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Minimum required glibc version bump

· 2 min read
Mithril Team
info

This only affects users who rely on the precompiled Linux binaries provided by the Mithril team.

If you compile the binaries from source or use a different operating system, you are not affected by this change.

Following the deprecation of Ubuntu 20.04 in GitHub Actions, we are updating the minimum required glibc version for our Linux binaries from 2.31 to 2.35.

Current Situation​

Our Continuous Integration (CI) uses GitHub Actions to build and test the Mithril binaries for different platforms.

Currently, our CI builders target Ubuntu 20.04 to build Linux binaries, leading to a minimum required glibc version of 2.31. This version is compatible with systems such as Ubuntu 20.04 and Debian 11 (Bullseye).

However, with the release of Ubuntu 24.04, GitHub Actions is dropping support for Ubuntu 20.04 as they only support the last two LTS versions.

As a result, we need to update our CI environment to use a more recent version of Ubuntu.

Upcoming change​

Distribution 2506 will be the last distribution with a minimum required glibc version of 2.31.

After the release of distribution 2506, our CI builders will be updated to use Ubuntu 22.04. Raising the minimum required glibc version for our Linux binaries to 2.35.

Impact for users​

The new glibc version 2.35 is compatible with systems such as Ubuntu 22.04 and Debian 12 (Bookworm).

If you are using a system with an older version of glibc, you can either:

  • Upgrade your system to a newer version that supports glibc 2.35 to keep using our compiled binaries.
  • Compile the binaries from source to avoid upgrading your system.

Summary​

  • Current minimum glibc version: 2.31
    • Examples of compatible systems: Ubuntu 20.04, Debian 11 (Bullseye)
  • New minimum glibc version: 2.35 (effective for distributions released from March 2025 )
    • Examples of compatible systems: Ubuntu 22.04, Debian 12 (Bookworm)

For any inquiries or assistance, don't hesitate to contact the team on the Discord channel.