I am using Ubuntu 16.04 with intel mpi and there was no error warning during FFTW installation.
On Wed, 3 Jul 2019 at 15:33, Pavel Ondračka <pavel.ondra...@email.cz> wrote: > Maybe Gavin can clarify but I'm not actually sure if the instructions > in the mentioned email are 100% correct. FFTW there is compiled with > the default static libs (libfftw3.a and libfftw3_mpi.a), but the actual > -lfftw3 -lfftw3_mpi flags used for linking are for the dynamic library > (libfftw3.so and libfftw3_mpi.so). My guess is that it worked for Gavin > due to having another dynamic fftw somewhere in the path (e.g., the > system fftw libraries)? > > Anyway, if you can get libfftw3.a but not libfftw3_mpi.a even when you > pass --enable-mpi to fftw configure, there is likely some problem with > your MPI installation. Were there any warnings during fftw configure? > BTW on some distributions like Fedora, only installing openmpi or mpich > is not enough you must also load it to set all the paths properly (for > example on Fedora with "module load openmpi"). This is distribution > specific though. > > To get the dynamic library, just pass --enable-shared to fftw > configure, the Wien2k flags should work than (provided you can figure > out the missing mpi fftw lib). However I would highly recommend to get > the fftw from distribution repositories (something like libfftw3-mpi- > dev and libfftw3-dev package is needed, but specific package names vary > with distribution as well), unless you are on some enterprise systemwith > legacy fftw version. > > Best regards > Pavel > > On Wed, 2019-07-03 at 14:57 +0530, Riyajul Islam wrote: > > Hellow wien2k users, > > I am facing a problem in compiling FFTW in sitecofiguration. I have > > followed all the steps as in " > > > https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg18664.html > > ". But could nopt acces the > > "/home/username/fftw3/mpi/.libs/libfftw3_mpi.a" as in in mailing > > list. > > the current settings for FFTW is > > F FFTW options: -DFFTW3 -I/home/edison1/fftw3/include > > FFTW-LIBS: -L/home/edison1/fftw3/lib64 -lfftw3 > > FFTW-PLIBS: NOT FOUND! > > > > How can I solve this issue? > > > > Regards, > > Riyajul Islam > > _______________________________________________ > > Wien mailing list > > Wien@zeus.theochem.tuwien.ac.at > > http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien > > SEARCH the MAILING-LIST at: > > http://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/index.html > > _______________________________________________ > Wien mailing list > Wien@zeus.theochem.tuwien.ac.at > http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien > SEARCH the MAILING-LIST at: > http://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/index.html > -- Riyajul Islam Research Scholar National Institute of Technology Nagaland Chumukedima, Dimapur Nagaland 797103, India
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