}
	}
	return nil
}

func (tools gccgoToolchain) asm(b *Builder, a *Action, sfiles []string) ([]string, error) {
	p := a.Package
	var ofiles []string
	for _, sfile := range sfiles {
		base := filepath.Base(sfile)
		ofile := a.Objdir + base[:len(base)-len(".s")] + ".o"
		ofiles = append(ofiles, ofile)
		sfile, _ = fsys.OverlayPath(mkAbs(p.Dir, sfile))

	}

	return args
}

func (gcToolchain) asm(b *Builder, a *Action, sfiles []string) ([]string, error) {
	p := a.Package
	args := asmArgs(a, p)

	var ofiles []string
	for _, sfile := range sfiles {
		overlayPath, _ := fsys.OverlayPath(mkAbs(p.Dir, sfile))
		ofile := a.Objdir + sfile[:len(sfile)-len(".s")] + ".o"
		ofiles = append(ofiles, ofile)
		args1 := append(args, "-o", ofile, overlayPath)

	p.IgnoredOtherFiles = pp.IgnoredOtherFiles
	p.CFiles = pp.CFiles
	p.CXXFiles = pp.CXXFiles
	p.MFiles = pp.MFiles
	p.HFiles = pp.HFiles
	p.FFiles = pp.FFiles
	p.SFiles = pp.SFiles
	p.SwigFiles = pp.SwigFiles
	p.SwigCXXFiles = pp.SwigCXXFiles
	p.SysoFiles = pp.SysoFiles
	if cfg.BuildMSan {
		// There's no way for .syso files to be built both with and without

		gccfiles = append(gccfiles, cfiles...)
		cfiles = nil
		if p.Standard && p.ImportPath == "runtime/cgo" {
			filter := func(files, nongcc, gcc []string) ([]string, []string) {
				for _, f := range files {
					if strings.HasPrefix(f, "gcc_") {
						gcc = append(gcc, f)
					} else {
						nongcc = append(nongcc, f)
					}
				}
				return nongcc, gcc
			}
			sfiles, gccfiles = filter(sfiles, sfiles[:0], gccfiles)

func (e *NoGoError) Error() string {
	return "no buildable Go source files in " + e.Dir
}

// MultiplePackageError describes a directory containing
// multiple buildable Go source files for multiple packages.
type MultiplePackageError struct {
	Dir      string   // directory containing files
	Packages []string // package names found
	Files    []string // corresponding files: Files[i] declares package Packages[i]
}

	CFiles            []string // .c source files
	CXXFiles          []string // .cc, .cpp and .cxx source files
	MFiles            []string // .m (Objective-C) source files
	HFiles            []string // .h, .hh, .hpp and .hxx source files
	FFiles            []string // .f, .F, .for and .f90 Fortran source files
	SFiles            []string // .s source files

        CFiles            []string   // .c source files
        CXXFiles          []string   // .cc, .cxx and .cpp source files
        MFiles            []string   // .m source files
        HFiles            []string   // .h, .hh, .hpp and .hxx source files
        FFiles            []string   // .f, .F, .for and .f90 Fortran source files
        SFiles            []string   // .s source files

 *
 * <p>{@link java.nio.file.Path} users will find similar utilities in {@link MoreFiles} and the
 * JDK's {@link java.nio.file.Files} class.
 *
 * @author Chris Nokleberg
 * @author Colin Decker
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public final class Files {

  private Files() {}

  /**

 *
 * <p>{@link java.nio.file.Path} users will find similar utilities in {@link MoreFiles} and the
 * JDK's {@link java.nio.file.Files} class.
 *
 * @author Chris Nokleberg
 * @author Colin Decker
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public final class Files {

  private Files() {}

  /**

		return err
	} // Assert: dir does not exist

	// create the dir
	return fs.MkdirAll(path, defaultPerm)
}

// WriteTempDir creates a temporary dir at `path`, writes `files` into it, and fsyncs all the files
// The keys of `files` represent file names. These names must not:
// - be empty
// - be a path that contains more than the base name of a file (e.g. foo/bar is invalid, as is /bar)
// - match `.` or `..` exactly