Fails to build against Qt 6.9.0 on MinGW-w64 (Issue #25472)
مهدي شينون (Mehdi Chinoune)
MehdiChinoune created an issue (wxWidgets/wxWidgets#25472)Build System Used
I build wxWidgets and/or my application using:
- CMake
- configure
- mingw32-make with makefile.gcc
- MSBuild (Microsoft Visual Studio solution file)
- nmake with makefile.vc
- Xcode
Description
The building were done on MSYS2.
-G"Ninja"
-DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX}
-DCMAKE_CXX_STANDARD=17
-DwxBUILD_INSTALL_PLATFORM_SUBDIR=OFF
-DwxBUILD_INSTALL=ON
-DwxUSE_IFF=ON
-DwxUSE_GRAPHICS_CONTEXT=ON
-DwxUSE_GRAPHICS_DIRECT2D=ON
-DwxBUILD_MONOLITHIC=OFF
-DwxBUILD_PRECOMP=OFF
-DwxBUILD_TESTS=OFF
-DwxUSE_LIBLZMA=ON
-DwxUSE_WEBREQUEST_CURL=ON
-DwxUSE_WEBREQUEST_WINHTTP=ON
-DwxUSE_STACKWALKER=ON
-DwxUSE_DBGHELP=ON
-DBUILD_SHARED_LIBS=ON \
-DwxBUILD_SHARED=ON \
-DwxBUILD_TOOLKIT=qt \
-DwxUSE_EXPAT=sys \
-DwxUSE_LIBJPEG=sys \
-DwxUSE_LIBPNG=sys \
-DwxUSE_LIBTIFF=sys \
-DwxUSE_LIBWEBP=sys \
-DwxUSE_REGEX=sys \
-DwxUSE_ZLIB=sys \
-DwxUSE_OPENGL=ON
error:
[411/848] Building CXX object libs/core/CMakeFiles/wxcore.dir/__/__/__/__/src/qt/uiaction.cpp.obj
FAILED: libs/core/CMakeFiles/wxcore.dir/__/__/__/__/src/qt/uiaction.cpp.obj
C:\M\msys64\clang64\bin\clang++.exe -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -DQT_OPENGLWIDGETS_LIB -DQT_OPENGL_LIB -DQT_TESTCASE_BUILDDIR=\"C:/_/B/src/build-qt-CLANG64-shared/libs/core\" -DQT_TESTCASE_SOURCEDIR=\"C:/_/B/src/wxWidgets-3.3.0-rc1/build/cmake/lib/core\" -DQT_TESTLIB_LIB -DQT_WIDGETS_LIB -DUNICODE -DWIN32 -DWIN64 -DWINVER=0x0A00 -DWXBUILDING -DWXDLLNAME=wxqt330u_core_clang_custom -DWXMAKINGDLL_CORE -DWXUSINGDLL -D_ENABLE_EXTENDED_ALIGNED_STORAGE -D_UNICODE -D_WIN32_WINNT=0x0A00 -D_WIN64 -D__WXQT__ -DwxUSE_BASE=0 -DwxUSE_GUI=1 -Dwxcore_EXPORTS -IC:/_/B/src/build-qt-CLANG64-shared/lib/wx/include/qt-unicode-3.3 -IC:/_/B/src/wxWidgets-3.3.0-rc1/include -isystem C:/M/msys64/clang64/include/qt6/QtCore -isystem C:/M/msys64/clang64/include/qt6 -isystem C:/M/msys64/clang64/include/qt6/QtWidgets -isystem C:/M/msys64/clang64/include/qt6/QtGui -isystem C:/M/msys64/clang64/include/qt6/QtOpenGL -isystem C:/M/msys64/clang64/include/qt6/QtOpenGLWidgets -isystem C:/M/msys64/clang64/include/qt6/QtTest -isystem C:/M/msys64/clang64/share/qt6/mkspecs/win32-clang-g++ -march=nocona -msahf -mtune=generic -O2 -pipe -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong -Wp,-D__USE_MINGW_ANSI_STDIO=1 -Wno-ignored-attributes -O3 -DNDEBUG -O2 -fomit-frame-pointer -Wall -Wundef -Wunused-parameter -Wno-ignored-attributes -Wno-ctor-dtor-privacy -Woverloaded-virtual -pthread -MD -MT libs/core/CMakeFiles/wxcore.dir/__/__/__/__/src/qt/uiaction.cpp.obj -MF libs\core\CMakeFiles\wxcore.dir\__\__\__\__\src\qt\uiaction.cpp.obj.d -o libs/core/CMakeFiles/wxcore.dir/__/__/__/__/src/qt/uiaction.cpp.obj -c C:/_/B/src/wxWidgets-3.3.0-rc1/src/qt/uiaction.cpp
C:/_/B/src/wxWidgets-3.3.0-rc1/src/qt/uiaction.cpp:180:21: error: no matching constructor for initialization of 'const QChar'
180 | const QChar qChar(key);
| ^ ~~~
C:/M/msys64/clang64/include/qt6/QtCore/qchar.h:48:31: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'Key' to 'const QChar' for 1st argument
48 | class QT6_ONLY(Q_CORE_EXPORT) QChar {
| ^~~~~
C:/M/msys64/clang64/include/qt6/QtCore/qchar.h:48:31: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'Key' to 'QChar' for 1st argument
48 | class QT6_ONLY(Q_CORE_EXPORT) QChar {
| ^~~~~
C:/M/msys64/clang64/include/qt6/QtCore/qchar.h:132:26: note: candidate template ignored: requirement 'disjunction<std::is_same<Qt::Key, unsigned short>, std::is_same<Qt::Key, short>, std::is_same<Qt::Key, QChar::SpecialCharacter>, std::is_same<Qt::Key, QLatin1Char>, std::conjunction<std::is_same<Qt::Key, wchar_t>, std::negation<std::integral_constant<bool, false>>>, std::is_same<Qt::Key, char16_t>>::value' was not satisfied [with Char = Key]
132 | constexpr Q_IMPLICIT QChar(const Char ch) noexcept : ucs(char16_t(ch)) {}
| ^
C:/M/msys64/clang64/include/qt6/QtCore/qchar.h:134:24: note: candidate template ignored: requirement 'disjunction<std::is_same<Qt::Key, char32_t>, std::conjunction<std::is_same<Qt::Key, wchar_t>, std::integral_constant<bool, false>>, std::is_same<Qt::Key, int>, std::is_same<Qt::Key, unsigned int>>::value' was not satisfied [with Char = Key]
134 | constexpr explicit QChar(const Char ch) noexcept
| ^
C:/M/msys64/clang64/include/qt6/QtCore/qchar.h:143:45: note: candidate template ignored: requirement 'is_same<Qt::Key, char>::value' was not satisfied [with Char = Key]
143 | QT_ASCII_CAST_WARN constexpr Q_IMPLICIT QChar(const Char ch) noexcept : ucs(uchar(ch)) {}
| ^
C:/M/msys64/clang64/include/qt6/QtCore/qchar.h:149:43: note: candidate template ignored: requirement 'is_same<Qt::Key, unsigned char>::value' was not satisfied [with Char = Key]
149 | QT_ASCII_CAST_WARN constexpr explicit QChar(const Char c) noexcept : ucs(c) { }
| ^
C:/M/msys64/clang64/include/qt6/QtCore/qchar.h:115:26: note: candidate constructor not viable: requires 0 arguments, but 1 was provided
115 | constexpr Q_IMPLICIT QChar() noexcept : ucs(0) {}
| ^
C:/M/msys64/clang64/include/qt6/QtCore/qchar.h:119:24: note: candidate constructor not viable: requires 2 arguments, but 1 was provided
119 | constexpr explicit QChar(uchar c, uchar r) noexcept : ucs(char16_t((r << 8) | c)) {}
| ^ ~~~~~~~~~~~~~~~~
1 error generated.
Platform and version information
- wxWidgets version you are building: 3.3.0-rc1
- wxWidgets port you are building: wxQt
- OS and its version: Windows Server 2025
- Compiler being used: GCC 15.1.0 and Clang 20.1.5
- Non-default compiler options, if any :
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VZ
vadz left a comment (wxWidgets/wxWidgets#25472)It would be nice to fix this before 3.3.0, I guess we just need a cast?
Otherwise we could also disable wxUSE_UIACTIONSIMULATOR when using Qt 6.9, but it would be preferable not to do this, of course...
@AliKet Please let me know if you can look at/fix this, TIA!
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مهدي شينون (Mehdi Chinoune)
Closed #25472 as not planned.
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VZ
Reopened #25472.
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vadz left a comment (wxWidgets/wxWidgets#25472)Although the submitter threw a tantrum and closed it, the problem is probably still valid.
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مهدي شينون (Mehdi Chinoune)
Closed #25472 as not planned.
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مهدي شينون (Mehdi Chinoune)
MehdiChinoune left a comment (wxWidgets/wxWidgets#25472)I was threatened to be blocked If I raise my voice.
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vadz left a comment (wxWidgets/wxWidgets#25472)Just to be perfectly clear, and for the record, you have been asked to avoid polluting the issue tracker with unrelated discussions. This is not an affront to your liberty of expression you're making it out to be.
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