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<p align="center">
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<img src="http://mesonbuild.com/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://travis-ci.org/mesonbuild/meson)
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[](https://ci.appveyor.com/project/jpakkane/meson)
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#### Dependencies
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- [Python](http://python.org) (version 3.4 or newer)
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- [Ninja](https://ninja-build.org) (version 1.5 or newer)
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#### Installing from source
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You can run Meson directly from a revision control checkout or an
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extracted tarball. If you wish you can install it locally with the
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standard Python distutils command `python3 setup.py install <your
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options here>`.
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Meson is also available from
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[PyPi](https://pypi.python.org/pypi/meson), so it can be installed
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with `pip3 install meson` (this does not require a source checkout,
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pip will download the package automatically). The exact command to
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type to install with pip can very between systems, be sure to use the
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Python 3 version of pip.
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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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python3 -m zipapp -p '/usr/bin/env python3' -m meson:main -o meson <source checkout>
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Note that the source checkout may not be `meson` because it would
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clash with the generated binary name.
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This will zip all files inside the source checkout into the script
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which includes hundreds of tests, so you might want to temporarily
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remove those before running it.
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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 file
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called 'meson.build'. To generate the build system run this command:
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`meson <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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`cd source_root; mkdir build; cd build; meson ..`
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or
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`cd source_root; mkdir build; meson build`
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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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Install is the same but it can take an extra argument:
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`DESTDIR=/destdir/path ninja install`
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`DESTDIR` can be omitted. If you are installing to system directories,
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you may need to run this command with sudo.
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#### Contributing
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We love code contributions. See the contributing.txt file for
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details.
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#### IRC
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The irc channel for Meson is `#mesonbuild` over at Freenode.
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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](http://mesonbuild.com).
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Meson is a registered trademark of Jussi Pakkanen
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