Alien::Util - Alien Utilities used at build and runtime

NAME  VERSION  SYNOPSIS  DESCRIPTION  version_cmp  SEE ALSO  AUTHOR  COPYRIGHT AND LICENSE 

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NAME

Alien::Util − Alien Utilities used at build and runtime

VERSION

version 2.80

SYNOPSIS

use Alien::Util qw( version_cmp );

DESCRIPTION

This module contains some functions used by both the Alien::Build build-time and <Alien::Base> run-time for Alien.

version_cmp

$cmp = version_cmp($x, $y)

Comparison method used by "atleast_version" in Alien::Base, "exact_version" in Alien::Base and "max_version" in Alien::Base. May be useful to implement custom comparisons, or for subclasses to overload to get different version comparison semantics than the default rules, for packages that have some other rules than the pkg-config behaviour.

Should return a number less than, equal to, or greater than zero; similar in behaviour to the "<=>" and "cmp" operators.

SEE ALSO

Alien::Base, alienfile, Alien::Build

AUTHOR

Author: Graham Ollis <[email protected]>

Contributors:

Diab Jerius (DJERIUS)

Roy Storey (KIWIROY)

Ilya Pavlov

David Mertens (run4flat)

Mark Nunberg (mordy, mnunberg)

Christian Walde (Mithaldu)

Brian Wightman (MidLifeXis)

Zaki Mughal (zmughal)

mohawk (mohawk2, ETJ)

Vikas N Kumar (vikasnkumar)

Flavio Poletti (polettix)

Salvador Fandiño (salva)

Gianni Ceccarelli (dakkar)

Pavel Shaydo (zwon, trinitum)

Kang-min Liu (å康æ°, gugod)

Nicholas Shipp (nshp)

Juan Julián Merelo Guervós (JJ)

Joel Berger (JBERGER)

Petr PÃsaÅ (ppisar)

Lance Wicks (LANCEW)

Ahmad Fatoum (a3f, ATHREEF)

José JoaquÃn Atria (JJATRIA)

Duke Leto (LETO)

Shoichi Kaji (SKAJI)

Shawn Laffan (SLAFFAN)

Paul Evans (leonerd, PEVANS)

Håkon Hægland (hakonhagland, HAKONH)

nick nauwelaerts (INPHOBIA)

Florian Weimer

COPYRIGHT AND LICENSE

This software is copyright (c) 2011−2022 by Graham Ollis.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

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