var to string
			if cfg.BuildContext.GOOS == "windows" {
				to = filepath.Join(`\\_\_`, toPath)
			} else {
				to = filepath.Join("/_", toPath)
			}
			flags = append(slices.Clip(flags), prefixMapFlag+"="+from+"="+to)
		}
	}

	// Tell gcc to not insert truly random numbers into the build process
	// this ensures LTO won't create random numbers for symbols.