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 AUTOCONF(1)                  GNU Autoconf 2.71                  AUTOCONF(1)
 User Commands                                                 User Commands

                                January 2021



 NAME
      autoconf - Generate configuration scripts

 SYNOPSIS
      autoconf [,OPTION/]... [,TEMPLATE-FILE/]

 DESCRIPTION
      Generate a configuration script from a TEMPLATE-FILE if given, or
      'configure.ac' if present, or else 'configure.in'.  Output is sent to
      the standard output if TEMPLATE-FILE is given, else into 'configure'.

    Operation modes:
      -h, --help
           print this help, then exit

      -V, --version
           print version number, then exit

      -v, --verbose
           verbosely report processing

      -d, --debug
           don't remove temporary files

      -f, --force
           consider all files obsolete

      -o, --output=,FILE/
           save output in FILE (stdout is the default)

      -W, --warnings=,CATEGORY/
           report the warnings falling in CATEGORY

    Warning categories include:
      cross
           cross compilation issues

      gnu  GNU coding standards (default in gnu and gnits modes)

      obsolete
           obsolete features or constructions (default)

      override
           user redefinitions of Automake rules or variables

      portability
           portability issues (default in gnu and gnits modes)

      portability-recursive



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 AUTOCONF(1)                  GNU Autoconf 2.71                  AUTOCONF(1)
 User Commands                                                 User Commands

                                January 2021



           nested Make variables (default with -Wportability)

      extra-portability
           extra portability issues related to obscure tools

      syntax
           dubious syntactic constructs (default)

      unsupported
           unsupported or incomplete features (default)

      all  all the warnings

      no-CATEGORY
           turn off warnings in CATEGORY

      none turn off all the warnings

      The environment variables 'M4' and 'WARNINGS' are honored.

    Library directories:
      -B, --prepend-include=,DIR/
           prepend directory DIR to search path

      -I, --include=,DIR/
           append directory DIR to search path

    Tracing:
      -t, --trace=,MACRO[/:FORMAT]
           report the list of calls to MACRO

      -i, --initialization
           also trace Autoconf's initialization process

      In tracing mode, no configuration script is created.  FORMAT defaults
      to '$f:$l:$n:$%'; see 'autom4te --help' for information about FORMAT.

 AUTHOR
      Written by David J. MacKenzie and Akim Demaille.

 REPORTING BUGS
      Report bugs to <bug-autoconf@gnu.org>.
      GNU Autoconf home page: <https://www.gnu.org/software/autoconf/>.
      General help using GNU software: <https://www.gnu.org/gethelp/>.

 COPYRIGHT
      Copyright c 2021 Free Software Foundation, Inc.  License
      GPLv3+/Autoconf: GNU GPL version 3 or later
      <https://gnu.org/licenses/gpl.html>,



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 AUTOCONF(1)                  GNU Autoconf 2.71                  AUTOCONF(1)
 User Commands                                                 User Commands

                                January 2021



      <https://gnu.org/licenses/exceptions.html>
      This is free software: you are free to change and redistribute it.
      There is NO WARRANTY, to the extent permitted by law.

 SEE ALSO
      autoconf(1), automake(1), autoreconf(1), autoupdate(1), autoheader(1),
      autoscan(1), config.guess(1), config.sub(1), ifnames(1), libtool(1).

      The full documentation for autoconf is maintained as a Texinfo manual.
      If the info and autoconf programs are properly installed at your site,
      the command

           info autoconf

      should give you access to the complete manual.





































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