Build Dependencies

openPMD-api depends on a series of third-party projects. These are currently:

Required

CMake 3.22.0+
C++17 capable compiler, e.g., g++ 7+, clang 7+, MSVC 19.15+, icpc 19+, icpx

Shipped internally

The following libraries are downloaded by CMake for convenience, unless openPMD_SUPERBUILD=OFF is set:

Catch2 2.13.10+ (BSL-1.0)
pybind11 2.13.0+ (new BSD)
NLohmann-JSON 3.9.1+ (MIT)
toml11 3.7.1+ (MIT)

Optional: I/O backends

JSON
HDF5 1.8.13+
ADIOS2 2.7.0+

while those can be build either with or without:

MPI 2.1+, e.g. OpenMPI 1.6.5+ or MPICH2

Optional: language bindings

Python:
- Python 3.8 - 3.13
- pybind11 2.13.0+
- numpy 1.15+
- mpi4py 2.1+ (optional, for MPI)
- pandas 1.0+ (optional, for dataframes)
- dask 2021+ (optional, for dask dataframes)
CUDA C++ (optional, currently used only in tests)

Quick Install with Spack

Quickly install all dependencies with a Spack anonymous environment. Go in the base directory and type:

spack env activate -d .
spack install