The Meson Build System http://mesonbuild.com/
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Eli Schwartz 1420d0dace
mdist: use better approach to finding original configured options
3 years ago
.github gnome: Fix gtkdoc when using multiple Apple frameworks 3 years ago
ci CI images: add the JRE to Ubuntu 3 years ago
cross Genericise TI compiler and add MSP430 support 3 years ago
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mesonbuild mdist: use better approach to finding original configured options 3 years ago
packaging packaging: make sure pyinstaller sees our distributed data files 3 years ago
test cases cmake: Better error message when configuring a CMake subproject fails. 3 years ago
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unittests Document and test env vars a bit better 3 years ago
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meson.py use real pathlib module 4 years ago
pyproject.toml setup.py: better requirements 3 years ago
run_cross_test.py fix: Always explicitly set encoding for text files (fixes #8263) 3 years ago
run_format_tests.py CI: Split out file format test as a separate GitHub workflow 4 years ago
run_meson_command_tests.py pyupgrade --py37-plus 3 years ago
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run_single_test.py project tests: log the reason why a test is skipped 3 years ago
run_tests.py unittests: move get_convincing_fake_env_and_cc to run_tests.py 3 years ago
run_unittests.py run_unittests: check for pytest and pytest-xdist separately 3 years ago
setup.cfg packaging: make sure pyinstaller sees our distributed data files 3 years ago
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README.md

Meson® is a project to create the best possible next-generation build system.

Status

PyPI Build Status Codecov Code Quality: Python Total Alerts

Dependencies

  • Python (version 3.7 or newer)
  • Ninja (version 1.8.2 or newer)

Installing from source

Meson is available on PyPi, so it can be installed with pip3 install meson. The exact command to type to install with pip can vary between systems, be sure to use the Python 3 version of pip.

If you wish you can install it locally with the standard Python command:

python3 -m pip install meson

For builds using Ninja, Ninja can be downloaded directly from Ninja GitHub release page or via PyPi

python3 -m pip install ninja

More on Installing Meson build can be found at the getting meson page.

Creating a standalone script

Meson can be run as a Python zip app. To generate the executable run the following command:

./packaging/create_zipapp.py --outfile meson.pyz --interpreter '/usr/bin/env python3' <source checkout>

Running

Meson requires that you have a source directory and a build directory and that these two are different. In your source root must exist a file called meson.build. To generate the build system run this command:

meson setup <source directory> <build directory>

Depending on how you obtained Meson the command might also be called meson.py instead of plain meson. In the rest of this document we are going to use the latter form.

You can omit either of the two directories, and Meson will substitute the current directory and autodetect what you mean. This allows you to do things like this:

cd <source root>
meson setup builddir

To compile, cd into your build directory and type ninja. To run unit tests, type ninja test.

More on running Meson build system commands can be found at the running meson page or by typing meson --help.

Contributing

We love code contributions. See the contribution page on the website for details.

IRC

The channel to use is #mesonbuild either via Matrix (web interface) or OFTC IRC.

Further info

More information about the Meson build system can be found at the project's home page.

Meson is a registered trademark of Jussi Pakkanen.