OK, thanks for the explanation, I was not aware of this, therefore please ignore my previous emails, as they are completely wrong. Sorry for misleading the original poster.
Best regards Pavel On Mon, 2020-09-14 at 07:30 -0500, Laurence Marks wrote: > Linkers will by default (99.99% confidence) add ".so" to a name for > dynamic; if that is not present they will add ".a". Hence use of > -lfftw3 will pickup libfftw3.so or libfftw3.a. > > _____ > Professor Laurence Marks > "Research is to see what everybody else has seen, and to think what > nobody else has thought", Albert Szent-Gyorgi > www.numis.northwestern.edu > > On Mon, Sep 14, 2020, 07:26 Pavel Ondračka <[email protected]> > wrote: > > On Mon, 2020-09-14 at 06:08 -0600, Gavin Abo wrote: > > > See that "./configure --enable-mpi" was used. > > > > > > Of note, sometimes -gcc-sys is needed: > > > > > > > > https://urldefense.com/v3/__https://www.mail-archive.com/[email protected]/msg18664.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!E4g1pwAyAnEalyTRgC-3W-G9PjrnjQyeQ2rogzXFW466AhffGupbkMeeLTiuuS6IFBptXQ$ > > > > > > Out of interest I went through the link and I don't see how the > > linker > > can find/use the FFTW libraries. The FFTW_LIBS and FFTW_PLIBS > > clearly > > specify to link with the dynamic libraries: > > FFTW_OPT : -DFFTW3 -I/home/username/fftw3/include > > FFTW_LIBS : -L/home/username/fftw3/lib -lfftw3 > > FFTW_PLIBS : -lfftw3_mpi > > > > however the directory with FFTW contains only the static libraries: > > > > /home/username/fftw3/lib: > > total 2108 > > drwxr-xr-x 3 username username 4096 May 27 22:57 cmake > > -rw-r--r-- 1 username username 1933432 May 27 22:57 libfftw3.a > > -rwxr-xr-x 1 username username 893 May 27 22:57 libfftw3.la > > -rw-r--r-- 1 username username 201232 May 27 22:57 libfftw3_mpi.a > > -rwxr-xr-x 1 username username 939 May 27 22:57 libfftw3_mpi.la > > drwxr-xr-x 2 username username 4096 May 27 22:57 pkgconfig > > > > IMO this could work only under two lucky circumstances: > > either one has another libfftw3.so and libfftw3_mpi.so somewhere in > > the > > system path > > or it in fact doesn't link with the FFTW libs > > in /home/username/fftw3/lib but with the FFTW-compatible interface > > inside the MKL > > > > > On 9/13/2020 2:53 AM, Ilias Miroslav, doc. RNDr., PhD. wrote: > > > > Hello, > > > > > > > > to profit from parallelization, one has to install ELPA and the > > > > parallel version fftw library. > > > > > > > > For fftw library I used ./configure --enable-mpi, but Wien2k > > > > installator says "!!! WARNING: No MPI version of the FFTW > > library > > > > found!" But my installed fftw-3.3.8/lib > > > > contains also libfftw3_mpi.a . > > > > > > > > Any clues what is wrong ? Maybe it would be better to have > > defined > > > > environmental variables from ELPA, fftw ? > > > > > > > > Miro > > > > > > > > > _______________________________________________ > > > Wien mailing list > > > [email protected] > > > > > https://urldefense.com/v3/__http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien__;!!Dq0X2DkFhyF93HkjWTBQKhk!E4g1pwAyAnEalyTRgC-3W-G9PjrnjQyeQ2rogzXFW466AhffGupbkMeeLTiuuS7zBzN5wQ$ > > > > > SEARCH the MAILING-LIST at: > > > > > https://urldefense.com/v3/__http://www.mail-archive.com/[email protected]/index.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!E4g1pwAyAnEalyTRgC-3W-G9PjrnjQyeQ2rogzXFW466AhffGupbkMeeLTiuuS5KGygnKw$ > > > > > > _______________________________________________ > > Wien mailing list > > [email protected] > > https://urldefense.com/v3/__http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien__;!!Dq0X2DkFhyF93HkjWTBQKhk!E4g1pwAyAnEalyTRgC-3W-G9PjrnjQyeQ2rogzXFW466AhffGupbkMeeLTiuuS7zBzN5wQ$ > > > > SEARCH the MAILING-LIST at: > > https://urldefense.com/v3/__http://www.mail-archive.com/[email protected]/index.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!E4g1pwAyAnEalyTRgC-3W-G9PjrnjQyeQ2rogzXFW466AhffGupbkMeeLTiuuS5KGygnKw$ > > > > _______________________________________________ > Wien mailing list > [email protected] > http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien > SEARCH the MAILING-LIST at: > http://www.mail-archive.com/[email protected]/index.html _______________________________________________ Wien mailing list [email protected] http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien SEARCH the MAILING-LIST at: http://www.mail-archive.com/[email protected]/index.html
