---
id: meson
version: "1.12.0"
license: Apache License, Version 2.0
license_treatment: permissive
maintenance: active
---

# meson — A high performance build system

License: permissive · Maintenance: active · Downloads: 18.0M/mo

## What it is and what it does

Meson is a next-generation build system that reads declarative build definitions from meson.build files and generates build instructions. It emphasizes clarity and speed by using a modern configuration language and delegating execution to external build backends. The package itself is a Python tool that processes your build configuration and produces the necessary build artifacts.

You use Meson by creating a meson.build file in your project root that describes your targets and build options, then run `meson setup builddir` to generate a build directory. The system supports multiple operating systems including Linux, macOS, Windows, and BSD. It is classified as Production/Stable and has been actively maintained since its first release in 2016.

Use it for:

- Set up build systems for projects that need to work identically across Linux, macOS, Windows, and BSD.
- Define and run unit tests as part of the build process after compilation.
- Manage projects with complex build configurations using a declarative, modern syntax.
- Automate build setup in continuous integration pipelines where reproducible builds are critical.
- Configure builds for projects requiring Python 3.10 or newer environments.

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

Meson is a build system that reads declarative meson.build configuration files and generates build files to orchestrate compilation and testing of projects.

Yes. Meson is production-stable, actively maintained, permissively licensed under Apache License, Version 2.0, and has no known security vulnerabilities. Install it if you need a build system for projects targeting Python 3.10 or newer. The main prerequisite is ensuring Python 3.10+ is available in your environment.

## Install

pip install meson
uv add meson
poetry add meson

## Installing meson

Before you install: Installation is straightforward with no runtime dependencies. The project is actively maintained with a recent release (4 days since last release) and strong community engagement (6603 GitHub stars).

License in practice: Licensed under Apache License, Version 2.0 (permissive), which allows commercial and private use with minimal restrictions.

Quickstart:

pip install meson

# In your project directory with meson.build:
meson setup builddir
cd builddir
meson compile

Requires Python 3.10 or newer. Requires version 1.8.2 or newer of an external build backend to execute generated build files.

Verify before relying:

- Whether Meson's learning curve or configuration complexity is suitable for small projects versus large codebases.
- Performance characteristics compared to other build systems in typical project scenarios.
- Which languages and project types Meson is optimized for beyond the general build orchestration role.

## Package facts

- License: Apache License, Version 2.0 (permissive)
- Python support: supports_current
- Install friction: low
- Maintenance: active
- Downloads: 18.0M/month (top 5,000 on PyPI)
- Known vulnerabilities: none known

## Tags

build system, project build automation, build configuration tool, cross-platform compilation, build file generator, meson build system, next-generation build, build-automation, cross-platform

[View on SkillFed](https://skillfed.io/packages/meson) · [View on PyPI](https://pypi.org/project/meson/)