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()
}

// generate runs the generation directives for a single file.
func generate(absFile string) bool {

func (p *Package) InternalGoFiles() []string {
	return p.mkAbs(str.StringList(p.GoFiles, p.CgoFiles, p.TestGoFiles))
}

// InternalXGoFiles returns the list of Go files being built for the XTest package,
// using absolute paths.
func (p *Package) InternalXGoFiles() []string {
	return p.mkAbs(p.XTestGoFiles)
}

// InternalAllGoFiles returns the list of all Go files possibly relevant for the package,