// one .go source file, so the fact that there are no files
			// implies that the package couldn't be found.
			base.Errorf("%v", pkg.Error)
		}

		for _, file := range pkg.InternalGoFiles() {
			if !generate(file) {
				break
			}
		}

		for _, file := range pkg.InternalXGoFiles() {
			if !generate(file) {
				break
			}
		}
	}
	base.ExitIfErrors()
}

	for i, f := range list {
		list[i] = filepath.Join(p.Dir, f)
	}
	sort.Strings(list)
	return list
}

// InternalGoFiles returns the list of Go files being built for the package,
// using absolute paths.
func (p *Package) InternalGoFiles() []string {
	return p.mkAbs(str.StringList(p.GoFiles, p.CgoFiles, p.TestGoFiles))
}