AUTOHEADER

Section: User Commands (1)
Updated: March 2026
Index Return to Main Contents

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NAME

autoheader - Create a template header for configure  

SYNOPSIS

autoheader [,OPTION/]... [,TEMPLAT-FILE/]  

DESCRIPTION

Create a template file of C '#define' statements for 'configure' to use. To this end, scan TEMPLATE-FILE, or 'configure.ac' if present, or else 'configure.in'.

-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

-R, --replace-handwritten

overwrite an existing template file that appears not to have been generated by autoheader

-W, --warnings=,CATEGORY/

report the warnings falling in CATEGORY (comma-separated list accepted)

 

Warning categories are:

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

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)

 

-W also understands:

all

turn on all the warnings

none

turn off all the warnings

no-CATEGORY

turn off warnings in CATEGORY

error

treat all enabled warnings as errors

 

Library directories:

-B, --prepend-include=,DIR/

prepend directory DIR to search path

-I, --include=,DIR/

append directory DIR to search path

 

AUTHOR

Written by Roland McGrath and Akim Demaille.  

REPORTING BUGS

Report bugs to or via Savannah:  

COPYRIGHT

Copyright © 2026 Free Software Foundation, Inc. License GPLv3+/Autoconf: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>, <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. To read the manual locally, use the command

info autoconf

You can also consult the Web version of the manual at

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Index

NAME

SYNOPSIS

DESCRIPTION

Warning categories are:

-W also understands:

Library directories:

AUTHOR

REPORTING BUGS

COPYRIGHT

SEE ALSO