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Alien::Build::Plugin(3)                    User Contributed Perl Documentation



NAME

       Alien::Build::Plugin - Plugin base class for Alien::Build


VERSION

       version 2.80


SYNOPSIS

       Create your plugin:

        package Alien::Build::Plugin::Type::MyPlugin;

        use Alien::Build::Plugin;
        use Carp ();

        has prop1 => 'default value';
        has prop2 => sub { 'default value' };
        has prop3 => sub { Carp::croak 'prop3 is a required property' };

        sub init
        {
          my($self, $meta) = @_;

          my $prop1 = $self->prop1;
          my $prop2 = $self->prop2;
          my $prop3 = $self->prop3;

          $meta->register_hook(sub {
            build => [ '%{make}', '%{make} install' ],
          });
        }

       From your alienfile

        use alienfile;
        plugin 'Type::MyPlugin' => (
          prop2 => 'different value',
          prop3 => 'need to provide since it is required',
        );


DESCRIPTION

       This document describes the Alien::Build plugin base class.  For
       details on how to write a plugin, see
       Alien::Build::Manual::PluginAuthor.

       Listed are some common types of plugins:

       Alien::Build::Plugin::Build
           Tools for building.

       Alien::Build::Plugin::Core
           Tools already included.

       Alien::Build::Plugin::Decode
           Normally use Download plugins which will pick the correct Decode
           plugins.

       Alien::Build::Plugin::Digest
           Tools for checking cryptographic signatures during a "share"
           install.

       Alien::Build::Plugin::Download
           Methods for retrieving from the internet.

       Alien::Build::Plugin::Extract
           Extract from archives that have been downloaded.

       Alien::Build::Plugin::Fetch
           Normally use Download plugins which will pick the correct Fetch
           plugins.

       Alien::Build::Plugin::Gather
           Plugins that modify or enhance the gather step.

       Alien::Build::Plugin::PkgConfig
           Plugins that work with "pkg-config" or libraries that provide the
           same functionality.

       Alien::Build::Plugin::Prefer
           Normally use Download plugins which will pick the correct Prefer
           plugins.

       Alien::Build::Plugin::Probe
           Look for packages already installed on the system.

       Alien::Build::Plugin::Probe
           Plugins useful for unit testing Alien::Build itself, or plugins for
           it.


CONSTRUCTOR

   new
        my $plugin = Alien::Build::Plugin->new(%props);

   PROPERTIES
   instance_id
        my $id = $plugin->instance_id;

       Returns an instance id for the plugin.  This is computed from the class
       and arguments that are passed into the plugin constructor, so
       technically two instances with the exact same arguments will have the
       same instance id, but in practice you should never have two instances
       with the exact same arguments.


METHODS

   init
        $plugin->init($ab_class->meta); # $ab is an Alien::Build class name

       You provide the implementation for this.  The intent is to register
       hooks and set meta properties on the Alien::Build class.

   has
        has $prop_name;
        has $prop_name => $default;

       Specifies a property of the plugin.  You may provide a default value as
       either a string scalar, or a code reference.  The code reference will
       be called to compute the default value, and if you want the default to
       be a list or hash reference, this is how you want to do it:

        has foo => sub { [1,2,3] };

   meta
        my $meta = $plugin->meta;

       Returns the plugin meta object.


SEE ALSO

       Alien::Build(3), alienfile(3), Alien::Build::Manual::PluginAuthor(3)


AUTHOR

       Author: Graham Ollis <plicease@cpan.org>

       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 Fandino (salva)

       Gianni Ceccarelli (dakkar)

       Pavel Shaydo (zwon, trinitum)

       Kang-min Liu (<?><?><?>, gugod)

       Nicholas Shipp (nshp)

       Juan Julian Merelo Guervos (JJ)

       Joel Berger (JBERGER)

       Petr Pisar (ppisar)

       Lance Wicks (LANCEW)

       Ahmad Fatoum (a3f, ATHREEF)

       Jose Joaquin Atria (JJATRIA)

       Duke Leto (LETO)

       Shoichi Kaji (SKAJI)

       Shawn Laffan (SLAFFAN)

       Paul Evans (leonerd, PEVANS)

       Hakon Haegland (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.

perl v5.34.1                      2023-05-11           Alien::Build::Plugin(3)

alien-build 2.800.0 - Generated Tue Apr 9 13:44:47 CDT 2024
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