autoconf - Generate configuration scripts


autoconf [OPTION]... [TEMPLATE-FILE]


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

Operation modes:
, --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 [syntax]

Warning categories include:

cross compilation issues


obsolete constructs


dubious syntactic constructs


all the warnings


turn off the warnings on CATEGORY


turn off all the warnings


warnings are error

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

Library directories:
, --prepend-include=DIR

prepend directory DIR to search path

-I, --include=DIR

append directory DIR to search path

, --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.


Written by David J. MacKenzie and Akim Demaille.


Report bugs to <bug-autoconf [AT]>.
GNU Autoconf home page: <>;.
General help using GNU software: <>;.


Copyright © 2012 Free Software Foundation, Inc. License GPLv3+/Autoconf: GNU GPL version 3 or later <>;, <>;
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.


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.