`cmake --build build                                                                                                                 2   qt6 
[  0%] Automatic MOC for target kdsingleapplication
[  0%] Built target kdsingleapplication_autogen
[  1%] Built target kdsingleapplication
[  1%] Automatic MOC for target calamares
[  1%] Built target calamares_autogen
[  2%] Building CXX object src/libcalamares/CMakeFiles/calamares.dir/calamares_autogen/mocs_compilation.cpp.o
In file included from /home/anke/dev/calamares/qt6/calamares/build/src/libcalamares/calamares_autogen/EWIEGA46WW/../../../../../src/libcalamares/CppJob.h:18,
                 from /home/anke/dev/calamares/qt6/calamares/build/src/libcalamares/calamares_autogen/EWIEGA46WW/moc_CppJob.cpp:9,
                 from /home/anke/dev/calamares/qt6/calamares/build/src/libcalamares/calamares_autogen/mocs_compilation.cpp:2:
/home/anke/dev/calamares/qt6/calamares/build/src/libcalamares/calamares_autogen/EWIEGA46WW/../../../../../src/libcalamares/modulesystem/InstanceKey.h: In constructor ‘Calamares::ModuleSystem::InstanceKey::InstanceKey(const QString&, const QString&)’:
/home/anke/dev/calamares/qt6/calamares/build/src/libcalamares/calamares_autogen/EWIEGA46WW/../../../../../src/libcalamares/modulesystem/InstanceKey.h:42:20: error: expected class-name before ‘(’ token
   42 |         : std::pair( module, id )
      |                    ^
/home/anke/dev/calamares/qt6/calamares/build/src/libcalamares/calamares_autogen/EWIEGA46WW/../../../../../src/libcalamares/modulesystem/InstanceKey.h:42:20: error: expected ‘{’ before ‘(’ token
/home/anke/dev/calamares/qt6/calamares/build/src/libcalamares/calamares_autogen/EWIEGA46WW/../../../../../src/libcalamares/modulesystem/InstanceKey.h: In constructor ‘Calamares::ModuleSystem::InstanceKey::InstanceKey()’:
/home/anke/dev/calamares/qt6/calamares/build/src/libcalamares/calamares_autogen/EWIEGA46WW/../../../../../src/libcalamares/modulesystem/InstanceKey.h:53:20: error: expected class-name before ‘(’ token
   53 |         : std::pair( QString(), QString() )
      |                    ^
/home/anke/dev/calamares/qt6/calamares/build/src/libcalamares/calamares_autogen/EWIEGA46WW/../../../../../src/libcalamares/modulesystem/InstanceKey.h:53:20: error: expected ‘{’ before ‘(’ token
make[2]: *** [src/libcalamares/CMakeFiles/calamares.dir/build.make:76: src/libcalamares/CMakeFiles/calamares.dir/calamares_autogen/mocs_compilation.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:1557: src/libcalamares/CMakeFiles/calamares.dir/all] Error 2
make: *** [Makefile:166: all] Error 2
`