[devel] [jbj@redhat.com: Re: [RFE] %ifdef ?]

["Dmitry V. Levin" <ldv@alt-linux.org>]

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Для тренировки ума:

----- Forwarded message from Jeff Johnson <jbj@redhat.com> -----

Date: Fri, 22 Feb 2002 12:55:01 -0500
From: Jeff Johnson <jbj@redhat.com>
To: rpm-list@redhat.com
Subject: Re: [RFE] %ifdef ?

On Fri, Feb 22, 2002 at 12:48:19PM -0500, Serguei Ostrovskii wrote:
> Hello,
> I think it would be useful to have %ifdef operator.
> I sure can get away with things like
> %if %{?blah:1}%{!?blah:0}
> ... but that's not really pretty.
> 
> Comments ?

Try
	%ifdef() %if %{expand:%%{?%{1}:1}%%{!?%{1}:0}}

If that "works", I might add to /usr/lib/rpm/macros, if desired.

73 de Jeff

-- 
Jeff Johnson	ARS N3NPQ
jbj@redhat.com (jbj@jbj.org)
Chapel Hill, NC

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Regards,
	Dmitry

+-------------------------------------------------------------------------+
Dmitry V. Levin     mailto://ldv@alt-linux.org
ALT Linux Team      http://www.altlinux.com/
Fandra Project      http://www.fandra.org/
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UNIX is user friendly. It's just very selective about who its friends are.

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