---
name: "config.sub2.64"
section: "1"
platform: "linux"
package: "autoconf2.64"
version: "2.64+dfsg-1.1"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/config.sub2.64"
---

# config.sub2.64(1)

validate and canonicalize a configuration triplet

## NAME

config.sub - validate and canonicalize a configuration triplet

## SYNOPSIS

**config.sub** \[*OPTION*\] *CPU-MFR-OPSYS*

## DESCRIPTION

-

  ../build-aux/config.sub \[OPTION\] ALIAS

Canonicalize a configuration name.

### Operation modes:

- **-h**, **--help**

  print this help, then exit

- **-t**, **--time-stamp**

  print date of last modification, then exit

- **-v**, **--version**

  print version number, then exit

## REPORTING BUGS

Report bugs and patches to \<config-patches@gnu.org\>.

## COPYRIGHT

Copyright © 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.

This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

## SEE ALSO

[**autoconf**(1)](/autoconf/1.md), [**automake**(1)](/automake/1.md), [**autoreconf**(1)](/autoreconf/1.md), [**autoupdate**(1)](/autoupdate/1.md), [**autoheader**(1)](/autoheader/1.md), [**autoscan**(1)](/autoscan/1.md), [**config.guess**(1)](/config.guess/1.md), [**config.sub**(1)](/config.sub/1.md), [**ifnames**(1)](/ifnames/1.md), [**libtool**(1)](/libtool/1.md).