[Qt-creator] Linux SDK containing Qt Creator doesn'tbuild projects out of the box

[David Ching]

Thanks Andre!  Much appreciated.

-- David

"Andre Poenitz" <andre.poenitz at mathematik.tu-chemnitz.de> wrote in message 
news:20091114173314.GB3177 at tu-chemnitz.de...
> On Fri, Nov 13, 2009 at 12:52:28PM -0800, David Ching wrote:
>> Hello,
>
> Hello David.
>
>> I am a Windows developer just getting started with Linux.  This link 
>> tells
>> of multiple packages which must be installed on Ubuntu before Qt Creator
>> will successfully link:
>> http://blog.dixo.net/2009/03/14/using-qt-creator-with-ubuntu-810
>>
>> As a Windows developer, I expect the Qt SDK to include everything needed,
>> and it does on Windows, but apparently not on Linux?  Why is that?
>
> Because it's a sensible thing to do. Linux distributions come with a
> proper package management system where packages just state their
> external dependencies and are done. There is no need for applications
> to ship all their dependencies themselves.
>
> The real "problem" with the Qt SDK package is that what you download
> from the Nokia website is not integrated into your distribution's
> packaging system, so you have to intall the dependencies "manually".
> One line to copy & paste - big deal...
>
> If you do not want to do that you will have to wait until your
> distribution provides packages itself and use these.
>
>> Because not only do I have this problem with Qt Creator, but also my
>> own Qt app might have the same distribution issues.  Do I have to
>> redist all of these system libraries?
>
> No, it's not Windows. You do not redistribute system libraries. They
> are installed already and do not have to be duplicated.
>
>> How do app developers support multiple Linux distros anyway (e.g. how
>> does the app run on both Ubuntu and Red Hat?). Any pointers to
>> deployment tutorials of Linux software would be greatly appreciated.
>
> You either wait for the distributions to pick up your package, or
> provide packages "native" to your distribution (i.e. .deb for Ubuntu,
> .rpm for RedHat) yourself, or provide instructions how to install your
> package manually.
>
> For Qt Creator the latter method was chosen (instructions being "install
> the packages x, y, and z, and run the QtSDK installer"), but judging
> from http://packages.ubuntu.com/de/karmic/qt-sdk distributions are
> already starting to provide packages themselves. That usually takes an
> iteration or two to iron out teething problems, but after a while you
> typically only provide source tar balls and the packages appear without
> your interaction by pure magic ;-)
>
> Andre'