message: Only mpfr is a list
diff: @@ -16,11 +16,9 @@ endfunction( add_GUDHI_PYTHON_lib )
  function( add_GUDHI_PYTHON_lib_dir THE_LIB_DIR )
  # deals when it is not set - error on windows
  - foreach(LIB_DIR ${THE_LIB_DIR})
  if(EXISTS ${LIB_DIR})
  set(GUDHI_PYTHON_LIBRARY_DIRS "${GUDHI_PYTHON_LIBRARY_DIRS}'${LIB_DIR}', ")
  endif(EXISTS ${LIB_DIR})
  - endforeach()
  endfunction( add_GUDHI_PYTHON_lib_dir )
  # THE_TEST is the python test file name (without .py extension) containing tests functions
  @@ -192,7 +190,9 @@ if(PYTHONINTERP_FOUND)
  if(MPFR_FOUND)
  add_gudhi_debug_info("MPFR_LIBRARIES = ${MPFR_LIBRARIES}")
  set(GUDHI_PYTHON_EXTRA_COMPILE_ARGS "${GUDHI_PYTHON_EXTRA_COMPILE_ARGS}'-DCGAL_USE_MPFR', ")
  - add_GUDHI_PYTHON_lib("${MPFR_LIBRARIES}")
  + foreach(MPFR_LIB ${MPFR_LIBRARIES})
  + add_GUDHI_PYTHON_lib("${MPFR_LIB}")
  + endforeach()
  # In case CGAL is not header only, all MPFR variables are set except MPFR_LIBRARIES_DIR - Just set it
  if(NOT MPFR_LIBRARIES_DIR)
  get_filename_component(MPFR_LIBRARIES_DIR ${MPFR_LIBRARIES} PATH)
  