From: Mickaël Salaün <mic@xxxxxxxxxxx> [ Upstream commit c25ef6a5e62fa212d298ce24995ce239f29b5f96 ] Do not build lib/bpf/bpf.o with this Makefile but use the one from the library directory. This avoid making a buggy bpf.o file (e.g. missing symbols). This patch is useful if some code (e.g. Landlock tests) needs both the bpf.o (from tools/lib/bpf) and the bpf_load.o (from samples/bpf). Signed-off-by: Mickaël Salaün <mic@xxxxxxxxxxx> Cc: Alexei Starovoitov <ast@xxxxxxxxxx> Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx> Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> --- samples/bpf/Makefile | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index adeaa1302f34..961b45c5eee0 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -192,13 +192,16 @@ CLANG_ARCH_ARGS = -target $(ARCH) endif # Trick to allow make to be run from this directory -all: +all: $(LIBBPF) $(MAKE) -C ../../ $(CURDIR)/ clean: $(MAKE) -C ../../ M=$(CURDIR) clean @rm -f *~ +$(LIBBPF): FORCE + $(MAKE) -C $(dir $@) $(notdir $@) + $(obj)/syscall_nrs.s: $(src)/syscall_nrs.c $(call if_changed_dep,cc_s_c) -- 2.15.1