Here are a few Buildroot tricks I use to develop and test my packages. This post will likely evolve over the years to come. For the basics, please see my post Buildroot Development Checklist. It covers how to use the check-package and test-pkg tools shipped with Buildroot. Tip: if stuck, always check the Buildroot documentation! introduction I often need to rebuild from scratch to verify fundamental changes to the structure of my embedded systems.