initial upload

install_mpi_and_hdf5_local_clang.sh

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+#!/bin/bash
+
+# compile and install hdf5 parallel on linux (tested only on ubuntu 22.04)
+
+# every file will be placed in external_libs
+cd ./external_libs
+
+# make a local install pass
+mkdir local_mpi_hdf5_clang
+
+# download hdf5 source
+wget https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-1.13/hdf5-1.13.2/src/hdf5-1.13.2.tar.gz
+
+#Extract the downloaded directory
+tar -xvf hdf5-1.13.2.tar.gz
+cd hdf5-1.13.2
+./autogen.sh
+
+# Configure the code. (the pathes to mpicc, mpicxx should vary on the environment)
+OMPI_CXX=clang++  OMPI_MPICC=clang \
+CC=mpicc CXX=mpicxx \
+CFLAGS="-stdlib=libc++ -rtlib=compiler-rt -unwindlib=libgcc" CXXFLAGS="-stdlib=libc++ -rtlib=compiler-rt -unwindlib=libgcc" \
+./configure --enable-parallel --enable-unsupported --enable-shared --enable-cxx --prefix=$(pwd)/../local_mpi_hdf5_clang
+
+# make
+OMPI_CXX=clang++  OMPI_MPICC=clang make -j16 && make install
+
+# now openmpi and hdf5 executables are in external_libs/local_mpi_hdf5/bin
+# cmake command would be something like this:
+#OMPI_CXX=clang++ OMPI_MPICC=clang CC=clang CXX=clang++ cmake .. -DUSE_CUDA=True -DCMAKE_PREFIX_PATH=./../external_libs/local_mpi_hdf5_clang