fix order of FFTW libraries for laptop

CMakeLists.txt

@@ -97,10 +97,10 @@ include_directories(${FFTW_INCLUDE_DIRS})
 link_directories(${FFTW_LIBRARY_DIRS})
 
 # hack for FFTW MPI libs
-find_library(FFTW_MPI fftw3_mpi)
-list(APPEND BFPS_LIBS "${FFTW_MPI}")
 find_library(FFTWF_MPI fftw3f_mpi)
-list(APPEND BFPS_LIBS "${FFTWF_MPI}")
+set(BFPS_LIBS ${FFTWF_MPI} ${BFPS_LIBS})
+find_library(FFTW_MPI fftw3_mpi)
+set(BFPS_LIBS ${FFTW_MPI} ${BFPS_LIBS})
 
 
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