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Details

Type: Bug
Resolution: Done
Priority: P3: Somewhat important
Fix Version/s: 6.2.3, 6.3.0 Alpha
Affects Version/s: 6.2.0
Component/s: Build System
Labels:
- Reported_by_support_standard

Platform/s:

Windows
Commits:
75eb08711ef7a51305b4daad411548a2b6b4f8c6 (qt/qtbase/dev) 67a9a9fb67 (qt/qtbase/6.2) 67a9a9fb67 (qt/tqtc-qtbase/6.2)

Description

Building some examples with static Qt 6.2.0 seems to result in a bunch of warnings from the linker.

Qt configuration:

-debug-and-release -static -force-debug-info -nomake examples -nomake tests -confirm-license -opengl desktop -cmake-generator "Ninja Multi-Config" -platform win32-msvc -skip qtwebengine -skip qttools -skip qtdoc -skip qttranslations -skip qt3d -skip qtopcua -skip qtactiveqt -skip qtquick3d -skip qtscxml -skip qtserialbus -skip qtlocation -skip qtdatavis3d -prefix C:\qt\6.2.0_static

and the build log for the example widgets\widgets\analogclock\

C:\Qt\Examples\Qt-6.2.0\widgets\widgets\analogclock\build>C:\qt\6.2.0_static\bin\qmake.exe ..
Info: creating stash file C:\Qt\Examples\Qt-6.2.0\widgets\widgets\analogclock\build\.qmake.stash

C:\Qt\Examples\Qt-6.2.0\widgets\widgets\analogclock\build>nmake debug

Microsoft (R) Program Maintenance Utility Version 14.29.30136.0
Copyright (C) Microsoft Corporation.  All rights reserved.

        "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\bin\HostX64\x64\nmake.exe" -f Makefile.Debug

Microsoft (R) Program Maintenance Utility Version 14.29.30136.0
Copyright (C) Microsoft Corporation.  All rights reserved.

        cl -BxC:\qt\6.2.0_static\bin\qmake.exe -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -permissive- -Zc:__cplusplus -Zc:externConstexpr -Zi -MDd -std:c++17 -utf-8 -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -E C:\Qt\6.2.0_static\mkspecs\features\data\dummy.cpp 2>NUL >debug\moc_predefs.h
        C:\Qt\6.2.0_static\bin\moc.exe -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB --compiler-flavor=msvc --include C:/Qt/Examples/Qt-6.2.0/widgets/widgets/analogclock/build/debug/moc_predefs.h -IC:/Qt/6.2.0_static/mkspecs/win32-msvc -IC:/Qt/Examples/Qt-6.2.0/widgets/widgets/analogclock -IC:/Qt/6.2.0_static/include -IC:/Qt/6.2.0_static/include/QtWidgets -IC:/Qt/6.2.0_static/include/QtGui -IC:/Qt/6.2.0_static/include/QtCore -I. -I"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\ATLMFC\include" -I"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\include" -I"C:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\include\um" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.20348.0\ucrt" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.20348.0\shared" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.20348.0\um" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.20348.0\winrt" -I"C:\Program Files (x86)\Windows Kits\10\include\10.0.20348.0\cppwinrt" ..\analogclock.h -o debug\moc_analogclock.cpp
        cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -permissive- -Zc:__cplusplus -Zc:externConstexpr -Zi -MDd -std:c++17 -utf-8 -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -EHsc /Fddebug\analogclock.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I..\..\analogclock -I. -IC:\Qt\6.2.0_static\include -IC:\Qt\6.2.0_static\include\QtWidgets -IC:\Qt\6.2.0_static\include\QtGui -IC:\Qt\6.2.0_static\include\QtCore -Idebug -IC:\Qt\6.2.0_static\mkspecs\win32-msvc -Fodebug\ @C:\Users\mipernu\AppData\Local\Temp\nmB91E.tmp
analogclock.cpp
main.cpp
Generating Code...
        cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -permissive- -Zc:__cplusplus -Zc:externConstexpr -Zi -MDd -std:c++17 -utf-8 -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -EHsc /Fddebug\analogclock.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I..\..\analogclock -I. -IC:\Qt\6.2.0_static\include -IC:\Qt\6.2.0_static\include\QtWidgets -IC:\Qt\6.2.0_static\include\QtGui -IC:\Qt\6.2.0_static\include\QtCore -Idebug -IC:\Qt\6.2.0_static\mkspecs\win32-msvc -Fodebug\ @C:\Users\mipernu\AppData\Local\Temp\nmE5EC.tmp
analogclock_plugin_import.cpp
        cl -c -nologo -Zc:wchar_t -FS -Zc:rvalueCast -Zc:inline -Zc:strictStrings -Zc:throwingNew -permissive- -Zc:__cplusplus -Zc:externConstexpr -Zi -MDd -std:c++17 -utf-8 -W3 -w34100 -w34189 -w44996 -w44456 -w44457 -w44458 -wd4577 -wd4467 -EHsc /Fddebug\analogclock.vc.pdb -DUNICODE -D_UNICODE -DWIN32 -D_ENABLE_EXTENDED_ALIGNED_STORAGE -DWIN64 -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I..\..\analogclock -I. -IC:\Qt\6.2.0_static\include -IC:\Qt\6.2.0_static\include\QtWidgets -IC:\Qt\6.2.0_static\include\QtGui -IC:\Qt\6.2.0_static\include\QtCore -Idebug -IC:\Qt\6.2.0_static\mkspecs\win32-msvc -Fodebug\ @C:\Users\mipernu\AppData\Local\Temp\nmFAFC.tmp
moc_analogclock.cpp
        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\analogclock.exe @C:\Users\mipernu\AppData\Local\Temp\nm11F0.tmp
qrc_openglblacklists.cpp.obj : warning LNK4099: PDB 'vc140.pdb' was not found with 'qrc_openglblacklists.cpp.obj' or at 'C:\Qt\Examples\Qt-6.2.0\widgets\widgets\analogclock\build\debug\vc140.pdb'; linking object as if no debug info
qrc_cursors.cpp.obj : warning LNK4099: PDB 'vc140.pdb' was not found with 'qrc_cursors.cpp.obj' or at 'C:\Qt\Examples\Qt-6.2.0\widgets\widgets\analogclock\build\debug\vc140.pdb'; linking object as if no debug info
qrc_qstyle.cpp.obj : warning LNK4099: PDB 'vc140.pdb' was not found with 'qrc_qstyle.cpp.obj' or at 'C:\Qt\Examples\Qt-6.2.0\widgets\widgets\analogclock\build\debug\vc140.pdb'; linking object as if no debug info
qrc_qstyle1.cpp.obj : warning LNK4099: PDB 'vc140.pdb' was not found with 'qrc_qstyle1.cpp.obj' or at 'C:\Qt\Examples\Qt-6.2.0\widgets\widgets\analogclock\build\debug\vc140.pdb'; linking object as if no debug info
qrc_qmessagebox.cpp.obj : warning LNK4099: PDB 'vc140.pdb' was not found with 'qrc_qmessagebox.cpp.obj' or at 'C:\Qt\Examples\Qt-6.2.0\widgets\widgets\analogclock\build\debug\vc140.pdb'; linking object as if no debug info
qrc_qpdf.cpp.obj : warning LNK4099: PDB 'vc140.pdb' was not found with 'qrc_qpdf.cpp.obj' or at 'C:\Qt\Examples\Qt-6.2.0\widgets\widgets\analogclock\build\debug\vc140.pdb'; linking object as if no debug info

C:\Qt\Examples\Qt-6.2.0\widgets\widgets\analogclock\build>

The same warnings appear also at least with widgets\widgets\calculator example as well.

The warnings seem to pop up only when the build directory of the static Qt version has been renamed or removed. If the original build directory is still in place there are no warnings.