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Autoconf Archive
================

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

The best place to start exploring the Archive is the [on-line
documentation](https://www.gnu.org/software/autoconf-archive/). There is
also the [Autoconf Archive home
page](http://savannah.gnu.org/projects/autoconf-archive/) at Savannah and
a [Github mirror](https://github.com/autoconf-archive/autoconf-archive).

Downloads
---------

Here are the compressed sources:

-   <http://ftpmirror.gnu.org/autoconf-archive/autoconf-archive-2022.09.03.tar.xz>

Here are the GPG detached signatures:

-   <http://ftpmirror.gnu.org/autoconf-archive/autoconf-archive-2022.09.03.tar.xz.sig>

You can use either of the above signature files to verify that the
corresponding file (without the .sig suffix) is intact. First, be sure
to download both the .sig file and the corresponding tarball. Then, run
a command like this:

    gpg --verify autoconf-archive-2022.09.03.tar.xz.sig

If that command fails because you don't have the required public key,
then run this command to import it:

    gpg --keyserver keys.gnupg.net --recv-keys 99089D72

and rerun the `gpg --verify` command.

License
-------

Copyright (c) 2022 Autoconf Archive Maintainers \<<autoconf-archive-maintainers@gnu.org>\>

The GNU Autoconf Archive is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as published
by the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.

The GNU Autoconf Archive is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
Public License for more details.

You should have received a copy of the GNU General Public License along
with the GNU Autoconf Archive. If not, see <https://www.gnu.org/licenses/>.