telepathyqt cmake error

CMake Error: The source directory "/home/samkit/ktp/src" does not appear to contain CMakeLists.txt.
Specify --help for usage, or press the help button on the CMake GUI.
samkit@sam-XPS-L502X:~/ktp/src/telepathyqt$ cd cmake
samkit@sam-XPS-L502X:~/ktp/src/telepathyqt/cmake$ cmake ..
CMake Error at cmake/modules/FindQt5.cmake:65 (FIND_PACKAGE):
  Could not find a package configuration file provided by "Qt5" with any of
  the following names:

    Qt5Config.cmake
    qt5-config.cmake

  Add the installation prefix of "Qt5" to CMAKE_PREFIX_PATH or set "Qt5_DIR"
  to a directory containing one of the above files.  If "Qt5" provides a
  separate development package or SDK, be sure it has been installed.
Call Stack (most recent call first):
  cmake/modules/FindQt.cmake:48 (INCLUDE)
  CMakeLists.txt:84 (find_package)


-- Configuring incomplete, errors occurred!