I was trying to install gromacs for which cmake is required. CMake installation have been done and no problem was shown in there. But when I tried to run this command

cmake .. -DGMX_BUILD_OWN_FFTW=ON

the following error is showing... Please help me to solve this issue...

CMake Error at CMakeLists.txt:55 (include):
  include could not find load file:

    gmxBuildTreeInfo


CMake Error at CMakeLists.txt:56 (include):
  include could not find load file:

    gmxVersionInfo


CMake Error at CMakeLists.txt:65 (include):
  include could not find load file:

    gmxBuildTypeReference


CMake Error at CMakeLists.txt:66 (include):
  include could not find load file:

    gmxBuildTypeProfile


CMake Error at CMakeLists.txt:67 (include):
  include could not find load file:

    gmxBuildTypeTSAN


CMake Error at CMakeLists.txt:68 (include):
  include could not find load file:

    gmxBuildTypeASAN


CMake Error at CMakeLists.txt:69 (include):
  include could not find load file:

    gmxBuildTypeMSAN


CMake Error at CMakeLists.txt:70 (include):
  include could not find load file:

    gmxBuildTypeReleaseWithAssert


CMake Error at CMakeLists.txt:102 (include):
  include could not find load file:

    gmxCPackUtilities


CMake Error at CMakeLists.txt:103 (gmx_cpack_init):
  Unknown CMake command "gmx_cpack_init".


-- Configuring incomplete, errors occurred!
See also "/home/prachi/software/gromacs/gromacs-2016-beta2/build/CMakeFiles/CMakeOutput.log".