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module::install::can

Module::Install::Can(3pm)				User Contributed Perl Documentation				 Module::Install::Can(3pm)

NAME

       Module::Install::Can - Utility functions for capability detection

DESCRIPTION

       "Module::Install::Can" contains a number of functions for authors to use when creating customised smarter installers. The functions
       simplify standard tests so that you can express your dependencies and conditions much more simply, and make your installer much easier to
       maintain.

COMMANDS

   can_use
	 can_use('Module::Name');
	 can_use('Module::Name', 1.23);

       The "can_use" function tests the ability to load a specific named module. Currently it will also actually load the module in the process,
       although this may change in the future.

       Takes an optional second param of a version number. The currently installed version of the module will be tested to make sure it is equal
       to or greater than the specified version.

       Returns true if the module can be loaded, or false (in both scalar or list context) if not.

   can_run
	 can_run('cvs');

       The "can_run" function tests the ability to run a named command or program on the local system.

       Returns true if so, or false (both in scalar and list context) if not.

   can_cc
	 can_cc();

       The "can_cc" function tests the ability to locate a functioning C compiler on the local system. Returns true if the C compiler can be
       found, or false (both in scalar and list context) if not.

   can_xs
	 can_xs();

       The "can_xs" function tests for a functioning C compiler and the correct headers to build XS modules against the current instance of Perl.

TO DO

       Currently, the use of a "can_foo" command in a single problem domain (for example "can_use") results in the inclusion of additional
       functionality from different problem domains (for example "can_run").

       This module should ultimately be broken up, and the individual functions redestributed to different domain-specific extensions.

AUTHORS

       Audrey Tang <autrijus@autrijus.org>

       Adam Kennedy <adamk@cpan.org>

SEE ALSO

       Module::Install, Class::Inspector

COPYRIGHT

       Copyright 2006 - 2012 Audrey Tang, Adam Kennedy.

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

       See <http://www.perl.com/perl/misc/Artistic.html>

perl v5.14.2							    2012-03-01						 Module::Install::Can(3pm)