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Re: including modules during runtime and dealing with OS specific (constants) code block

by cdarke (Prior)
on Aug 02, 2011 at 07:34 UTC ( [id://917990]=note: print w/replies, xml ) Need Help??


in reply to including modules during runtime and dealing with OS specific (constants) code block

The Win32 issues discussed above not withstanding, a better way of conditonally including modules is to use the if pragma. Here is a working fragment, you should be able to modify it for the APIs you need, and for Mac:
use if ($^O eq 'MSWin32'), 'Win32::Process';

use if ($^O ne 'MSWin32'), 'POSIX';
use if ($^O ne 'MSWin32'), 'POSIX' => ':sys_wait_h';

# Hack to allow compilation under UNIX 
# (NORMAL_PRIORITY_CLASS is Win32 only)
use if ($^O ne 'MSWin32'), 
      'constant' => 'NORMAL_PRIORITY_CLASS';

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