I am using Python 2.7.5 and have installed openmpi-1.8.4.
However when i try and build mpi4py-1.3.1 using *'$ python setup.py build'* in
terminal as outlined in the file*'docs/source/usrman/install.rst'*, i get
the error pasted in the text document attached. See below for the final few
lines for convenience:
*[... ld: warning: ignoring file _configtest.o, file was built for i386
which is not the architecture being linked (x86_64): _configtest.o*
* Undefined symbols for architecture x86_64:*
* "_main", referenced from:*
* implicit entry/start for main executable*
* ld: symbol(s) not found for architecture x86_64*
* collect2: error: ld returned 1 exit status*
* failure.*
* removing: _configtest.c _configtest.o*
* error: Cannot link MPI programs. Check your configuration!!! ]*
>From my google searches i believe it has something to do with using a 64
bit computer or potentially needing to specify that I'm using openmpi
rather than MPICH, etc.
Any advice would be greatly appreciated,
thanks in advance,
Gabriel Gassem
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localhost:mpi4py-1.3.1 ggassem$ python setup.py build
running build
running build_src
running build_py
running build_clib
MPI configuration: [mpi] from 'mpi.cfg'
MPI C compiler: /usr/local/bin/mpicc
MPI C++ compiler: /usr/local/bin/mpicxx
MPI F77 compiler: /usr/local/bin/mpif77
MPI F90 compiler: /usr/local/bin/mpif90
running build_ext
MPI configuration: [mpi] from 'mpi.cfg'
MPI C compiler: /usr/local/bin/mpicc
MPI C++ compiler: /usr/local/bin/mpicxx
MPI F77 compiler: /usr/local/bin/mpif77
MPI F90 compiler: /usr/local/bin/mpif90
checking for MPI compile and link ...
checking for header 'mpi.h' ...
/usr/local/bin/mpicc -arch x86_64 -arch i386 -pipe -fno-strict-aliasing
-fno-common -dynamic -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes
-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c
_configtest.c -o _configtest.o
success!
removing: _configtest.c _configtest.o
success!
/usr/local/bin/mpicc -arch x86_64 -arch i386 -pipe -fno-strict-aliasing
-fno-common -dynamic -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes
-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c
_configtest.c -o _configtest.o
success!
removing: _configtest.c _configtest.o
/usr/local/bin/mpicc -arch x86_64 -arch i386 -pipe -fno-strict-aliasing
-fno-common -dynamic -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes
-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c
_configtest.c -o _configtest.o
/usr/local/bin/mpicc _configtest.o -Lbuild/temp.macosx-10.9-intel-2.7 -o
_configtest
ld: warning: ignoring file _configtest.o, file was built for i386 which is not
the architecture being linked (x86_64): _configtest.o
Undefined symbols for architecture x86_64:
"_main", referenced from:
implicit entry/start for main executable
ld: symbol(s) not found for architecture x86_64
collect2: error: ld returned 1 exit status
failure.
removing: _configtest.c _configtest.o
error: Cannot link MPI programs. Check your configuration!!!
