Fetching source from mirror: http://download.kde.org/stable/release-service/25.12.0/src/cantor-25.12.0.tar.xz
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_LD_FLAGS
    ECM_MKSPECS_INSTALL_DIR


I/O warning : failed to load external entity "/usr/share/kf6/kdoctools/customization/xsl/pt-BR.xml"
No "pt_br" localization of "footer-doc-comment" exists; using "en".
No "pt_br" localization of "footer-doc-feedback" exists; using "en".
No "pt_br" localization of "footer-doc-teamname" exists; using "en".
No "pt_br" localization of "footer-doc-comment" exists; using "en".
No "pt_br" localization of "footer-doc-feedback" exists; using "en".
No "pt_br" localization of "footer-doc-teamname" exists; using "en".
No "pt_br" localization of "footer-doc-comment" exists; using "en".
No "pt_br" localization of "footer-doc-feedback" exists; using "en".
No "pt_br" localization of "footer-doc-teamname" exists; using "en".
No "pt_br" localization of "footer-doc-comment" exists; using "en".
No "pt_br" localization of "footer-doc-feedback" exists; using "en".
No "pt_br" localization of "footer-doc-teamname" exists; using "en".
No "pt_br" localization of "footer-doc-comment" exists; using "en".
No "pt_br" localization of "footer-doc-feedback" exists; using "en".
No "pt_br" localization of "footer-doc-teamname" exists; using "en".
No "pt_br" localization of "footer-doc-comment" exists; using "en".
No "pt_br" localization of "footer-doc-feedback" exists; using "en".
No "pt_br" localization of "footer-doc-teamname" exists; using "en".
No "pt_br" localization of "footer-doc-comment" exists; using "en".
No "pt_br" localization of "footer-doc-feedback" exists; using "en".
No "pt_br" localization of "footer-doc-teamname" exists; using "en".
No "pt_br" localization of "footer-doc-comment" exists; using "en".
No "pt_br" localization of "footer-doc-feedback" exists; using "en".
No "pt_br" localization of "footer-doc-teamname" exists; using "en".
No "pt_br" localization of "footer-doc-comment" exists; using "en".
No "pt_br" localization of "footer-doc-feedback" exists; using "en".
No "pt_br" localization of "footer-doc-teamname" exists; using "en".
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/build/thirdparty/src/discount_project/generate.c: In function ‘p_or_nothing’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/build/thirdparty/src/discount_project/generate.c:628:1: warning: old-style function definition [-Wold-style-definition]
  628 | p_or_nothing(p)
      | ^~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/scripteditor/scripteditorwidget.cpp: In member function ‘void ScriptEditorWidget::run()’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/scripteditor/scripteditorwidget.cpp:112:24: warning: ignoring return value of ‘bool QTemporaryFile::open()’, declared with attribute ‘nodiscard’ [-Wunused-result]
  112 |         m_tmpFile->open();
      |         ~~~~~~~~~~~~~~~^~
In file included from /usr/include/qt6/QtCore/QTemporaryFile:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/scripteditor/scripteditorwidget.cpp:8:
/usr/include/qt6/QtCore/qtemporaryfile.h:52:32: note: declared here
   52 |     QFILE_MAYBE_NODISCARD bool open() { return open(QIODevice::ReadWrite); }
      |                                ^~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/latexrenderer.cpp: In member function ‘bool Cantor::LatexRenderer::renderWithLatex()’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/latexrenderer.cpp:193:21: warning: ignoring return value of ‘bool QTemporaryFile::open()’, declared with attribute ‘nodiscard’ [-Wunused-result]
  193 |     d->texFile->open();
      |     ~~~~~~~~~~~~~~~~^~
In file included from /usr/include/qt6/QtCore/QTemporaryFile:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/latexrenderer.cpp:14:
/usr/include/qt6/QtCore/qtemporaryfile.h:52:32: note: declared here
   52 |     QFILE_MAYBE_NODISCARD bool open() { return open(QIODevice::ReadWrite); }
      |                                ^~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/defaulthighlighter.cpp: In constructor ‘Cantor::DefaultHighlighter::DefaultHighlighter(QObject*)’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/defaulthighlighter.cpp:75:37: warning: ‘void QGuiApplication::paletteChanged(const QPalette&)’ is deprecated: Handle QEvent::ApplicationPaletteChange instead [-Wdeprecated-declarations]
   75 |     connect(qApp, &QGuiApplication::paletteChanged,
      |                                     ^~~~~~~~~~~~~~
In file included from /usr/include/qt6/QtGui/qscreen_platform.h:19,
                 from /usr/include/qt6/QtGui/qscreen.h:150,
                 from /usr/include/qt6/QtGui/qinputdevice.h:9,
                 from /usr/include/qt6/QtGui/qpointingdevice.h:9,
                 from /usr/include/qt6/QtGui/qeventpoint.h:9,
                 from /usr/include/qt6/QtGui/qevent.h:20,
                 from /usr/include/qt6/QtGui/qtextlayout.h:7,
                 from /usr/include/qt6/QtGui/qtextobject.h:10,
                 from /usr/include/qt6/QtGui/qsyntaxhighlighter.h:12,
                 from /usr/include/qt6/QtGui/QSyntaxHighlighter:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/defaulthighlighter.h:12,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/defaulthighlighter.cpp:7:
/usr/include/qt6/QtGui/qguiapplication.h:161:89: note: declared here
  161 |     QT_DEPRECATED_VERSION_X_6_0("Handle QEvent::ApplicationPaletteChange instead") void paletteChanged(const QPalette &pal);
      |                                                                                         ^~~~~~~~~~~~~~
In file included from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:9,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.cpp:6:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::PlotTitleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:18:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   18 |             PLOT_DIRECTIVE_DISPATCHING(PlotTitleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::AbstractScaleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:31:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   31 |             PLOT_DIRECTIVE_DISPATCHING(AbstractScaleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::OrdinateScaleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:46:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   46 |             PLOT_DIRECTIVE_DISPATCHING(OrdinateScaleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::AbscissScaleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:54:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   54 |             PLOT_DIRECTIVE_DISPATCHING(AbscissScaleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/jupyterutils.cpp: In static member function ‘static QUrl Cantor::JupyterUtils::loadGifHtml(const QJsonValue&)’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/jupyterutils.cpp:429:18: warning: ignoring return value of ‘bool QTemporaryFile::open()’, declared with attribute ‘nodiscard’ [-Wunused-result]
  429 |         file.open();
      |         ~~~~~~~~~^~
In file included from /usr/include/qt6/QtCore/QTemporaryFile:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/jupyterutils.cpp:21:
/usr/include/qt6/QtCore/qtemporaryfile.h:52:32: note: declared here
   52 |     QFILE_MAYBE_NODISCARD bool open() { return open(QIODevice::ReadWrite); }
      |                                ^~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/maxima/maximaexpression.cpp: In member function ‘virtual void MaximaExpression::evaluate()’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/maxima/maximaexpression.cpp:85:25: warning: ignoring return value of ‘bool QTemporaryFile::open()’, declared with attribute ‘nodiscard’ [-Wunused-result]
   85 |         m_tempFile->open();
      |         ~~~~~~~~~~~~~~~~^~
In file included from /usr/include/qt6/QtCore/QTemporaryFile:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/maxima/maximaexpression.cpp:22:
/usr/include/qt6/QtCore/qtemporaryfile.h:52:32: note: declared here
   52 |     QFILE_MAYBE_NODISCARD bool open() { return open(QIODevice::ReadWrite); }
      |                                ^~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/worksheettextitem.cpp: In member function ‘QKeyEvent* WorksheetTextItem::eventForStandardAction(KStandardAction::StandardAction)’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/worksheettextitem.cpp:151:24: warning: ‘constexpr QKeyCombination::operator int() const’ is deprecated: Use QKeyCombination instead of int [-Wdeprecated-declarations]
  151 |     int code = keySeq[0];
      |                ~~~~~~~~^
In file included from /usr/include/qt6/QtCore/qobjectdefs.h:12,
                 from /usr/include/qt6/QtCore/qobject.h:10,
                 from /usr/include/qt6/QtWidgets/qgraphicsitem.h:9,
                 from /usr/include/qt6/QtWidgets/QGraphicsTextItem:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/worksheettextitem.h:10,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/worksheettextitem.cpp:6:
/usr/include/qt6/QtCore/qnamespace.h:1941:26: note: declared here
 1941 |     constexpr Q_IMPLICIT operator int() const noexcept
      |                          ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/scripteditor/scripteditorwidget.cpp: In member function ‘void ScriptEditorWidget::run()’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/scripteditor/scripteditorwidget.cpp:112:24: warning: ignoring return value of ‘bool QTemporaryFile::open()’, declared with attribute ‘nodiscard’ [-Wunused-result]
  112 |         m_tmpFile->open();
      |         ~~~~~~~~~~~~~~~^~
In file included from /usr/include/qt6/QtCore/QTemporaryFile:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/scripteditor/scripteditorwidget.cpp:8:
/usr/include/qt6/QtCore/qtemporaryfile.h:52:32: note: declared here
   52 |     QFILE_MAYBE_NODISCARD bool open() { return open(QIODevice::ReadWrite); }
      |                                ^~~~
In file included from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/R/rextensions.h:9,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/R/rbackend.cpp:9:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::PlotTitleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:18:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   18 |             PLOT_DIRECTIVE_DISPATCHING(PlotTitleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::AbstractScaleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:31:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   31 |             PLOT_DIRECTIVE_DISPATCHING(AbstractScaleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::OrdinateScaleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:46:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   46 |             PLOT_DIRECTIVE_DISPATCHING(OrdinateScaleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::AbscissScaleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:54:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   54 |             PLOT_DIRECTIVE_DISPATCHING(AbscissScaleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/R/rextensions.h:9,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/R/rextensions.cpp:6:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::PlotTitleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:18:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   18 |             PLOT_DIRECTIVE_DISPATCHING(PlotTitleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::AbstractScaleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:31:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   31 |             PLOT_DIRECTIVE_DISPATCHING(AbstractScaleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::OrdinateScaleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:46:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   46 |             PLOT_DIRECTIVE_DISPATCHING(OrdinateScaleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/extension.h:216:47: warning: ‘virtual QString Cantor::AbscissScaleDirective::dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase&) const’ can be marked override [-Wsuggest-override]
  216 | #define PLOT_DIRECTIVE_DISPATCHING(x) QString dispatch(const Cantor::AdvancedPlotExtension::AcceptorBase& acc) const \
      |                                               ^~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/lib/directives/plotdirectives.h:54:13: note: in expansion of macro ‘PLOT_DIRECTIVE_DISPATCHING’
   54 |             PLOT_DIRECTIVE_DISPATCHING(AbscissScaleDirective);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/loadedexpression.cpp: In member function ‘void LoadedExpression::loadFromJupyter(const QJsonObject&)’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/loadedexpression.cpp:218:26: warning: ignoring return value of ‘bool QTemporaryFile::open()’, declared with attribute ‘nodiscard’ [-Wunused-result]
  218 |                 file.open();
      |                 ~~~~~~~~~^~
In file included from /usr/include/qt6/QtCore/QTemporaryFile:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/loadedexpression.cpp:26:
/usr/include/qt6/QtCore/qtemporaryfile.h:52:32: note: declared here
   52 |     QFILE_MAYBE_NODISCARD bool open() { return open(QIODevice::ReadWrite); }
      |                                ^~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/mathrendertask.cpp: In member function ‘virtual void MathRenderTask::run()’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/mathrendertask.cpp:69:17: warning: ignoring return value of ‘bool QTemporaryFile::open()’, declared with attribute ‘nodiscard’ [-Wunused-result]
   69 |     texFile.open();
      |     ~~~~~~~~~~~~^~
In file included from /usr/include/qt6/QtCore/QTemporaryFile:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/mathrendertask.cpp:8:
/usr/include/qt6/QtCore/qtemporaryfile.h:52:32: note: declared here
   52 |     QFILE_MAYBE_NODISCARD bool open() { return open(QIODevice::ReadWrite); }
      |                                ^~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/qalculate/qalculateexpression.cpp: In member function ‘void QalculateExpression::evaluatePlotCommand()’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/qalculate/qalculateexpression.cpp:635:29: warning: ignoring return value of ‘bool QTemporaryFile::open()’, declared with attribute ‘nodiscard’ [-Wunused-result]
  635 |             m_tempFile->open();
      |             ~~~~~~~~~~~~~~~~^~
In file included from /usr/include/qt6/QtCore/QTemporaryFile:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/qalculate/qalculateexpression.cpp:30:
/usr/include/qt6/QtCore/qtemporaryfile.h:52:32: note: declared here
   52 |     QFILE_MAYBE_NODISCARD bool open() { return open(QIODevice::ReadWrite); }
      |                                ^~~~
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/python/pythonexpression.cpp: In member function ‘virtual QString PythonExpression::internalCommand()’:
/var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/python/pythonexpression.cpp:57:25: warning: ignoring return value of ‘bool QTemporaryFile::open()’, declared with attribute ‘nodiscard’ [-Wunused-result]
   57 |         m_tempFile->open();
      |         ~~~~~~~~~~~~~~~~^~
In file included from /usr/include/qt6/QtCore/QTemporaryFile:1,
                 from /var/pisi/cantor-25.12.0-69/work/cantor-25.12.0/src/backends/python/pythonexpression.cpp:18:
/usr/include/qt6/QtCore/qtemporaryfile.h:52:32: note: declared here
   52 |     QFILE_MAYBE_NODISCARD bool open() { return open(QIODevice::ReadWrite); }
      |                                ^~~~
*** 0 error(s), 1 warning(s)