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apply suggested improvements and clarifications

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This commit is contained in:
Axel Kohlmeyer
2021-03-03 21:27:05 -05:00
parent 26086e04a5
commit 897c337e1c
2 changed files with 14 additions and 12 deletions
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2
cmake/CMakeLists.txt
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@ -32,7 +32,7 @@ endif()
# If enabled, no need to use LD_LIBRARY_PATH / DYLD_LIBRARY_PATH when installed
option(LAMMPS_INSTALL_RPATH "Set runtime path for shared libraries linked to LAMMPS binaries" OFF)
if (LAMMPS_INSTALL_RPATH)
set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_FULL_LIBDIR})
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH ON)
endif()

24
doc/src/Build_basics.rst
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@ -526,17 +526,19 @@ you want to copy files to is protected.
make # perform make after CMake command
make install # perform the installation into prefix
By default CMake will remove any runtime path settings for shared
libraries so you may have to set or modify the ``LD_LIBRARY_PATH``
(or ``DYLD_LIBRARY_PATH``) environment variable, if you are installing
into a non-system location. If you set the CMake variable
``LAMMPS_INSTALL_RPATH`` to ``on``, however, the paths for any
linked shared libraries and the library installation folder for the
LAMMPS library will be embedded and thus avoiding the requirement
to set environment variables to find shared libraries. The ``off``
setting is usually preferred for packaged binaries or when setting
up environment modules, the ``on`` setting is more convenient for
installation into a non-system or personal folder.
During the installation process CMake will by default remove any runtime
path settings for loading shared libraries. Because of this you may
have to set or modify the ``LD_LIBRARY_PATH`` (or ``DYLD_LIBRARY_PATH``)
environment variable, if you are installing LAMMPS into a non-system
location and/or are linking to libraries in a non-system location that
depend on such runtime path settings.
As an alternative you may set the CMake variable ``LAMMPS_INSTALL_RPATH``
to ``on`` and then the runtime paths for any linked shared libraries
and the library installation folder for the LAMMPS library will be
embedded and thus the requirement to set environment variables is avoided.
The ``off`` setting is usually preferred for packaged binaries or when
setting up environment modules, the ``on`` setting is more convenient
for installing software into a non-system or personal folder.
.. tab:: Traditional make