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README.md
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@ -80,14 +80,28 @@ Note that both parallel (see `mpi_openmpi` prefix) and serial (`nompi`) variants
## Installation procedure for Guix users
The official releases of TREXIO `>=2.0.0` can be installed using the
[GNU Guix](https://guix.gnu.org)
functional package manager.
The [tools/trexio.scm](https://github.com/TREX-CoE/trexio/blob/master/tools/trexio.scm)
[GNU Guix](https://guix.gnu.org) functional package manager.
The [trexio.scm](https://github.com/TREX-CoE/trexio/blob/master/tools/trexio.scm)
Schema file contains the manifest specification for the `trexio` package.
It can be installed within the selected `$GUIX_PROFILE` as follows:
```
guix package --profile=$GUIX_PROFILE --install-from-file=trexio.scm
guix package \
--profile=$GUIX_PROFILE \
--cores=<n_cores> \
--install-from-file=trexio.scm
```
## Installation procedure for Spack users
The official releases `>=2.0.0` and the development version of TREXIO can be installed using the
[Spack](https://spack.io/) package manager.
The [trexio/package.py](https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/trexio/package.py)
file contains the Spack specifications required to build different variants of `trexio` library.
It can be installed as follows
```
spack install --jobs <n_cores> trexio
```
## Compilation without the HDF5 library