Enable lld for windows am: 3c21c0b1d9 am: 74eef36e44 (7ce50030) · Commits · e / os / android_build_soong

cc/binary.go

+1 −1

Original line number	Diff line number	Diff line
		@@ -384,7 +384,7 @@ func (binary *binaryDecorator) link(ctx ModuleContext,

		TransformObjToDynamicBinary(ctx, objs.objFiles, sharedLibs, deps.StaticLibs,
		deps.LateStaticLibs, deps.WholeStaticLibs, linkerDeps, deps.CrtBegin, deps.CrtEnd, true,
		builderFlags, outputFile)
		builderFlags, outputFile, nil)

		objs.coverageFiles = append(objs.coverageFiles, deps.StaticLibObjs.coverageFiles...)
		objs.coverageFiles = append(objs.coverageFiles, deps.WholeStaticLibObjs.coverageFiles...)

+13 −7

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import (
		"strings"

		"github.com/google/blueprint"
		"github.com/google/blueprint/pathtools"

		"android/soong/android"
		"android/soong/cc/config"
		@@ -597,7 +598,7 @@ func transformDarwinObjToStaticLib(ctx android.ModuleContext, objFiles android.P
		// and shared libraries, to a shared library (.so) or dynamic executable
		func TransformObjToDynamicBinary(ctx android.ModuleContext,
		objFiles, sharedLibs, staticLibs, lateStaticLibs, wholeStaticLibs, deps android.Paths,
		crtBegin, crtEnd android.OptionalPath, groupLate bool, flags builderFlags, outputFile android.WritablePath) {
		crtBegin, crtEnd android.OptionalPath, groupLate bool, flags builderFlags, outputFile android.WritablePath, implicitOutputs android.WritablePaths) {

		ldCmd := "${config.ClangBin}/clang++"

		@@ -634,7 +635,11 @@ func TransformObjToDynamicBinary(ctx android.ModuleContext,
		}

		for _, lib := range sharedLibs {
		libFlagsList = append(libFlagsList, lib.String())
		libFile := lib.String()
		if ctx.Windows() {
		libFile = pathtools.ReplaceExtension(libFile, "a")
		}
		libFlagsList = append(libFlagsList, libFile)
		}

		deps = append(deps, staticLibs...)
		@@ -648,6 +653,7 @@ func TransformObjToDynamicBinary(ctx android.ModuleContext,
		Rule: ld,
		Description: "link " + outputFile.Base(),
		Output: outputFile,
		ImplicitOutputs: implicitOutputs,
		Inputs: objFiles,
		Implicits: deps,
		Args: map[string]string{

+13 −4

Original line number	Diff line number	Diff line
		@@ -347,9 +347,10 @@ func (library *libraryDecorator) linkerFlags(ctx ModuleContext, flags Flags) Fla
		)
		}
		} else {
		f = append(f,
		"-shared",
		"-Wl,-soname,"+libName+flags.Toolchain.ShlibSuffix())
		f = append(f, "-shared")
		if !ctx.Windows() {
		f = append(f, "-Wl,-soname,"+libName+flags.Toolchain.ShlibSuffix())
		}
		}

		flags.LdFlags = append(f, flags.LdFlags...)
		@@ -673,6 +674,14 @@ func (library *libraryDecorator) linkShared(ctx ModuleContext,
		outputFile := android.PathForModuleOut(ctx, fileName)
		ret := outputFile

		var implicitOutputs android.WritablePaths
		if ctx.Windows() {
		importLibraryPath := android.PathForModuleOut(ctx, pathtools.ReplaceExtension(fileName, "a"))

		flags.LdFlags = append(flags.LdFlags, "-Wl,--out-implib="+importLibraryPath.String())
		implicitOutputs = append(implicitOutputs, importLibraryPath)
		}

		builderFlags := flagsToBuilderFlags(flags)

		// Optimize out relinking against shared libraries whose interface hasn't changed by
		@@ -724,7 +733,7 @@ func (library *libraryDecorator) linkShared(ctx ModuleContext,

		TransformObjToDynamicBinary(ctx, objs.objFiles, sharedLibs,
		deps.StaticLibs, deps.LateStaticLibs, deps.WholeStaticLibs,
		linkerDeps, deps.CrtBegin, deps.CrtEnd, false, builderFlags, outputFile)
		linkerDeps, deps.CrtBegin, deps.CrtEnd, false, builderFlags, outputFile, implicitOutputs)

		objs.coverageFiles = append(objs.coverageFiles, deps.StaticLibObjs.coverageFiles...)
		objs.coverageFiles = append(objs.coverageFiles, deps.WholeStaticLibObjs.coverageFiles...)

+2 −6

Original line number	Diff line number	Diff line
		@@ -290,10 +290,6 @@ func (linker *baseLinker) useClangLld(ctx ModuleContext) bool {
		if ctx.Darwin() {
		return false
		}
		// http://b/110800681 - lld cannot link Android's Windows modules yet.
		if ctx.Windows() {
		return false
		}
		if linker.Properties.Use_clang_lld != nil {
		return Bool(linker.Properties.Use_clang_lld)
		}
		@@ -347,7 +343,7 @@ func (linker *baseLinker) linkerFlags(ctx ModuleContext, flags Flags) Flags {
		// darwin defaults to treating undefined symbols as errors
		flags.LdFlags = append(flags.LdFlags, "-Wl,-undefined,dynamic_lookup")
		}
		} else if !ctx.Darwin() {
		} else if !ctx.Darwin() && !ctx.Windows() {
		flags.LdFlags = append(flags.LdFlags, "-Wl,--no-undefined")
		}

		@@ -384,7 +380,7 @@ func (linker *baseLinker) linkerFlags(ctx ModuleContext, flags Flags) Flags {

		flags.LdFlags = append(flags.LdFlags, proptools.NinjaAndShellEscapeList(linker.Properties.Ldflags)...)

		if ctx.Host() {
		if ctx.Host() && !ctx.Windows() {
		rpath_prefix := `\$$ORIGIN/`
		if ctx.Darwin() {
		rpath_prefix = "@loader_path/"