[hare] The Hare programming language
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README.md (4044B)

      1 # The Hare programming language
      3 Hare is a systems programming language.
      5 ## Build status
      7 <dl>
      8   <dt>Linux (x86_64)</dt><dd><a href="https://builds.sr.ht/~sircmpwn/hare/commits/master/alpine.yml"><img src="https://builds.sr.ht/~sircmpwn/hare/commits/master/alpine.yml.svg" alt="Build status for Linux" /></a></dd>
      9   <dt>FreeBSD (x86_64)</dt><dd><a href="https://builds.sr.ht/~sircmpwn/hare/commits/master/freebsd.yml"><img src="https://builds.sr.ht/~sircmpwn/hare/commits/master/freebsd.yml.svg" alt="Build status for FreeBSD" /></a></dd>
     10 </dl>
     12 ## Installation
     14 For information about bootstrapping a working Hare toolchain from scratch, see
     15 [Hare Installation][5] on the website.
     17 [5]: https://harelang.org/installation/
     19 ## Contributing
     21 All contributors are required to "sign-off" their commits (using `git commit
     22 -s`) to indicate that they have agreed to the [Developer Certificate of
     23 Origin][dco], reproduced below.
     25 [dco]: https://developercertificate.org/
     27 ```
     28 Developer Certificate of Origin
     29 Version 1.1
     31 Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
     32 1 Letterman Drive
     33 Suite D4700
     34 San Francisco, CA, 94129
     36 Everyone is permitted to copy and distribute verbatim copies of this
     37 license document, but changing it is not allowed.
     40 Developer's Certificate of Origin 1.1
     42 By making a contribution to this project, I certify that:
     44 (a) The contribution was created in whole or in part by me and I
     45     have the right to submit it under the open source license
     46     indicated in the file; or
     48 (b) The contribution is based upon previous work that, to the best
     49     of my knowledge, is covered under an appropriate open source
     50     license and I have the right under that license to submit that
     51     work with modifications, whether created in whole or in part
     52     by me, under the same open source license (unless I am
     53     permitted to submit under a different license), as indicated
     54     in the file; or
     56 (c) The contribution was provided directly to me by some other
     57     person who certified (a), (b) or (c) and I have not modified
     58     it.
     60 (d) I understand and agree that this project and the contribution
     61     are public and that a record of the contribution (including all
     62     personal information I submit with it, including my sign-off) is
     63     maintained indefinitely and may be redistributed consistent with
     64     this project or the open source license(s) involved.
     65 ```
     67 Please [send patches](https://git-send-email.io) to the [hare-dev][hare-dev]
     68 mailing list to send your changes upstream.
     70 [hare-dev]: https://lists.sr.ht/~sircmpwn/hare-dev
     72 ## Licensing
     74 We are not your lawyer, but here is a simple explanation of the intention behind
     75 the Hare licenses.
     77 The Hare standard library is available under the terms of the Mozilla Public
     78 License (MPL). You can freely link to the standard library with software
     79 distributed under any license, but if you modify the standard library, you must
     80 release your derivative works under the MPL as well.
     82 The executables - the build driver, hare, and the compiler, harec, are available
     83 under the GPL 3.0 (but *not* any later version). This permits free use and
     84 redistribution, but any changes to it require you to share the derivative work
     85 under the terms of the GPL. It is stricter than the MPL; if you link to the
     86 compiler or build driver code from a third-party program it will require you to
     87 release the third-party code as well.
     89 In short, you can write programs in Hare which use the standard library and
     90 distribute those programs under any terms you wish. However, if you modify Hare
     91 itself, you must share your changes as well.
     93 The Hare specification is licensed much more strictly: CC-BY-ND. This license
     94 allows free redistribution of the document, but prohibits derivative works
     95 entirely. The purpose is to prevent the proliferation of vendor extensions to
     96 the language itself. However, these terms only apply to the specification
     97 itself: if you use the specification to write an implementation of the Hare
     98 language, you are not restricted in how you license your work.