Hi Bartosz, On Friday, November 20, 2020 15:15 CET, Bartosz Golaszewski <brgl@xxxxxxxx> wrote: > From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> > > libgpiod v1.6 requires at least v5.5 linux kernel headers to build. This > is because several new symbols have been defined in linux v5.5. In order > to allow building with kernel headers v4.6 and on, let's check the > presence of the new symbols and redefine them if needed. > In the Buildroot Package (for 1.4.x) you set the dependency for headers to be at least 4.8. [1] Could this then be lowered or is there a mixup? Regards, Michael [1] https://git.busybox.net/buildroot/tree/package/libgpiod/Config.in