[Development] Issues with latest Qt6 snapshot on Windows
alexandru.croitor at qt.io
Fri Jul 24 11:58:46 CEST 2020
> On 24. Jul 2020, at 05:59, Sandro Andrade <sandroandrade at kde.org> wrote:
> Hi there,
> I'm trying the latest Qt6 snapshot provided by the official installer
> on Windows 10 with MSVC 2019.
Thanks for providing feedback!
> I've noticed that QMake builds work fine only in Release mode.
> Building in Debug mode generates a:
> qtmaind.lib(qtmain_win.cpp.obj) : warning LNK4099: PDB 'WinMain.pdb'
> was not found with 'qtmaind.lib(qtmain_win.cpp.obj)' or at
> 'C:\Users\Sandro S.
> linking object as if no debug info
> qtmaind.lib(qtmain_win.cpp.obj) : error LNK2019: unresolved external
> symbol __imp_CommandLineToArgvW referenced in function WinMain
> Does such snapshot support only Release builds or am I missing
> something in my setup?
The snapshot should have supported Debug builds as well. It's a bug that it doesn't.
I can reproduce the issue.
> Also, CMake builds with many errors like:
> CMake Error at CMakeLists.txt:44 (target_link_libraries):
> Error evaluating generator expression:
> Target "Vulkan::Vulkan" not found.
I can reproduce this particular issue also.
> Do I need to install Angle, Direct3D, or Vulkan to fix this or is
> CMake support with Qt6 on Windows not ready yet?
I'm not sure yet if installing Vulkan will help, but you can try.
The snapshot is just a development snapshot, so it's expected to find issues.
Many issues were already fixed since the snapshot was released, but these apparently haven't been.
You can track the issues at https://bugreports.qt.io/browse/QTBUG-85240
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