build mpi from source

Author: pcarruscag

build/Dockerfile

@@ -4,6 +4,8 @@ LABEL org.opencontainers.image.source https://github.com/su2code/Docker-Builds
 
 ENV LANG C.UTF-8
 RUN ln -fs /usr/share/zoneinfo/UTC /etc/localtime
+
+# Install dependencies (NO openmpi from apt)
 RUN DEBIAN_FRONTEND=noninteractive apt update && apt install -y \
     apt-utils \
     python3 \
@@ -14,22 +16,47 @@ RUN DEBIAN_FRONTEND=noninteractive apt update && apt install -y \
     cmake \
     python3-numpy \
     python3-scipy \
-    python3-mpi4py \
     swig \
-    libopenmpi-dev \
     libopenblas-dev \
-    openmpi-bin \
     ccache \
     petsc-dev \
     python3-petsc4py \
     python3-rtree \
+    wget \
+    ca-certificates \
+    libhwloc-dev \
+    libevent-dev \
+    flex \
+    bison \
  && rm -rf /var/lib/apt/lists/* \
  && update-alternatives --install /usr/bin/python python /usr/bin/python3 10 \
  && /usr/sbin/update-ccache-symlinks \
  && echo 'export PATH="/usr/lib/ccache:$PATH"' | tee -a ~/.bashrc
 
-# Copies your code file from your action repository to the filesystem path `/` of the container
-COPY compileSU2.sh /compileSU2.sh
+# ---- Build OpenMPI 5 from source ----
+WORKDIR /tmp
+
+RUN wget https://download.open-mpi.org/release/open-mpi/v5.0/openmpi-5.0.5.tar.gz \
+ && tar -xzf openmpi-5.0.5.tar.gz \
+ && cd openmpi-5.0.5 \
+ && ./configure \
+      --prefix=/opt/openmpi \
+      --enable-mpi-cxx \
+      --with-hwloc \
+      --with-libevent \
+ && make -j$(nproc) \
+ && make install \
+ && ldconfig \
+ && rm -rf /tmp/openmpi-5.0.5*
+
+# Environment for OpenMPI
+ENV PATH="/opt/openmpi/bin:$PATH"
+ENV LD_LIBRARY_PATH="/opt/openmpi/lib:$LD_LIBRARY_PATH"
+
+# Reinstall mpi4py against this MPI
+RUN pip3 install --no-cache-dir --force-reinstall mpi4py
 
 # Code file to execute when the docker container starts up (`entrypoint.sh`)
+COPY compileSU2.sh /compileSU2.sh
+
 ENTRYPOINT ["/compileSU2.sh"]