[Interest] Struggling to build qt 5.9.9 for iOS

maitai maitai at virtual-winds.org
Mon Aug 12 17:48:14 CEST 2019

Ok, understood.

The thing is that I have built qt quite a number of times, for Raspbian, 
Windows 32 bits, Linux 32 bits and so on. I never had to use this 
option. From what you said I suppose qt 5.9.8 for iOS is not built with 
it, so why do I have to specify it for 5.9.9, all the rest (JDK, 
project) being equal ?


Le 11-08-2019 18:38, Thiago Macieira a écrit :
> On Sunday, 11 August 2019 05:15:31 PDT maitai wrote:
>> FYI based on what you said I added -qt-zlib to configure options, and
>> now my app compiles and runs OK. I don't know if it is a normal option
>> for such a build
> My regular recommendation is to never use the -qt-<libname> options. 
> You as
> the app distributor should be aware of all the libraries you're 
> shipping, for
> two very important reasons:
> 1) licensing. Most of those libraries are BSD-3-Clause, which means you 
> need
> to list them and their copyright in your app's documentation. Qt can 
> help you
> in this since there's a "qt_atribution.json" file next to each of the 
> third-
> party libraries, so you can simply collect them all and include the 
> necessary
> attributions in your documentation.
> 2) security. You must be aware of the libraries you can track CVEs 
> published
> against them and update your build within a reasonable timeframe of the 
> fixes
> being published by the upstream developers. Qt will not do this for 
> you.

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