Autoconf is an extensible package of m4 macros that produce shell
scripts to automatically configure software source code packages.
These scripts can adapt the packages to many kinds of UNIX-like
systems without manual user intervention. Autoconf creates a
configuration script for a package from a template file that lists the
operating system features that the package can use, in the form of m4
macro calls.
The FSF would make you believe that only gnu-m4 can handle autoconf.
This is no longer true. This package does not depend on gnu-m4.
This is autoconf${SUFFIX}.
The actual autoconf drivers for selecting autoconf version are in
the metaauto package.
WWW: https://www.gnu.org/software/autoconf/
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