config.guess(1)



CONFIG.GUESS(1)                  User Commands                 CONFIG.GUESS(1)

NAME
       config.guess - guess the build system triplet

SYNOPSIS
       config.guess [OPTION]

DESCRIPTION
       The GNU build system distinguishes three types of machines, the `build'
       machine on which the compilers are run, the `host' machine on which the
       package  being  built  will run, and, exclusively when you build a com-
       piler, assembler etc., the `target' machine,  for  which  the  compiler
       being built will produce code.

       This script will guess the type of the `build' machine.

       Output the configuration name of the system `config.guess' is run on.

   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

ENVIRONMENT VARIABLES
       config.guess  might  need  to  compile and run C code, hence it needs a
       compiler  for  the  `build'  machine:  use  the  environment   variable
       `CC_FOR_BUILD'  to  specify  the  compiler  for  the build machine.  If
       `CC_FOR_BUILD' is not specified, `CC' will be used.  Be sure to specify
       `CC_FOR_BUILD' is `CC' is a cross-compiler to the `host' machine.

         CC_FOR_BUILD    a native C compiler, defaults to `cc'
         CC               a  native  C compiler, the previous variable is pre-
       ferred

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

       Originally written by Per Bothner.
       Copyright 1992-2016 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), automake(1), autoreconf(1), autoupdate(1),  autoheader(1),
       autoscan(1), config.guess(1), config.sub(1), ifnames(1), libtool(1).

GNU Autoconf 2.69                 August 2017                  CONFIG.GUESS(1)

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