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Can QT be found for free?

 

 

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alexd at synergycsi

Jan 16, 2003, 11:51 AM

Post #1 of 7 (3006 views)
Permalink
Can QT be found for free?

I am in the early stages of determining whether I want to build a MythTV PVR
(it sounds and looks perfect and having personally used Dish Network's PVR I
am eager to get one again) but looking at the hardware and software
requirements, the only problem I see is that QT seems to be not only not
freeware, but rather expensive
(http://www.trolltech.com/purchase/qtpricing.html). Am I wrong? If not,
which version would I need to get and install:
1. Professional - $1,550
2. Enterprise - $2,330
3. A different version?

I'm hoping there's an opensource version or something like that.

Alex


myth at highwayman

Jan 16, 2003, 12:20 PM

Post #2 of 7 (2877 views)
Permalink
Re: Can QT be found for free? [In reply to]

QT is available under a free non-commercial license. It can be found in any
major Linux distribution, or at KDE, or at trolltech here:
ftp://ftp.trolltech.com/pub/qt/source. Anything called qt-x11-free-3.0/3.1.x
is the source code for the QT libraries. It's easiest to use your distro's
FTP site, since they have already packaged binaries for you (QT takes
forever to compile even on a fast machine). KDE also has binaries for QT on
their site (www.kde.org).

For a distribution, use Debian at www.debian.org, or for an uber-optimised
system, use Gentoo at www.gentoo.org. For others, visit www.distrowatch.com.
They all have QT included. It is best to choose a distribution that has GCC
3.x as a compiler, because libavcodec uses its newer optimisation features.
I personally use Gentoo, and stage-3 shouldn't take long to install (I
started from stage-1, ouch).


Regards,
Jesse
----- Original Message -----
From: "Alex Davidson" <alexd [at] synergycsi>
To: "MythTV Mailing List" <mythtv-dev [at] snowman>
Sent: Thursday, January 16, 2003 12:51
Subject: [mythtv] Can QT be found for free?


> I am in the early stages of determining whether I want to build a MythTV
PVR
> (it sounds and looks perfect and having personally used Dish Network's PVR
I
> am eager to get one again) but looking at the hardware and software
> requirements, the only problem I see is that QT seems to be not only not
> freeware, but rather expensive
> (http://www.trolltech.com/purchase/qtpricing.html). Am I wrong? If not,
> which version would I need to get and install:
> 1. Professional - $1,550
> 2. Enterprise - $2,330
> 3. A different version?
>
> I'm hoping there's an opensource version or something like that.
>
> Alex
>
> _______________________________________________
> mythtv-dev mailing list
> mythtv-dev [at] snowman
> http://www.snowman.net/mailman/listinfo/mythtv-dev
>


poptix at techmonkeys

Jan 16, 2003, 12:21 PM

Post #3 of 7 (2884 views)
Permalink
Re: Can QT be found for free? [In reply to]

On Thu, Jan 16, 2003 at 11:51:53AM -0700, Alex Davidson wrote:
> I am in the early stages of determining whether I want to build a MythTV PVR
> (it sounds and looks perfect and having personally used Dish Network's PVR I
> am eager to get one again) but looking at the hardware and software
> requirements, the only problem I see is that QT seems to be not only not
> freeware, but rather expensive
> (http://www.trolltech.com/purchase/qtpricing.html). Am I wrong? If not,
> which version would I need to get and install:
> 1. Professional - $1,550
> 2. Enterprise - $2,330
> 3. A different version?
>
> I'm hoping there's an opensource version or something like that.
>
> Alex

From the FAQ:

----------------------------------------------------------------------------

What kind of licenses exist for Qt?

The Qt toolkit is available under two different licenses: The Professional
and Enterprise Editions for commercial use on all platforms, and the Free
Edition for developing free/open source software for the X11 platform.

----------------------------------------------------------------------------

What are the differences between the Professional/Enterprise Editions and
Free Edition of Qt?

You may write commercial/proprietary/non-free software only if you
have purchased the Professional or Enterprise Edition. The library
itself is the same. With the commercial editions, you also get
technical support and upgrades. A non-commercial edition of Qt for
Microsoft Windows is available. Qt for Mac OS X is only available as
Professional and Enterprise Editions.

----------------------------------------------------------------------------

Can we use the Free Edition while developing our non-free application and
then purchase commercial licenses when we start to sell it?

No. The Free Edition license applies to the development phase - anything
developed without Professional or Enterprise Edition licenses must be
released as free/open source software.


HTH.

--
Matthew S. Hallacy FUBAR, LART, BOFH Certified
http://www.poptix.net GPG public key 0x01938203


bmayland at leoninedev

Jan 16, 2003, 12:25 PM

Post #4 of 7 (2895 views)
Permalink
Re: Can QT be found for free? [In reply to]

Actually, from the download for QT-free (which is fully functional):
The Qt Free Edition is provided under both the http://www.trolltech.com/developer/licensing/index.html"]Q Public License ("QPL") and the GPL. This specifies that you may freely use the Qt Free Edition for:
  • Running software developed by others (e.g. KDE)
  • Development of open source/non-proprietary software


Alex Davidson wrote:
requirements, the only problem I see is that QT seems to be not only not freeware, but rather expensive (http://www.trolltech.com/purchase/qtpricing.html"]http://www.trolltech.com/purchase/qtpricing.html). Am I wrong? If not, which version would I need to get and install: 1. Professional - $1,550 2. Enterprise - $2,330 3. A different version? I'm hoping there's an opensource version or something like that.


poptix at techmonkeys

Jan 16, 2003, 12:43 PM

Post #5 of 7 (2859 views)
Permalink
Re: Can QT be found for free? [In reply to]

Hi!

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What?! Your email client doesn't support binary text? What is this world
coming to?


*hint*

Don't post in HTML to mailing lists.

--
Matthew S. Hallacy FUBAR, LART, BOFH Certified
http://www.poptix.net GPG public key 0x01938203


myth at highwayman

Jan 16, 2003, 12:54 PM

Post #6 of 7 (2864 views)
Permalink
Re: Can QT be found for free? [In reply to]

What the....
My defaults are all plain text. HTML + email=bad.
It must be this faulty mail client. I should use the real computer and mutt
again. :) Will do that now.

----- Original Message -----
From: "Matthew S. Hallacy" <poptix [at] techmonkeys>
To: "Development of mythtv" <mythtv-dev [at] snowman>
Sent: Thursday, January 16, 2003 13:43
Subject: Re: [mythtv] Can QT be found for free?


> Hi!
>
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>
>
> What?! Your email client doesn't support binary text? What is this world
> coming to?
>
>
> *hint*
>
> Don't post in HTML to mailing lists.
>
> --
> Matthew S. Hallacy FUBAR, LART, BOFH Certified
> http://www.poptix.net GPG public key 0x01938203
> _______________________________________________
> mythtv-dev mailing list
> mythtv-dev [at] snowman
> http://www.snowman.net/mailman/listinfo/mythtv-dev
>


mdz at debian

Jan 18, 2003, 5:46 PM

Post #7 of 7 (2883 views)
Permalink
Re: Can QT be found for free? [In reply to]

On Thu, Jan 16, 2003 at 01:20:34PM -0600, Jesse Crews wrote:

> It is best to choose a distribution that has GCC 3.x as a compiler,
> because libavcodec uses its newer optimisation features.

Can you be more specific about this? The most performance-relevant parts of
libavcodec have x86/MMX assembly routines.

--
- mdz

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