On 2020-03-11 at 18:26:50 +0100, Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> wrote: > On Wed, Mar 11, 2020 at 05:14:59PM +0100, Tobias Klauser wrote: > > When compiling bpftool on a system where the /usr/include/asm symlink > > doesn't exist (e.g. on an Ubuntu system without gcc-multilib installed), > > the build fails with: > > > > CLANG skeleton/profiler.bpf.o > > In file included from skeleton/profiler.bpf.c:4: > > In file included from /usr/include/linux/bpf.h:11: > > /usr/include/linux/types.h:5:10: fatal error: 'asm/types.h' file not found > > #include <asm/types.h> > > ^~~~~~~~~~~~~ > > 1 error generated. > > I think the issue is different. > profiler.bpf.c should have picked up > tools/include/uapi/linux/bpf.h (instead of global from /usr/inclde) > which should have included > tools/include/linux/types.h (instead of /usr/include/linux/types.h) > > we also have a workaround for some cases: > ./tools/testing/selftests/bpf/include/uapi/linux/types.h Sorry, my earlier reply was wrong. Adding tools/testing/selftests/bpf/include/uapi/ to the search path (and tools/include/uapi/ in addition) makes this work. Will send a v3.
