		func VersionedNdkHeadersFactory() android.Module {
		module := &versionedHeaderModule{}

		module.AddProperties(&module.properties)

		android.InitAndroidModule(module)

		return module
		}

		// preprocessed_ndk_header {
		//
		// name: "foo",

cc/ndk_sysroot.go

+0 −12

Original line number	Diff line number	Diff line
		@@ -79,7 +79,6 @@ func init() {
		func RegisterNdkModuleTypes(ctx android.RegistrationContext) {
		ctx.RegisterModuleType("ndk_headers", NdkHeadersFactory)
		ctx.RegisterModuleType("ndk_library", NdkLibraryFactory)
		ctx.RegisterModuleType("versioned_ndk_headers", VersionedNdkHeadersFactory)
		ctx.RegisterModuleType("preprocessed_ndk_headers", preprocessedNdkHeadersFactory)
		ctx.RegisterParallelSingletonType("ndk", NdkSingleton)
		}
		@@ -230,17 +229,6 @@ func (n *ndkSingleton) GenerateBuildActions(ctx android.SingletonContext) {
		licensePaths = append(licensePaths, m.licensePath)
		}

		if m, ok := module.(*versionedHeaderModule); ok {
		headerSrcPaths = append(headerSrcPaths, m.srcPaths...)
		headerInstallPaths = append(headerInstallPaths, m.installPaths...)
		// Verification intentionally not done for headers that go through
		// versioner. It'd be nice to have, but the only user is bionic, and
		// that one module would also need to use skip_verification, so it
		// wouldn't help at all.
		installPaths = append(installPaths, m.installPaths...)
		licensePaths = append(licensePaths, m.licensePath)
		}

		if m, ok := module.(*preprocessedHeadersModule); ok {
		headerSrcPaths = append(headerSrcPaths, m.srcPaths...)
		headerInstallPaths = append(headerInstallPaths, m.installPaths...)