The Meson Build System
http://mesonbuild.com/
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98 lines
4.2 KiB
98 lines
4.2 KiB
# Getting Meson |
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Meson is implemented in Python 3, and requires 3.6 or newer. If your |
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operating system provides a package manager, you should install it |
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with that. For platforms that don't have a package manager, you need |
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to download it from [Python's home page]. See below for |
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[platform-specific Python3 quirks](#platformspecific-install-quirks). |
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## Downloading Meson |
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Meson releases can be downloaded from the [GitHub release page], and |
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you can run `./meson.py` from inside a release or the git repository |
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itself without doing anything special. |
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On Windows, if you did not install Python with the installer options |
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that make Python scripts executable, you will have to run `python |
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/path/to/meson.py`, where `python` is Python 3.6 or newer. |
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The newest development code can be obtained directly from [Git], and |
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we strive to ensure that it will always be working and usable. All |
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commits go through a pull-request process that runs CI and tests |
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several platforms. |
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## Installing Meson with pip |
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Meson is available in the [Python Package Index] and can be installed |
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with `pip3 install --user meson`. This does not require any special |
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privileges. This will install the package in `~/.local/`, so you will |
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have to add `~/.local/bin` to your `PATH`. If you are using Meson only |
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for local development this should be all you need. |
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If you need to install your project in system directories, this |
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approach will not work as executable installed in this way are not |
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available when `sudo` is used. You can install Meson so it can be used |
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by every user with `sudo pip3 install meson`. It is generally not |
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recommended to do this, but instead use the version provided by distro |
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packages. |
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If you must install Meson with `sudo pip3` make sure to uninstall any |
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distro version first. Having multiple versions of any program in |
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system directories can lead to problems. |
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## Installing Meson and Ninja with the MSI installer |
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We provide an MSI installer on the [GitHub release page] that can be |
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used to install both Meson and Ninja at once for Windows. It also |
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contains an embedded copy of Python, so scripts that use the [Python |
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module](Python-module.md) and do not have any external dependencies |
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will continue to work as expected. |
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Please note that this is a new feature, so bug reports are expected |
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and welcome! |
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## Dependencies |
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In the most common case, you will need the [Ninja executable] for |
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using the `ninja` backend, which is the default in Meson. This backend |
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can be used on all platforms and with all toolchains, including GCC, |
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Clang, Visual Studio, MinGW, ICC, ARMCC, etc. |
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You can use the version provided by your package manager if possible, |
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otherwise download the binary executable from the [Ninja project's |
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release page](https://github.com/ninja-build/ninja/releases). |
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If you will only use the Visual Studio backend (`--backend=vs`) to |
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generate Visual Studio solutions on Windows or the XCode backend |
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(`--backend=xcode`) to generate XCode projects on macOS, you do not |
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need Ninja. |
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# Platform-specific install quirks |
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## Windows Python3 quirks |
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When installing Python 3, it is highly recommended (but not required) |
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that you select the installer options as follows: |
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With this, you will have `python` and `pip` in `PATH`, and you can |
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install Meson with pip. You will also be able to directly run `meson` |
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in any shell on Windows instead of having to run `py -3` with the full |
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path to the `meson.py` script. |
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## MSYS2 Python3 quirks |
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If you are using MSYS2 on Windows as your development environment, |
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please make sure that you **do not use** the `msys/python` package to |
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provide Python 3. Use either `mingw32/mingw-w64-i686-python3` or |
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`mingw64/mingw-w64-x86_64-python3` depending on which MinGW target you |
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are building for. |
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[GitHub release page]: https://github.com/mesonbuild/meson/releases |
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[Python Package Index]: https://pypi.python.org/pypi/meson/ |
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[Git]: https://github.com/mesonbuild/meson |
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[Python's home page]: https://www.python.org/downloads/ |
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[Ninja executable]: https://ninja-build.org/
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