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Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
University Research and Technology
Corporation. All rights reserved.
Copyright (c) 2004-2005 The University of Tennessee and The University
of Tennessee Research Foundation. All rights
reserved.
Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
University of Stuttgart. All rights reserved.
Copyright (c) 2004-2005 The Regents of the University of California.
All rights reserved.
$COPYRIGHT$
Additional copyrights may follow
$HEADER$
Developer Builds
================
If you have checked out a DEVELOPER'S COPY of Open MPI (i.e., you
checked out from subversion), you should read the HACKING file before
attempting to build Open MPI. You must also first run:
shell$ ./autogen.sh
You will need very recent versions of GNU Autoconf, Automake, and
Libtool. If autogen.sh fails, read the HACKING file.
User Builds
===========
Building Open MPI is typically a combination of running "configure"
and "make". Execute the following commands to install the Open MPI
system from within the directory at the top of the tree:
shell$ ./configure --prefix=/where/to/install
[...lots of output...]
shell$ make all install
If you need special access to install, then you can execute "make
all" as a user with write permissions in the build tree, and a
separate "make install" as a user with write permissions to the
install tree.
Compiling support for GM or enabling shared-memory support on selected
Power PC architectures require additional flags to configure. See the
README file for more details.
Note that VPATH builds are fully supported. For example:
shell$ gtar zxf openmpi-1.2.3.tar.gz
shell$ cd openmpi-1.2.3
shell$ mkdir build
shell$ cd build
shell$ ../configure ...
[...lots of output...]
shell$ make all install
Compiling MPI Applications
==========================
MPI applications should be compiled using the Open MPI "wrapper"
compilers:
C programs: mpicc your-code.c
C++ programs: mpiCC your-code.cc or
mpic++ your-code.cc (for case-insensitive filesystems)
F77 programs: mpif77 your-code.f
F90 programs: mpif90 your-code.f90
These compilers simply add various command line flags (such as -lmpi)
and invoke a back-end compiler; they are not compilers in themselves.
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