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Date: Mon, 13 May 2013 17:29:55 +0200
From: Dimitry Andric <dim@FreeBSD.org>
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To: Robert Huff <roberthuff@rcn.com>, RW <rwmaillists@googlemail.com>
Subject: Re: qt3 -> qt4 question
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On 2013-05-13 16:43, Robert Huff wrote:
...
> ===>  qt4-corelib-4.8.4_2 conflicts with installed package(s):
>        qt-copy-3.3.8_14
>
>        They will not build together.
>        Please remove them first with pkg delete.

Yes, this is unfortunately the case.  Qt3 headers break the Qt4 build,
so Qt3 must be removed from the system before you can build Qt4.

Note, after Qt4 has been installed, you can reinstall Qt3, but there is
still a risk that any Qt4-dependent port might pick up the Qt3 headers
by accident.

-Dimitry