[gmx-users] installation error : mpi compiler not found

[vansh]

while installing gromacs ..i gave following command:

 cmake .. -DGMX_GPU=ON -DGMX_MPI=ON
-DCMAKE_INSTALL_PREFIX=/home/marydoe/programs

to build with GPUs, MPI and install in a custom location.



error :
CMake Warning at cmake/gmxGetCompilerInfo.cmake:90 (message):
  The version of the C and C++ compilers does not match.  Note that mixing
  different C/C++ compilers can cause problems!
Call Stack (most recent call first):
  CMakeLists.txt:240 (get_compiler_version)


-- Could NOT find MPI_C (missing:  MPI_C_LIBRARIES MPI_C_INCLUDE_PATH) 
-- Could NOT find MPI_CXX (missing:  MPI_CXX_LIBRARIES MPI_CXX_INCLUDE_PATH) 
CMake Error at cmake/gmxManageMPI.cmake:161 (message):
  MPI support requested, but no MPI compiler found.  Either set the
  C-compiler (CMAKE_C_COMPILER) to the MPI compiler (often called mpicc), or
  set the variables reported missing for MPI_C above.
Call Stack (most recent call first):
  CMakeLists.txt:507 (include)


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thanks in advance :)
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