Sending a bug report

Please file the bug reports on Github.

Crosstool-NG also has a mailing list at Archive and subscription info can be found here:

Sometimes you may be able to contact a maintainer on IRC at the #crosstool-ng channel on the Libera.Chat (

Using a mailing list or IRC to triage an issue is okay. If it looks like a bug, you’ll be asked to file an issue at Github. If it looks like a pilot error, you might get an advice over the mailing list or IRC faster.

Sending patches

The preferred method of patch submission is via the Github’s pull requests. The status of currently pending pull requests can be checked here.

Patches are also welcome at the mailing list.

Patches should come with the appropriate Signed-off-by line (SOB line). An SOB line is typically something like:

Signed-off-by: John DOE <>

Why this line is needed is well described in the Linux kernel’s documentation on patch submission.

You can also add any of the following lines if applicable:


If submitting patches over the mailing list, please also follow other guidelines described in the Linux kernel’s guide.

We previously used patchwork for development, but it is no longer used. I’d like to see patches that are still applicable turned into Pull Requests on GitHub. Here is the list of pending patches.