Dockerfile_openmpi_v2_1_0
c32b5b9f3aa0master

Dockerfile_openmpi_v2_1_0
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			FROM centos:7.3.1611

			# get some tools to fetch & compile openmpi from source
			RUN yum -y install wget perl make gcc-c++

			# download and extract the openmpi sources
			RUN cd /usr/local/src && wget https://www.open-mpi.org/software/ompi/v2.1/downloads/openmpi-2.1.0.tar.gz
			RUN cd /usr/local/src && tar -xvzf openmpi-2.1.0.tar.gz

			# compile openmpi from source (this can take quite some time)
			RUN cd /usr/local/src/openmpi-2.1.0 && ./configure --prefix=/usr/lib64/openmpi-2.1.0
			RUN cd /usr/local/src/openmpi-2.1.0 && make
			RUN cd /usr/local/src/openmpi-2.1.0 && make install

			# specify the paths to the library
			ENV LD_LIBRARY_PATH /usr/lib64/openmpi-2.1.0/lib:$LD_LIBRARY_PATH
			ENV PATH /usr/lib64/openmpi-2.1.0/bin:/usr/lib/openmpi-2.1.0/1.4-gcc/bin/:$PATH

			# install additionnally required tools (avoids error messages that ssh is not found)
			RUN yum install -y openssh-server openssh-clients

			# create the directory where the executable will be stored
			RUN mkdir /mpi_hello_world

			# copy the source code
			COPY mpi_hello_world.c /mpi_hello_world/mpi_hello_world.c
			COPY getcpuid.c /mpi_hello_world/getcpuid.c
			COPY getcpuid.h /mpi_hello_world/getcpuid.h

			# go to the executable's directory and compile the sources
			RUN cd /mpi_hello_world && mpicc -std=c99 -o mpi_hello_world mpi_hello_world.c getcpuid.c

			ENTRYPOINT ["/bin/bash"]