1 Auoconf

To create `configure' from `configure.ac', run the `autoconf' program
with no arguments.  `autoconf' processes `configure.ac' with the M4
macro processor, using the Autoconf macros.  If you give `autoconf' an
argument, it reads that file instead of `configure.ac' and writes the
configuration script to the standard output instead of to `configure'.
If you give `autoconf' the argument `-', it reads from the standard
input instead of `configure.ac' and writes the configuration script to
the standard output.

   The Autoconf macros are defined in several files.  Some of the files
are distributed with Autoconf; `autoconf' reads them first.  Then it
looks for the optional file `acsite.m4' in the directory that contains
the distributed Autoconf macro files, and for the optional file
`aclocal.m4' in the current directory.  Those files can contain your
site's or the package's own Autoconf macro definitions (*note Writing
Autoconf Macros::, for more information).  If a macro is defined in
more than one of the files that `autoconf' reads, the last definition
it reads overrides the earlier ones.

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how-to

$ autoreconf --install

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2016-02-15

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1 Auoconf