Build of open-source Qt

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Build of open-source Qt

Kip Streithorst
Administrator
I was going to create a build of the open-source Qt today using Visual Studio 2005 Express.  This will allow others in the Opticks community to download a pre-built Qt provided they were writing GPL plug-ins (see http://trolltech.com/developer/downloads/qt/windows). My question is that Opticks is currently built against Qt 4.3.1, but in order to build Qt with Visual Studio I need to use Qt 4.3.2 or later because that's the only version of GPL Qt that includes the necessary files to build against Visual Studio.  My question is should I just use Qt 4.3.2 or should I use the latest version of Qt 4.3, ie. 4.3.4 and test that for binary compatibility?  Any opinons?  

Thanks,
Kip





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RE: Build of open-source Qt

Johnson, Todd
It seems that you would need to check for binary compatibility with
4.3.2 anyway, so I would say go with 4.3.4. I've always wanted to verify
Trolltech's compatibility claims. If they are true, we could do
third-place Qt upgrades without breaking our own third-place binary
compatibility claims.

-Todd

-----Original Message-----
From: Kip Streithorst [mailto:[hidden email]]
Sent: Tuesday, April 08, 2008 11:45 AM
To: [hidden email]
Subject: Build of open-source Qt

I was going to create a build of the open-source Qt today using Visual
Studio 2005 Express.  This will allow others in the Opticks community to
download a pre-built Qt provided they were writing GPL plug-ins (see
http://trolltech.com/developer/downloads/qt/windows). My question is
that Opticks is currently built against Qt 4.3.1, but in order to build
Qt with Visual Studio I need to use Qt 4.3.2 or later because that's the
only version of GPL Qt that includes the necessary files to build
against Visual Studio.  My question is should I just use Qt 4.3.2 or
should I use the latest version of Qt 4.3, ie. 4.3.4 and test that for
binary compatibility?  Any opinons?  

Thanks,
Kip





 
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RE: Build of open-source Qt

tclarke
Administrator
In reply to this post by Kip Streithorst
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I'd be ok if you tested 4.3.4 for binary compatibility.

- -----Original Message-----
From: Kip Streithorst [mailto:[hidden email]]
Sent: Tuesday, April 08, 2008 11:45 AM
To: [hidden email]
Subject: Build of open-source Qt

I was going to create a build of the open-source Qt today using Visual
Studio 2005 Express.  This will allow others in the Opticks community to
download a pre-built Qt provided they were writing GPL plug-ins (see
http://trolltech.com/developer/downloads/qt/windows). My question is
that Opticks is currently built against Qt 4.3.1, but in order to build
Qt with Visual Studio I need to use Qt 4.3.2 or later because that's the
only version of GPL Qt that includes the necessary files to build
against Visual Studio.  My question is should I just use Qt 4.3.2 or
should I use the latest version of Qt 4.3, ie. 4.3.4 and test that for
binary compatibility?  Any opinons?  

Thanks,
Kip





 
________________________________________________________________________
____________
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Total Access, No Cost.  
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RE: RE: Build of open-source Qt

Kip Streithorst
Administrator
I have a build of the open-source Qt 4.3.4 now available on the site in
the Documents & Files section.  This has been built for all supported
Opticks platforms.  Keep in mind that you can only download and compile
code against this build of Qt if you abide by the Trolltech licensing
terms:

http://trolltech.com/downloads/opensource

which means any code you develop using this Qt build must be licensed
under the GPL.  If you are going to download this Qt build to compile
Opticks itself and provide patches, you will be fine.  This is permitted
because Opticks is licensed under the LGPL which allows any user to
optionally use it under the GPL license and any patches you provide back
to us will be under the LGPL/GPL.  If you want to develop plug-ins for
Opticks using this build, you must license your plug-ins under the GPL
or you must purchase a commercial license of Qt from Trolltech and
perform the compilations yourself.

I do plan on putting up some more detailed Qt build instructions over
the next couple weeks.

I have tested on Windows so far and verified that Qt 4.3.4 is backward
and forward compatible with Qt 4.3.1 so the binary compatible promises
of Opticks 4.1.1 will still be met.

And finally, here is the direct link to the build:

https://opticks.ballforge.net/files/documents/8/112/Qt-4.3.4-opensource.
zip

Thanks,
Kip

-----Original Message-----
From: Clarke, Trevor [mailto:[hidden email]]
Sent: Tuesday, April 08, 2008 2:22 PM
To: [hidden email]
Subject: RE: Build of open-source Qt

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

I'd be ok if you tested 4.3.4 for binary compatibility.

- -----Original Message-----
From: Kip Streithorst [mailto:[hidden email]]
Sent: Tuesday, April 08, 2008 11:45 AM
To: [hidden email]
Subject: Build of open-source Qt

I was going to create a build of the open-source Qt today using Visual
Studio 2005 Express.  This will allow others in the Opticks community to
download a pre-built Qt provided they were writing GPL plug-ins (see
http://trolltech.com/developer/downloads/qt/windows). My question is
that Opticks is currently built against Qt 4.3.1, but in order to build
Qt with Visual Studio I need to use Qt 4.3.2 or later because that's the
only version of GPL Qt that includes the necessary files to build
against Visual Studio.  My question is should I just use Qt 4.3.2 or
should I use the latest version of Qt 4.3, ie. 4.3.4 and test that for
binary compatibility?  Any opinons?  

Thanks,
Kip





 
________________________________________________________________________
____________
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Total Access, No Cost.  
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