On Mon, Jan 30, 2023 at 10:36 AM Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> wrote: > > Use $(KHDR_INCLUDES) as lookup path for kernel headers. This prevents > building against kernel headers from the build environment in scenarios > where kernel headers are installed into a specific output directory > (O=...). > > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> > Acked-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> > Cc: <bpf@xxxxxxxxxxxxxxx> > Cc: Shuah Khan <shuah@xxxxxxxxxx> > Cc: linux-kselftest@xxxxxxxxxxxxxxx > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Alexei Starovoitov <ast@xxxxxxxxxx> > Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx> > Cc: Andrii Nakryiko <andrii@xxxxxxxxxx> > Cc: Martin KaFai Lau <martin.lau@xxxxxxxxx> > Cc: Song Liu <song@xxxxxxxxxx> > Cc: Yonghong Song <yhs@xxxxxx> > Cc: John Fastabend <john.fastabend@xxxxxxxxx> > Cc: KP Singh <kpsingh@xxxxxxxxxx> > Cc: Stanislav Fomichev <sdf@xxxxxxxxxx> > Cc: Hao Luo <haoluo@xxxxxxxxxx> > Cc: Jiri Olsa <jolsa@xxxxxxxxxx> > Cc: Mykola Lysenko <mykolal@xxxxxx> > Cc: <stable@xxxxxxxxxxxxxxx> [5.18+] > --- > tools/testing/selftests/bpf/Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile > index c22c43bbee19..6998c816afef 100644 > --- a/tools/testing/selftests/bpf/Makefile > +++ b/tools/testing/selftests/bpf/Makefile > @@ -327,7 +327,7 @@ endif > CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH)) > BPF_CFLAGS = -g -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ > -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR) \ > - -I$(abspath $(OUTPUT)/../usr/include) > + $(KHDR_INCLUDES) It breaks the build: https://github.com/kernel-patches/bpf/actions/runs/4047075637/jobs/6960655246 make[1]: *** No rule to make target '/linux/bpf.h', needed by '/tmp/work/bpf/bpf/tools/testing/selftests/bpf/bpf-helpers.rst'. Stop.
