[Interest] Issue with CMake and Qt6 on Windows

[Alexandru Croitor]

Hi,

Instead of specifying the Qt6_DIR env var, pass -DCMAKE_PREFIX_PATH=C:\Qt\6.6.0\msvc2019_64 to CMake.

Specifying the Qt6_DIR cache var is not sufficient to find Qt at the moment (there is an open bug about it).
Specifying the Qt6_DIR env var not being sufficient is likely the same issue.

> On 30. Aug 2023, at 15:31, Corentin Bacqué-cazenave via Interest <interest at qt-project.org> wrote:
> 
> Hi,
> Itm trying to build a project which use Qt on Windows with CMake.
> I defined an env-variable Qt6_DIR to C:\Qt\6.6.0\msvc2019_64
> I have the following error:
> "  Found package configuration file:                                                                                     
>                                                                                                                         
>     C:/Qt/6.6.0/msvc2019_64/lib/cmake/Qt6/Qt6Config.cmake                                                               
>                                                                                                                         
>   but it set Qt6_FOUND to FALSE so package "Qt6" is considered to be NOT                                                
>   FOUND.  Reason given by package:                                                                                      
>                                                                                                                         
>   Failed to find required Qt component "Widgets".                                                                       
>                                                                                                                         
>   Expected Config file at                                                                                               
>   "C:/Qt/6.6.0/msvc2019_64/lib/cmake/Qt6Widgets/Qt6WidgetsConfig.cmake"                                                 
>   exists"
> I'm using Qt6.6Beta3.
> Does anyone has any idea on it?
> Thanks
> -- 
> Corentin : expert certifié 2022 et Sponsor NVDA, Référent commission Cécité & Co - Fédé 100% Handinamique
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