# Versions of dependencies When the installer is used to build dependencies, it will build the following versions of the packages. :::{important} In some cases we have patched the libraries to address portability issues. The dependencies will be downloaded from . ::: * Autotools * m4 1.4.19 * autoconf 2.72 * automake 1.17 * libtool 2.5.3 * Gcc compiler * gcc/g++/gfortran 14.2.0 * mpc 1.3.1 * gmp 6.3.0 * mpfr 5.0.0 * MPI (select one) * MPICH 4.2.3 * OpenMPI 5.0.5 * Python * Python 3.12.7 * netCDF (Python) via pip * h5py via pip * numpy 1.26.4 * cftime via pip * General tools * OpenSSL 3.4.0 * libxcrypt 4.4.36 * libffi 3.7.0 * Curl 8.11.0 * Catch2 3.7.1 * PCRE 10.44 * SWIG 4.3.0 * SQLITE 3410200 * Proj 9.5.0 * HDF5 1.14.5 * NetCDF 4.9.2 * Cmake 3.31.0 * CIG tools * pythia 1.0.0 * spatialdata 2.0.0