Error with libdbusmenu-qt

ponchale@easylabs:~/libdbusmenu-qt/build$ sudo cmake -DCMAKE_INSTALL_PREFIX=$KF5 -DCMAKE_PREFIX_PATH=$KF5 -DWITH_DOC:bool=OFF ..
-- Autodetecting Qt version to use
qmake: could not exec '/usr/lib/x86_64-linux-gnu/qt4/bin/qmake': No such file or directory
CMake Error at /usr/share/cmake-3.2/Modules/FindQt4.cmake:1326 (message):
  Found unsuitable Qt version "" from NOTFOUND, this code requires Qt 4.x
Call Stack (most recent call first):
  CMakeLists.txt:49 (find_package)


-- Configuring incomplete, errors occurred!
See also "/home/ponchale/libdbusmenu-qt/build/CMakeFiles/CMakeOutput.log".