// 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()
}