}

func (p *Package) copyBuild(opts PackageOpts, pp *build.Package) {
	p.Internal.Build = pp

	if pp.PkgTargetRoot != "" && cfg.BuildPkgdir != "" {
		old := pp.PkgTargetRoot
		pp.PkgRoot = cfg.BuildPkgdir
		pp.PkgTargetRoot = cfg.BuildPkgdir
		if pp.PkgObj != "" {
			pp.PkgObj = filepath.Join(cfg.BuildPkgdir, strings.TrimPrefix(pp.PkgObj, old))
		}
	}

	p.Dir = pp.Dir