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document DOWNLOAD_POTENTIALS with CMake

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Axel Kohlmeyer
2025-03-18 19:49:04 -04:00
parent 69881baa0c
commit d02e26d3ba
2 changed files with 24 additions and 4 deletions
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26
doc/src/Build_settings.rst
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@ -13,7 +13,8 @@ explains how to do this for building both with CMake and make.
* `Size of LAMMPS integer types and size limits`_
* `Read or write compressed files`_
* `Output of JPEG, PNG, and movie files`_ via the :doc:`dump image <dump_image>` or :doc:`dump movie <dump_image>` commands
* `Support for downloading files`_
* `Support for downloading files from the input`_
* `Prevent download of large potential files`_
* `Memory allocation alignment`_
* `Workaround for long long integers`_
* `Exception handling when using LAMMPS as a library`_ to capture errors
@ -509,8 +510,8 @@ during a run.
.. _libcurl:
Support for downloading files
-----------------------------
Support for downloading files from the input
--------------------------------------------
.. versionadded:: 29Aug2024
@ -553,6 +554,25 @@ LAMMPS is compiled accordingly which needs the following settings:
----------
.. _download_pot:
Prevent download of large potential files
-----------------------------------------
.. versionadded:: 8Feb2023
LAMMPS bundles a selection of potential files in the ``potentials``
folder as examples of how those kinds of potential files look like and
for use with the provided input examples in the ``examples`` tree. To
keep the size of the distributed LAMMPS source package small, very large
potential files (> 5 MByte) are not bundled, but only downloaded on
demand when the :doc:`corresponding package <Package_list>` is
installed. This automatic download can be prevented when :doc:`building
LAMMPS with CMake <Build_cmake>` by adding the setting `-D
DOWNLOAD_POTENTIALS=off` when configuring.
----------
.. _align:
Memory allocation alignment

2
doc/src/Tools.rst
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@ -930,7 +930,7 @@ dependencies and redirects the download to the local cache.
mkdir build
cd build
cmake -D LAMMPS_DOWNLOADS_URL=${HTTP_CACHE_URL} -C "${LAMMPS_HTTP_CACHE_CONFIG}" -C ../cmake/presets/most.cmake ../cmake
cmake -D LAMMPS_DOWNLOADS_URL=${HTTP_CACHE_URL} -C "${LAMMPS_HTTP_CACHE_CONFIG}" -C ../cmake/presets/most.cmake -D DOWNLOAD_POTENTIALS=off ../cmake
make -j 8
deactivate_caches