[Web] Suggestion to include info about dependencies on Qt download page

[Koehne Kai]

> -----Original Message-----
> From: web-bounces+kai.koehne=digia.com at qt-project.org [mailto:web-
> bounces+kai.koehne=digia.com at qt-project.org] On Behalf Of Tomasz
> Siekierda
> Sent: Thursday, February 28, 2013 11:56 AM
> To: Koehne Kai
> Cc: web at qt-project.org
> Subject: Re: [Web] Suggestion to include info about dependencies on Qt
> download page
> 
> On 28 February 2013 11:45, Koehne Kai <Kai.Koehne at digia.com> wrote:
> > Thanks for the initiative.
> 
> Thanks for a quick answer in return :)
> 
> >  - The full story about xcb is actually that we require only libX11-xcb.so.1,
> libxcb.so.1 at runtime. But these libraries should really be available on most
> systems by default this days. If your system doesn’t have the libs, then I'm
> afraid just 'installing' all of xcb won't help you either, since the x11 server
> itself has to be compiled with xcb support).
> 
> Isn't mesa/ OpenGL driver also needed? And stuff like libicu libxslt (non-
> dev)?

I guess libicu, libxcb should be there on most systems by default, as well an OpenGL driver. It really depends on the distribution/version that you're trying :) But AFAIK one can install Qt on a stock Ubuntu 11.0 without any additional dependencies except for the build-essentials. 

Other distributions might need something - but since it's usually very specific to the distribution I think this should be added when one bumps into it.

If there's something people run often into we can also add  a check to the installer, and show a warning if e.g. g++ isn't found in the PATH.

Regards

Kai

> > - for ICU, we ship the needed libs in the bin folder. Just use them.
> 
> OK, I didn't know that, I'm usually compiling from source :) And with "Building
> Qt5 from git" it always just works.
> 
> Have a good day,
> sierdzio
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