SZEDER Gábor <szeder.dev@xxxxxxxxx> writes: > So, then it's either 'config.mak', or passing a 'CC=$CC' argument to > _all_ make commands, including those that are not supposed to build > anything, but only run the tests. I find the latter aesthetically not > particularly pleasing. The config.mak file is available for individual builder-testers to customize their build, and in the context of this discussion, I think the CI builder is just one particular individual who happens to be non human. If it is easy to throw suitable settings from within the CI configuration .yaml files into config.mak, I'd think that is exactly how the mechanism was invented to be used, so...