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Add installation instructions for Guix users
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README.md
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README.md
@ -76,6 +76,31 @@ sudo make installcheck
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```
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## Installation procedure for Guix users
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QMCkl can be installed with the [GNU Guix](https://guix.gnu.org) functional package manager.
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The [qmckl.scm](https://github.com/TREX-CoE/qmckl/blob/master/tools/qmckl.scm)
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Schema file contains the manifest specification for the `qmckl` installations.
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It can be installed within the selected `$GUIX_PROFILE` as follows:
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```
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guix package \
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--profile=$GUIX_PROFILE \
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--load-path=<path_to_trexio_scm> \
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--cores=<n_cores> \
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--install-from-file=qmckl.scm
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```
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where `<path_to_trexio_scm>` should point to a folder, which contains the TREXIO manifest file
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[trexio.scm](https://github.com/TREX-CoE/trexio/blob/master/tools/trexio.scm)
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(e.g. `~/trexio/tools/` if TREXIO repository was cloned under $HOME).
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Installation procedures for both development version (`qmckl-dev`)
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and stable releases (`qmckl-hpc`) are provided.
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One can switch between them using the return value (last line)
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in the `qmckl.scm` file.
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## Linking to your program
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The `make install` command takes care of installing the QMCkl shared library on the user machine.
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