On 2019-07-20, at 09:44:43 +0200, Pablo Neira Ayuso wrote: > On Fri, Jul 19, 2019 at 10:07:43AM -0700, Jakub Kicinski wrote: > > I hit the following build breakage on net with the config attached. > > > > GCC 9, doesn't seem like your just-posted series fixes this? > > $ gcc -v > ... > gcc version 9.1.0 > > $ make > ... > CC include/net/netfilter/nf_tables_offload.h.s > ... > $ > > Works for me here. I think the compiler version is a red herring. I reproduced the failure with gcc-8 (Debian 8.3.0-6) and gcc-9 (Debian 9.1.0-4). The problem is that CONFIG_HEADER_TEST is defined and nf_tables_offload.h is not on the header-test blacklist, but includes nf_tables.h, which is. J.