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<p align="center">
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<img src="https://mesonbuild.com/assets/images/meson_logo.png">
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</p>
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Meson® is a project to create the best possible next-generation
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build system.
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#### Status
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[](https://pypi.python.org/pypi/meson)
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[](https://dev.azure.com/jussi0947/jussi/_build/latest?definitionId=1)
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[](https://codecov.io/gh/mesonbuild/meson/branch/master)
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[](https://lgtm.com/projects/g/mesonbuild/meson/context:python)
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[](https://lgtm.com/projects/g/mesonbuild/meson/alerts)
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#### Dependencies
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- [Python](https://python.org) (version 3.7 or newer)
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- [Ninja](https://ninja-build.org) (version 1.8.2 or newer)
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#### Installing from source
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Meson is available on [PyPi](https://pypi.python.org/pypi/meson), so
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it can be installed with `pip3 install meson`. The exact command to
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type to install with `pip` can vary between systems, be sure to use
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the Python 3 version of `pip`.
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If you wish you can install it locally with the standard Python command:
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```console
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python3 -m pip install meson
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```
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For builds using Ninja, Ninja can be downloaded directly from Ninja
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[GitHub release page](https://github.com/ninja-build/ninja/releases)
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or via [PyPi](https://pypi.python.org/pypi/ninja)
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```console
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python3 -m pip install ninja
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```
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More on Installing Meson build can be found at the
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[getting meson page](https://mesonbuild.com/Getting-meson.html).
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#### Creating a standalone script
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Meson can be run as a [Python zip
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app](https://docs.python.org/3/library/zipapp.html). To generate the
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executable run the following command:
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./packaging/create_zipapp.py --outfile meson.pyz --interpreter '/usr/bin/env python3' <source checkout>
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#### Running
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Meson requires that you have a source directory and a build directory
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and that these two are different. In your source root must exist a
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file called `meson.build`. To generate the build system run this
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command:
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`meson setup <source directory> <build directory>`
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Depending on how you obtained Meson the command might also be called
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`meson.py` instead of plain `meson`. In the rest of this document we
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are going to use the latter form.
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You can omit either of the two directories, and Meson will substitute
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the current directory and autodetect what you mean. This allows you to
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do things like this:
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```console
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cd <source root>
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meson setup builddir
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```
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To compile, cd into your build directory and type `ninja`. To run unit
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tests, type `ninja test`.
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More on running Meson build system commands can be found at the
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[running meson page](https://mesonbuild.com/Running-Meson.html)
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or by typing `meson --help`.
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#### Contributing
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We love code contributions. See the [contribution
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page](https://mesonbuild.com/Contributing.html) on the website for
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details.
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#### IRC
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The channel to use is `#mesonbuild` either via Matrix ([web
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interface][matrix_web]) or [OFTC IRC][oftc_irc].
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[matrix_web]: https://app.element.io/#/room/#mesonbuild:matrix.org
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[oftc_irc]: https://www.oftc.net/
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#### Further info
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More information about the Meson build system can be found at the
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[project's home page](https://mesonbuild.com).
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Meson is a registered trademark of ***Jussi Pakkanen***.
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