README 1017 B

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  1. The GNU Autoconf Archive is a collection of more than 500 macros for
  2. GNU Autoconf that have been contributed as free software by friendly
  3. supporters of the cause from all over the Internet. Every single one of
  4. those macros can be re-used without imposing any restrictions whatsoever
  5. on the licensing of the generated configure script. In particular, it is
  6. possible to use all those macros in configure scripts that are meant for
  7. non-free software. This policy is unusual for a Free Software Foundation
  8. project. The FSF firmly believes that software ought to be free, and
  9. software licenses like the GPL are specifically designed to ensure that
  10. derivative work based on free software must be free as well. In case of
  11. Autoconf, however, an exception has been made, because Autoconf is at
  12. such a pivotal position in the software development tool chain that the
  13. benefits from having this tool available as widely as possible outweigh
  14. the disadvantage that some authors may choose to use it, too, for
  15. proprietary software.