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The following macros manage version numbers for configure scripts. Using them is optional.

Macro: AC_COPYRIGHT (copyright-notice)

State that, in addition to the Free Software Foundation’s copyright on the Autoconf macros, parts of your configure are covered by the copyright-notice.

The copyright-notice shows up in both the head of configure and in ‘configure --version’.

Macro: AC_REVISION (revision-info)

Copy revision stamp revision-info into the configure script, with any dollar signs or double-quotes removed. This macro lets you put a revision stamp from into configure without RCS or CVS changing it when you check in configure. That way, you can determine easily which revision of a particular configure corresponds to.

For example, this line in

AC_REVISION([$Revision: 1.30 $])

produces this in configure:

# From Revision: 1.30