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This is a string of the form cpu-manufacturer-operating_system. In some cases, this is extended to a four part form: cpu-manufacturer-kernel-operating_system.
When using a configuration name in a configure option, it is normally not necessary to specify an entire name. In particular, the manufacturer field is often omitted, leading to strings such as `i386-linux' or `sparc-sunos'. The shell script `config.sub' will translate these shortened strings into the canonical form. autoconf will arrange for `config.sub' to be run automatically when it is needed.
The fields of a configuration name are as follows:
The shell script `config.guess' will normally print the correct configuration name for the system on which it is run. It does by running `uname' and by examining other characteristics of the system.
Because `config.guess' can normally determine the configuration name for a machine, it is normally only necessary to specify a configuration name when building a cross-compiler or when building using a cross-compiler.
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