dependencies.rst

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 2.9.0+

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 3.10 - 3.14
  • 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