With QT-6.9 src/engine/sidechain/enginerecord.cpp:228:22: error: no matching function for call to ‘QString::arg(quint64, int, char, int, char)’

[jospezial]

Bug Description

With QT-6.9 git (~Beta1):

FAILED: CMakeFiles/mixxx-lib.dir/src/engine/sidechain/enginerecord.cpp.o 
/usr/lib/ccache/bin/x86_64-pc-linux-gnu-g++ -DMIXXX_BUILD_RELEASE -DMIXXX_USE_QOPENGL -DPA_USE_ALSA -DPROTOBUF_USE_DLLS -DQT_CONCURRENT_LIB -DQT_CORE5COMPAT_LIB -DQT_CORE_LIB -DQT_DBUS_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_NO_DEBUG -DQT_OPENGL_LIB -DQT_PRINTSUPPORT_LIB -DQT_QMLINTEGRATION_LIB -DQT_QML_LIB -DQT_SHADERTOOLS_LIB -DQT_SQL_LIB -DQT_SVGWIDGETS_LIB -DQT_SVG_LIB -DQT_TABLET_SUPPORT -DQT_TESTCASE_BUILDDIR=\"/var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999_build\" -DQT_TESTCASE_SOURCEDIR=\"/var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999\" -DQT_TESTLIB_LIB -DQT_USE_QSTRINGBUILDER -DQT_WIDGETS_LIB -DQT_XML_LIB -DSFC_SUPPORTS_SET_COMPRESSION_LEVEL -D__BATTERY__ -D__BULK__ -D__FAAD__ -D__FFMPEG__ -D__HID__ -D__KEYFINDER__ -D__LILV__ -D__LINUX__ -D__MAD__ -D__MODPLUG__ -D__MP4V2__ -D__OPUS__ -D__PORTMIDI__ -D__QTKEYCHAIN__ -D__RUBBERBAND__ -D__SNDFILE__ -D__SQLITE3__ -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D__STEM__ -D__UNIX__ -D__VINYLCONTROL__ -D__WV__ -Dx86_64 -I/var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999_build/mixxx-lib_autogen/include -I/var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/src -I/var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999_build/src -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/fidlib -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/portaudio -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/rigtorp/SPSCQueue/include -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/replaygain -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/reverb -isystem /usr/include/glib-2.0 -isystem /usr/lib64/glib-2.0/include -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/rekordbox-metadata -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/kaitai -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/mp3guessenc-0.27.4 -isystem /usr/include/qt6/QtConcurrent -isystem /usr/include/qt6 -isystem /usr/include/qt6/QtCore -isystem /usr/lib64/qt6/mkspecs/linux-g++ -isystem /usr/include/qt6/QtGui -isystem /usr/include/qt6/QtNetwork -isystem /usr/include/qt6/QtOpenGL -isystem /usr/include/qt6/QtPrintSupport -isystem /usr/include/qt6/QtWidgets -isystem /usr/include/qt6/QtQml -isystem /usr/include/qt6/QtQmlIntegration -isystem /usr/include/qt6/QtSql -isystem /usr/include/qt6/QtSvg -isystem /usr/include/qt6/QtTest -isystem /usr/include/qt6/QtXml -isystem /usr/include/qt6/QtShaderTools -isystem /usr/include/qt6/QtSvgWidgets -isystem /usr/include/qt6/QtCore5Compat -isystem /usr/include/qt6/QtDBus -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/qm-dsp -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/qm-dsp/include -isystem /usr/include/taglib -isystem /usr/include/libupower-glib -isystem /usr/include/lilv-0 -isystem /usr/include/opus -isystem /usr/include/hidapi -isystem /usr/include/libusb-1.0 -isystem /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/lib/xwax -isystem /usr/include/wavpack  -march=native -O2 -pipe -std=gnu++20 -fvisibility=hidden -fvisibility-inlines-hidden -pipe -Wall -Wextra -Woverloaded-virtual -Wfloat-conversion -Werror=return-type -Wformat=2 -Wformat-security -Wvla -Wundef -fmacro-prefix-map=/var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999=. -pthread -fPIC -MD -MT CMakeFiles/mixxx-lib.dir/src/engine/sidechain/enginerecord.cpp.o -MF CMakeFiles/mixxx-lib.dir/src/engine/sidechain/enginerecord.cpp.o.d -o CMakeFiles/mixxx-lib.dir/src/engine/sidechain/enginerecord.cpp.o -c /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/src/engine/sidechain/enginerecord.cpp
/var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/src/engine/sidechain/enginerecord.cpp: In member function ‘QString EngineRecord::getRecordedDurationStr()’:
/var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/src/engine/sidechain/enginerecord.cpp:228:22: error: no matching function for call to ‘QString::arg(quint64, int, char, int, char)’
  227 |     return QString("%1:%2")
      |            ~~~~~~~~~~~~~~~~
  228 |                  .arg(m_recordedDuration / 60, 2, 'f', 0, '0')   // minutes
      |                  ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/qt6/QtCore/qobject.h:11,
                 from /usr/include/qt6/QtCore/qiodevice.h:10,
                 from /usr/include/qt6/QtCore/qfiledevice.h:7,
                 from /usr/include/qt6/QtCore/qfile.h:8,
                 from /usr/include/qt6/QtCore/QFile:1,
                 from /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/src/engine/sidechain/enginerecord.h:4,
                 from /var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/src/engine/sidechain/enginerecord.cpp:1:
/usr/include/qt6/QtCore/qstring.h:316:27: note: candidate: ‘template<class T, typename std::enable_if<conjunction_v<std::disjunction<std::is_convertible<T, long long unsigned int>, std::is_convertible<T, long long int> >, std::negation<std::disjunction<std::is_same<typename std::remove_cvref<_Tp>::type, _Float16>, std::is_same<typename std::remove_cvref<_Tp>::type, qfloat16>, std::is_floating_point<_Tp> > >, std::negation<std::conjunction<std::negation<QtPrivate::treat_as_integral_arg<typename std::remove_cv< <template-parameter-1-1> >::type> >, std::is_convertible<T, QAnyStringView> > > >, bool>::type <anonymous> > QString QString::arg(T, int, int, QChar) const’
  316 |     [[nodiscard]] QString arg(T a, int fieldWidth = 0, int base = 10,
      |                           ^~~
/usr/include/qt6/QtCore/qstring.h:316:27: note:   candidate expects 4 arguments, 5 provided
/usr/include/qt6/QtCore/qstring.h:331:27: note: candidate: ‘template<class T, typename std::enable_if<std::disjunction<std::is_same<typename std::remove_cvref<_Tp>::type, _Float16>, std::is_same<typename std::remove_cvref<_Tp>::type, qfloat16>, std::is_floating_point<_Tp> >::value, bool>::type <anonymous> > QString QString::arg(T, int, char, int, QChar) const’
  331 |     [[nodiscard]] QString arg(T a, int fieldWidth = 0, char format = 'g', int precision = -1,
      |                           ^~~
/usr/include/qt6/QtCore/qstring.h:331:27: note:   template argument deduction/substitution failed:
/usr/include/qt6/QtCore/qstring.h:330:50: error: no type named ‘type’ in ‘struct std::enable_if<false, bool>’
  330 |     template <typename T, if_floating_point<T> = true>
      |                                                  ^~~~
/usr/include/qt6/QtCore/qstring.h:336:27: note: candidate: ‘template<class T, typename std::enable_if<std::conjunction<std::negation<QtPrivate::treat_as_integral_arg<typename std::remove_cv< <template-parameter-1-1> >::type> >, std::is_convertible<T, QAnyStringView> >::value, bool>::type <anonymous> > QString QString::arg(const T&, int, QChar) const’
  336 |     [[nodiscard]] QString arg(const T &a, int fieldWidth = 0, QChar fillChar = u' ') const
      |                           ^~~
/usr/include/qt6/QtCore/qstring.h:336:27: note:   candidate expects 3 arguments, 5 provided
/usr/include/qt6/QtCore/qstring.h:356:5: note: candidate: ‘template<class ... Args> typename std::enable_if<((sizeof... (Args) >= 2) && conjunction_v<std::conjunction<std::negation<QtPrivate::treat_as_integral_arg<typename std::remove_cv<Args>::type> >, std::is_convertible<Args, QAnyStringView> >...>), QString>::type QString::arg(Args&& ...) const’
  356 |     arg(Args &&...args) const
      |     ^~~
/usr/include/qt6/QtCore/qstring.h:356:5: note:   template argument deduction/substitution failed:
/usr/include/qt6/QtCore/qstring.h: In substitution of ‘template<class ... Args> typename std::enable_if<((sizeof... (Args) >= 2) && conjunction_v<std::conjunction<std::negation<QtPrivate::treat_as_integral_arg<typename std::remove_cv<Args>::type> >, std::is_convertible<Args, QAnyStringView> >...>), QString>::type QString::arg(Args&& ...) const [with Args = {long long unsigned int, int, char, int, char}]’:
/var/tmp/portage/media-sound/mixxx-9999/work/mixxx-9999/src/engine/sidechain/enginerecord.cpp:228:22:   required from here
  227 |     return QString("%1:%2")
      |            ~~~~~~~~~~~~~~~~
  228 |                  .arg(m_recordedDuration / 60, 2, 'f', 0, '0')   // minutes
      |                  ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/qt6/QtCore/qstring.h:356:5: error: no type named ‘type’ in ‘struct std::enable_if<false, QString>’
  356 |     arg(Args &&...args) const
      |     ^~~

Version

git main

OS

Gentoo linux

[jospezial]

latest changes in qstring:
https://github.com/qt/qtbase/commits/6.9/src/corelib/text/qstring.h

[Swiftb0y]

This is probably at fault: qt/qtbase@563ed82

I don't have a Qt6.9 setup so I can't easily confirm or fix this. I have created a PR blindly. Please confirm whether that fixes the issue for you or if any similar issues arise: #14080