CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_LD_FLAGS
    ECM_MKSPECS_INSTALL_DIR


/var/pisi/kscreen-6.5.5-95/work/kscreen-6.5.5/console/console.cpp: In member function ‘void Console::printSerializations()’:
/var/pisi/kscreen-6.5.5-95/work/kscreen-6.5.5/console/console.cpp:136:18: warning: ignoring return value of ‘virtual bool QFile::open(QIODeviceBase::OpenMode)’, declared with attribute ‘nodiscard’ [-Wunused-result]
  136 |         file.open(QFile::ReadOnly);
      |         ~~~~~~~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/qt6/QtCore/qdir.h:11,
                 from /usr/include/qt6/QtCore/QDir:1,
                 from /var/pisi/kscreen-6.5.5-95/work/kscreen-6.5.5/console/console.cpp:11:
/usr/include/qt6/QtCore/qfile.h:291:32: note: declared here
  291 |     QFILE_MAYBE_NODISCARD bool open(OpenMode flags) override;
      |                                ^~~~
/var/pisi/kscreen-6.5.5-95/work/kscreen-6.5.5/console/console.cpp:151:22: warning: ignoring return value of ‘virtual bool QFile::open(QIODeviceBase::OpenMode)’, declared with attribute ‘nodiscard’ [-Wunused-result]
  151 |             file.open(QFile::ReadOnly);
      |             ~~~~~~~~~^~~~~~~~~~~~~~~~~
/usr/include/qt6/QtCore/qfile.h:291:32: note: declared here
  291 |     QFILE_MAYBE_NODISCARD bool open(OpenMode flags) override;
      |                                ^~~~