+[7]: http://www.freedesktop.org/wiki/Software/pkg-config/
+[8]: https://gcc.gnu.org/
+[9]: https://www.gnu.org/software/make/
+[10]: https://osxfuse.github.io/
+[11]: https://en.wikipedia.org/wiki/Xcode
+[12]: https://www.kernel.org/pub/linux/utils/util-linux/
+[13]: https://en.wikipedia.org/wiki/Device_file