bs$ /Applications/CMake.app/Contents/bin/cmake ~/qca/
-- Could NOT find Doxygen (missing:  DOXYGEN_EXECUTABLE)
CMake Error at /Applications/CMake.app/Contents/share/cmake-3.7/Modules/FindQt4.cmake:1318 (message):
  Found unsuitable Qt version "" from NOTFOUND, this code requires Qt 4.x
Call Stack (most recent call first):
  CMakeLists.txt:71 (find_package)


-- Configuring incomplete, errors occurred!
See also "/Users/bs/qca/CMakeFiles/CMakeOutput.log".