2020-03-12 14:03 UTC+0100 ~ Tobias Klauser <tklauser@xxxxxxxxxx> > 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. > make: *** [Makefile:123: skeleton/profiler.bpf.o] Error 1 > > This indicates that the build is using linux/types.h from system headers > instead of source tree headers. > > To fix this, adjust the clang search path to include the necessary > headers from tools/testing/selftests/bpf/include/uapi and > tools/include/uapi. Also use __bitwise__ instead of __bitwise in > skeleton/profiler.h to avoid clashing with the definition in > tools/testing/selftests/bpf/include/uapi/linux/types.h. > > Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx> > Cc: Song Liu <songliubraving@xxxxxx> > Cc: Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> > Cc: Quentin Monnet <quentin@xxxxxxxxxxxxx> > Signed-off-by: Tobias Klauser <tklauser@xxxxxxxxxx> Looks good, thanks! Reviewed-by: Quentin Monnet <quentin@xxxxxxxxxxxxx>
