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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. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20200312130330.32239-1-tklauser@distanz.ch |
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.. | ||
bash-completion | ||
Documentation | ||
skeleton | ||
.gitignore | ||
btf_dumper.c | ||
btf.c | ||
cfg.c | ||
cfg.h | ||
cgroup.c | ||
common.c | ||
feature.c | ||
gen.c | ||
jit_disasm.c | ||
json_writer.c | ||
json_writer.h | ||
main.c | ||
main.h | ||
Makefile | ||
map_perf_ring.c | ||
map.c | ||
net.c | ||
netlink_dumper.c | ||
netlink_dumper.h | ||
perf.c | ||
prog.c | ||
tracelog.c | ||
xlated_dumper.c | ||
xlated_dumper.h |