shadowm@nanacore:~/src/wesnoth/build-cmake-clang$ make
[  0%] mo-update: Done.
[ 76%] Built target mo-update
[ 78%] Built target wesnoth-game
[ 78%] Built target wesnoth-revision_dummy
[ 78%] Built target wesnoth-revision
[ 80%] Built target wesnoth-core
[ 82%] Built target wesnoth-lua
[ 82%] Building CXX object src/CMakeFiles/wesnoth.dir/gui/auxiliary/event/dispatcher.cpp.o
In file included from /home/shadowm/src/wesnoth/src/gui/auxiliary/event/dispatcher.cpp:17:
/home/shadowm/src/wesnoth/src/gui/auxiliary/event/dispatcher_private.hpp:359:18: error: unused parameter 'event' [-Werror,-Wunused-parameter]
                  const tevent event
                               ^
/home/shadowm/src/wesnoth/src/gui/auxiliary/event/dispatcher_private.hpp:360:14: error: unused parameter 'dispatcher' [-Werror,-Wunused-parameter]
                , twidget* dispatcher
                           ^
/home/shadowm/src/wesnoth/src/gui/auxiliary/event/dispatcher_private.hpp:361:14: error: unused parameter 'widget' [-Werror,-Wunused-parameter]
                , twidget* widget)
                           ^
/home/shadowm/src/wesnoth/src/gui/auxiliary/event/dispatcher_private.hpp:400:14: error: unused parameter 'dispatcher' [-Werror,-Wunused-parameter]
                , twidget* dispatcher
                           ^
4 errors generated.
make[2]: *** [src/CMakeFiles/wesnoth.dir/gui/auxiliary/event/dispatcher.cpp.o] Error 1
make[1]: *** [src/CMakeFiles/wesnoth.dir/all] Error 2
make: *** [all] Error 2