102 lines
4.1 KiB
Markdown
102 lines
4.1 KiB
Markdown
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============
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[](https://travis-ci.org/LLNL/spack)
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[](https://codecov.io/gh/LLNL/spack)
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[](https://spack.readthedocs.io)
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Spack is a multi-platform package manager that builds and installs
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multiple versions and configurations of software. It works on Linux,
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macOS, and many supercomputers. Spack is non-destructive: installing a
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new version of a package does not break existing installations, so many
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configurations of the same package can coexist.
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Spack offers a simple "spec" syntax that allows users to specify versions
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and configuration options. Package files are written in pure Python, and
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specs allow package authors to write a single script for many different
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builds of the same package. With Spack, you can build your software
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*all* the ways you want to.
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See the
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[Feature Overview](http://spack.readthedocs.io/en/latest/features.html)
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for examples and highlights.
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To install spack and your first package, make sure you have Python.
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Then:
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$ git clone https://github.com/llnl/spack.git
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$ cd spack/bin
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$ ./spack install libelf
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Documentation
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----------------
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[**Full documentation**](http://spack.readthedocs.io/) for Spack is
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the first place to look.
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Try the
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[**Spack Tutorial**](http://spack.readthedocs.io/en/latest/tutorial.html),
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to learn how to use spack, write packages, or deploy packages for users
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at your site.
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See also:
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* [Technical paper](http://www.computer.org/csdl/proceedings/sc/2015/3723/00/2807623.pdf) and
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[slides](https://tgamblin.github.io/files/Gamblin-Spack-SC15-Talk.pdf) on Spack's design and implementation.
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* [Short presentation](https://tgamblin.github.io/files/Gamblin-Spack-Lightning-Talk-BOF-SC15.pdf) from the *Getting Scientific Software Installed* BOF session at Supercomputing 2015.
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Get Involved!
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------------------------
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Spack is an open source project. Questions, discussion, and
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contributions are welcome. Contributions can be anything from new
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packages to bugfixes, or even new core features.
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### Mailing list
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If you are interested in contributing to spack, the first step is to join
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the mailing list. We're Google Groups for this. Join here:
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* [Spack Google Group](https://groups.google.com/d/forum/spack)
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### Contributions
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Contributing to Spack is relatively easy. Just send us a
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[pull request](https://help.github.com/articles/using-pull-requests/).
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When you send your request, make ``develop`` the destination branch on the
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[Spack repository](https://github.com/LLNL/spack).
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Your PR must pass Spack's unit tests and documentation tests, and must be
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[PEP 8](https://www.python.org/dev/peps/pep-0008/) compliant. We enforce
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these guidelines with [Travis CI](https://travis-ci.org/LLNL/spack). To
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run these tests locally, and for helpful tips on git, see our
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[Contribution Guide](http://spack.readthedocs.io/en/latest/contribution_guide.html).
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Spack uses a rough approximation of the
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[Git Flow](http://nvie.com/posts/a-successful-git-branching-model/)
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branching model. The ``develop`` branch contains the latest
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contributions, and ``master`` is always tagged and points to the latest
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stable release.
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Authors
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----------------
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Many thanks go to Spack's [contributors](https://github.com/llnl/spack/graphs/contributors).
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Spack was created by Todd Gamblin, tgamblin@llnl.gov.
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### Citing Spack
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If you are referencing Spack in a publication, please cite the following paper:
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* Todd Gamblin, Matthew P. LeGendre, Michael R. Collette, Gregory L. Lee,
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Adam Moody, Bronis R. de Supinski, and W. Scott Futral.
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[**The Spack Package Manager: Bringing Order to HPC Software Chaos**](http://www.computer.org/csdl/proceedings/sc/2015/3723/00/2807623.pdf).
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In *Supercomputing 2015 (SC’15)*, Austin, Texas, November 15-20 2015. LLNL-CONF-669890.
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Release
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----------------
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Spack is released under an LGPL license. For more details see the
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LICENSE file.
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``LLNL-CODE-647188``
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