Dear all,<br><br>Thank you for correct me. Even i checked with same version of MKL linker flags (11.1/038), i got same error <br><br>/home/gvacrc/fftw/fftw-2.1.5/mpi/.libs/libfftw_mpi.a(fftw_f77_mpi.o): In function `fftwnd_f77_mpi_create_plan_':<br>
fftw_f77_mpi.c:(.text+0xfd): undefined reference to `fftw_reverse_int_array'<br>fftw_f77_mpi.c:(.text+0x146): undefined reference to `fftw_reverse_int_array'<br>/home/gvacrc/fftw/fftw-2.1.5/mpi/.libs/libfftw_mpi.a(fftwnd_mpi.o): In function `fftwnd_mpi':<br>
fftwnd_mpi.c:(.text+0x9b): undefined reference to `fftwnd'<br>fftwnd_mpi.c:(.text+0x147): undefined reference to `fftw'<br>fftwnd_mpi.c:(.text+0x1c4): undefined reference to `fftwnd'<br>fftwnd_mpi.c:(.text+0x1fc): undefined reference to `fftw'<br>
/home/gvacrc/fftw/fftw-2.1.5/mpi/.libs/libfftw_mpi.a(fftwnd_mpi.o): In function `fftwnd_mpi_destroy_plan':<br>fftwnd_mpi.c:(.text+0x320): undefined reference to `fftwnd_destroy_plan'<br>/home/gvacrc/fftw/fftw-2.1.5/mpi/.libs/libfftw_mpi.a(fftwnd_mpi.o): In function `fftwnd_mpi_create_plan':<br>
fftwnd_mpi.c:(.text+0x3dd): undefined reference to `fftw_create_plan'<br>fftwnd_mpi.c:(.text+0x3f4): undefined reference to `fftwnd_create_plan'<br>/home/gvacrc/fftw/fftw-2.1.5/mpi/.libs/libfftw_mpi.a(fftw_mpi.o): In function `fftw_mpi':<br>
fftw_mpi.c:(.text+0x2da): undefined reference to `fftw'<br>fftw_mpi.c:(.text+0x378): undefined reference to `fftw'<br>fftw_mpi.c:(.text+0x418): undefined reference to `fftw'<br>fftw_mpi.c:(.text+0x4ab): undefined reference to `fftw'<br>
fftw_mpi.c:(.text+0x52c): undefined reference to `fftw'<br>/home/gvacrc/fftw/fftw-2.1.5/mpi/.libs/libfftw_mpi.a(fftw_mpi.o):fftw_mpi.c:(.text+0x585): more undefined references to `fftw' follow<br>/home/gvacrc/fftw/fftw-2.1.5/mpi/.libs/libfftw_mpi.a(fftw_mpi.o): In function `fftw_mpi_create_plan':<br>
fftw_mpi.c:(.text+0xac4): undefined reference to `fftw_create_plan'<br>fftw_mpi.c:(.text+0xad4): undefined reference to `fftw_create_plan'<br>make[1]: *** [lapw0_mpi] Error 1<br>make[1]: Leaving directory `/home/gvacrc/Wien2k/SRC_lapw0'<br>
make: *** [para] Error 2<br><br>Please make me correct path.<br><br>Thanks in advance<br><br>S.Appalakondaiah<br>