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Details

Type: Bug
Resolution: Fixed
Priority: P1: Critical
Fix Version/s: 6.5.4, 6.6.1, 6.7.0 FF
Affects Version/s: 6.2.7, 6.2.9, 6.5.3, 6.6.0 Beta4
Component/s: Build tools: qmake
Labels:
- Reported_by_support_standard
Environment:
Windows 10 22H2, MSVC 2019 x64

Platform/s:

Windows
Commits:
b289d669a (dev), ab971d249 (6.6), c6ec130a0 (6.5)

Description

MinGW kits do not seem to be affected.

Code

MyProject.pro

CONFIG += qt
SOURCES += main.cpp

main.cpp

#include <QGuiApplication>
int main(int, char**)
{
    qDebug("Hello World");
}

Build Output

	link /NOLOGO /DYNAMICBASE /NXCOMPAT /DEBUG /SUBSYSTEM:WINDOWS "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='*' processorArchitecture='*'" /MANIFEST:embed /OUT:debug\MyProject.exe @C:\Users\USER\AppData\Local\Temp\MyProject.exe.29120.2047.jom
MSVCRTD.lib(exe_winmain.obj) : error LNK2019: unresolved external symbol WinMain referenced in function "int __cdecl invoke_main(void)" (?invoke_main@@YAHXZ)
debug\MyProject.exe : fatal error LNK1120: 1 unresolved externals

Workarounds