Fetching source from mirror: http://download.kde.org/stable/release-service/24.12.3/src/akonadi-contacts-24.12.3.tar.xz
CMake Warning at /usr/share/ECM/modules/ECMCheckOutboundLicense.cmake:86 (message):
  Reuse tool not found, skipping test generation
Call Stack (most recent call first):
  CMakeLists.txt:38 (include)


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

    CMAKE_LD_FLAGS
    ECM_MKSPECS_INSTALL_DIR


/var/pisi/akonadi-contacts-24.12.3-57/work/akonadi-contacts-24.12.3/serializers/akonadi_serializer_contactgroup.cpp: In member function ‘virtual void Akonadi::SerializerPluginContactGroup::serialize(const Akonadi::Item&, const QByteArray&, QIODevice&, int&)’:
/var/pisi/akonadi-contacts-24.12.3-57/work/akonadi-contacts-24.12.3/serializers/akonadi_serializer_contactgroup.cpp:49:46: warning: ignoring return value of ‘bool KContacts::ContactGroupTool::convertToXml(const KContacts::ContactGroup&, QIODevice*, QString*)’, declared with attribute ‘nodiscard’ [-Wunused-result]
   49 |     KContacts::ContactGroupTool::convertToXml(item.payload(), &data);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/KF6/KContacts/KContacts/ContactGroupTool:1,
                 from /var/pisi/akonadi-contacts-24.12.3-57/work/akonadi-contacts-24.12.3/serializers/akonadi_serializer_contactgroup.cpp:14:
/usr/include/KF6/KContacts/kcontacts/contactgrouptool.h:41:41: note: declared here
   41 | Q_REQUIRED_RESULT KCONTACTS_EXPORT bool convertToXml(const ContactGroup &group, QIODevice *device, QString *errorMessage = nullptr);
      |                                         ^~~~~~~~~~~~
*** 0 error(s), 1 warning(s)