On Thu, 2022-02-10 at 00:44 +0100, Hauke Mehrtens wrote: > > What build problem do you get when you include "#include <linux/bug.h>" > here on kernel 4.9.299? > I haven't tried, but per the explanation, you get issues if you tried to include bug.h in the first place, since then you get bug.h -> includes build_bug.h (since the patch) -> uses build_bug.h from backports -> includes bug.h (does nothing, double include) and you're then missing the defines from build_bug.h. > Can we somehow work around this problem by > detection the kernel version in a different way based on a different define? > I don't think so. However, I don't yet see why passing the version on the command line doesn't work, since we only ever need to care about files we compile? johannes -- To unsubscribe from this list: send the line "unsubscribe backports" in