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Quelle install.rst
Sprache: unbekannt
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.. |libsemigroups-version| replace:: 2.7.4
.. _Installation:
Installation
============
Installing with conda
---------------------
This installation method assumes that you have anaconda or miniconda installed.
See the `getting started`_ and `miniconda download page`_ on the conda_
website.
.. _getting started: http://bit.ly/33B0Vfs
.. _miniconda download page: https://conda.io/miniconda.html
.. _conda: https://conda.io/
Activate the `conda-forge <https://conda-forge.github.io/>`__ package
repository:
::
conda config --add channels conda-forge
Install ``libsemigroups``:
::
conda install libsemigroups
From the sources
----------------
Building ``libsemigroups`` from the source files requires a C++ compiler
supporting the C++14 standard, ``autoconf``, and ``automake``.
Building the documentation from source has some additional requirements that
are detailed `here <Building the documentation from source>`_.
From the github repo
~~~~~~~~~~~~~~~~~~~~
To build ``libsemigroups`` from the github repository:
::
git clone https://github.com/libsemigroups/libsemigroups
cd libsemigroups
./autogen.sh && ./configure && make -j8 && sudo make install
From a release archive
~~~~~~~~~~~~~~~~~~~~~~
To build ``libsemigroups`` from a release archive:
.. parsed-literal::
curl -L -O https://github.com/libsemigroups/libsemigroups/releases/latest/download/libsemigroups-|libsemigroups-version|.tar.gz
tar -xf libsemigroups-|libsemigroups-version|.tar.gz
rm -f libsemigroups-|libsemigroups-version|.tar.gz
cd libsemigroups-|libsemigroups-version|
./configure && make -j8 && sudo make install
Docker
~~~~~~
If you have Docker_ installed, you can download an `x86 docker image`_ for
``libsemigroups`` as follows:
.. parsed-literal::
docker pull libsemigroups/libsemigroups-docker
or an `arm docker image`_ as follows
.. parsed-literal::
docker pull libsemigroups/libsemigroups-docker-arm
and run it by doing
.. parsed-literal::
docker run --rm -it libsemigroups/libsemigroups-docker
docker run --rm -it libsemigroups/libsemigroups-docker-arm
If you want to use a specific version of ``libsemigroups``, then use:
.. parsed-literal::
docker pull libsemigroups/libsemigroups-docker:version-1.0.9
docker run --rm -it libsemigroups/libsemigroups-docker:version-1.0.9
or, for the latest version, use:
.. parsed-literal::
docker pull libsemigroups/libsemigroups-docker:latest
docker run --rm -it libsemigroups/libsemigroups-docker:latest
.. _Docker: https://www.docker.com
.. _x86 docker image: https://hub.docker.com/repository/docker/libsemigroups/libsemigroups-docker
.. _arm docker image: https://hub.docker.com/repository/docker/libsemigroups/libsemigroups-docker-arm
Configuration options
---------------------
In addition to the usual ``autoconf`` configuration options, the following
configuration options are available for ``libsemigroups``:
========================== ==================================================
Option
-------------------------- --------------------------------------------------
--enable-code-coverage enable code coverage support (default=no)
--enable-compile-warnings enable compiler warnings (default=no)
--enable-debug enable debug mode (default=no)
--enable-eigen enable ``eigen`` (default=yes)
--enable-fmt enable fmt (default=no)
--enable-hpcombi enable ``HPCombi`` (default=yes)
--enable-stats enable statistics mode in :cpp:any:`ToddCoxeter` (default=yes)
--enable-verbose enable verbose mode (default=no)
--with-external-fmt do not use the included copy of fmt (default=no)
--with-external-eigen do not use the included copy of eigen (default=no)
--disable-popcnt do not use __builtin_popcountl (default=yes)
--disable-clzll do not use __builtin_ctzll (default=yes)
========================== ==================================================
Debug mode and verbose mode significantly degrade the performance of
``libsemigroups``. Compiling with ``fmt`` enabled increases build times
significantly. Note that the flags ``--enable-fmt`` and ``--with-external-fmt``
are independent of each other, and so both flags should be included to enable
``fmt`` and use an external ``fmt``.
Make install
------------
By default, ``make install`` installs the library and its ``pkg-config``
configuration into ``/usr/local``. One can also specify another install
location, say, ``/foo/bar``, by calling ``./configure`` with parameter
``--prefix``, e.g. \ ``./configure --prefix=/foo/bar``. This might be
useful if ``sudo`` is not available.
If you have ``pkg-config`` installed, it may be called to get
``libsemigroups``\ ’s version, location, etc (see its docs for details;
this facility is used in GAP package Semigroups, which may be configured
to use the external ``libsemigroups``). For example,
::
pkg-config --modversion libsemigroups
will print the version of the installed ``libsemigroups``, provided it is
scanning configurations in the install location. For installation
location unknown to ``pkg-config``, one needs to add it to
``PKG_CONFIG_PATH`` (an environment variable). E.g. if it is
``/foo/bar`` as above then
::
PKG_CONFIG_PATH=/foo/bar/lib/pkgconfig pkg-config --modversion libsemigroups
will print the version of the installed ``libsemigroups``. (As usual,
``PKG_CONFIG_PATH`` may be exported, added to shell configuration, etc.)
Building the documentation
--------------------------
The following are required to be able to build the documentation:
1. ``python3``
2. ``doxygen``
3. the python packages: ``sphinx bs4 lxml breathe pyyaml sphinx_rtd_theme sphinx_copybutton sphinxcontrib-bibtex``
Assuming you already have ``python3`` install, on Mac OSX you can install all of
the above by doing:
::
brew install doxygen sphinx
pip3 install -r docs/requirements.txt
.. TODO add ubuntu instructions
Then it ought to be possible to just run ``make doc`` in the ``libsemigroups``
directory.
Issues
------
If you find any problems with ``libsemigroups``, or have any suggestions for
features that you’d like to see, please use the `issue
tracker <https://github.com/libsemigroups/libsemigroups/issues>`__.
[ Dauer der Verarbeitung: 0.5 Sekunden
(vorverarbeitet)
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2026-03-28
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