On Mon, 25 Jul 2022 12:49:20 -0300 Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote: > Perhaps it'd be better to check if libtracevent-devel is installed and > use it, falling back to tools/lib/traceevent/ and then adding a warning > that the in-tree codebase is being used? Yeah, this is the way trace-cmd went. For a few releases, it would just warn that it couldn't find the system libraries, and then fall back to the internals, and then it finally just removed the internals and failed with a message stating where to get the necessary libraries. -- Steve