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AUTOHEADER

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

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

 

Index

NAME
SYNOPSIS
DESCRIPTION
Warning categories are:
-W also understands:
Library directories:
AUTHOR
REPORTING BUGS
COPYRIGHT
SEE ALSO