From: Jose Borreguero (borreguero_at_gmail.com)
Date: Mon Jan 26 2015 - 08:27:41 CST
After looking a bit more, it seems an environment problem when loading
module mvapich2-x86_64 in my cluster. Fortunately there's also module
openmpi-x86_64 and the compilation is working when loading this module. I
didn't solve the problem, just avoided it :)
On Mon, Jan 26, 2015 at 3:36 AM, Norman Geist <
norman.geist_at_uni-greifswald.de> wrote:
> Actually your wrapper „mpicxx“ should already pass through the correct
> link environment. Sometimes they are ASCII and can be edited. You might
> have changed the location of the mpi installation since you installed it or
> miss some environment variables the leads your mpi installation to its
> home.
>
>
>
> Norman Geist.
>
>
>
> *Von:* owner-namd-l_at_ks.uiuc.edu [mailto:owner-namd-l_at_ks.uiuc.edu] *Im
> Auftrag von *Jose Borreguero
> *Gesendet:* Samstag, 24. Januar 2015 18:49
> *An:* NAMD-l
> *Betreff:* namd-l: problems compiling NAMD with mpicxx from mvapich2
>
>
>
> Dear NAMD gurus,
>
> This is my problem when compiling NAMD on a Linux cluster:
>
> module load mvapich2-x86_64
>
> ....
> cd charm-6.4.0/
> env MPICXX=mpicxx ./build charm++ mpi-linux-amd64 --with-production
> ..
>
> checking "C++ compiler as"... "mpicxx -m64 -fPIC -DCMK_GFORTRAN
> -optimize -production "
> checking "whether C++ compiler works"... "ok"
> checking "C++ linker as"... "mpicxx -m64 -fPIC -DCMK_GFORTRAN "
> checking "whether linker works"... "no"
> *Cannot link C++ programs with mpicxx -m64 -fPIC -DCMK_GFORTRAN *
>
> The final lines of charm-6.4.0/mpi-linux-amd64/tmp/charmconfig.out:
>
> ### whether linker works
> #include <stdio.h>
> int main() {
> printf("Hello, world!\n");
> return 0;
> }
> mpicxx -m64 -fPIC -DCMK_GFORTRAN -I../include -I. -c test.cpp -o test.o
> mpicxx -m64 -fPIC -DCMK_GFORTRAN -o testlink test.o
> */usr/bin/ld: cannot find -lmpichcxx*
> collect2: ld returned 1 exit status
>
> It would seem a problem of not finding the mpichcxx libraries, however:
> $> echo $LD_LIBRARY_PATH
> /usr/lib64/mvapich2/lib
> $> ls /usr/lib64/mvapich2/lib/libmpichcxx*
> /usr/lib64/mvapich2/lib/libmpichcxx.so.3
> /usr/lib64/mvapich2/lib/libmpichcxx.so.3.3
>
> Please, any help is much appreciated.
> -Jose
>
>
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