Autoconf is an extensible package of m4 macros that produce shell
scripts to automatically configure software source code packages.
These scripts allegedly 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.
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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