Hello,
I believe that you are trying to use mpich, not openmpi (libmpich.a).
Personnally, I've compiling HPCC on AIX IBM with OpenMPI with theses lines:
# ----------------------------------------------------------------------
# - Message Passing library (MPI) --------------------------------------
# ----------------------------------------------------------------------
# MPinc tells the C compiler where to find the Message Passing library
# header files, MPlib is defined to be the name of the library to be
# used. The variable MPdir is only used for defining MPinc and MPlib.
#
MPdir =
MPinc =
MPlib =
...
CC = mpicc
LINKER = mpicc
But, in my environnment variable $PATH, I've the directory where OpenMPI
executables are: /****/openmpi/bin
I hope I could help you...
Regards
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Eric Thibodeau a écrit :
Hello all,
As we all know, compiling OpenMPI is not a matter of adding -lmpi
(http://www.open-mpi.org/faq/?category=mpi-apps). I have tried many different
approaches on configuring the 3 crucial MPI lines in the HPCC Makefiles with no
success. There seems to be no correct way to get mpicc --shome:* to return the
correct info and forcing the correct paths/info seems to be incorrect (ie, what
OpenMPI lib do I point to here: MPlib = $(MPdir)/lib/libmpich.a)
Any help would be greatly appreciated!
Exerp from the Makefile:
# ----------------------------------------------------------------------
# - Message Passing library (MPI) --------------------------------------
# ----------------------------------------------------------------------
# MPinc tells the C compiler where to find the Message Passing library
# header files, MPlib is defined to be the name of the library to be
# used. The variable MPdir is only used for defining MPinc and MPlib.
#
MPdir = /usr/local/mpi
MPinc = -I$(MPdir)/include
MPlib = $(MPdir)/lib/libmpich.a
