[PATCH bpf 1/2] selftests/bpf: Explicitly pass RESOLVE_BTFIDS to sub-make

[Jiri Olsa]

On Tue, Nov 15, 2022 at 07:20:50PM +0100, Björn Töpel wrote:
> From: Björn Töpel <bjorn at rivosinc.com>
> 
> When cross-compiling selftests/bpf, the resolve_btfids binary end up
> in a different directory, than the regular resolve_btfids
> builds. Populate RESOLVE_BTFIDS for sub-make, so it can find the
> binary.
> 
> Signed-off-by: Björn Töpel <bjorn at rivosinc.com>

Acked-by: Jiri Olsa <jolsa at kernel.org>

thanks,
jirka

> ---
>  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 e6cf21fad69f..8f8ede30e94e 100644
> --- a/tools/testing/selftests/bpf/Makefile
> +++ b/tools/testing/selftests/bpf/Makefile
> @@ -200,7 +200,7 @@ $(OUTPUT)/sign-file: ../../../../scripts/sign-file.c
>  $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch])
>  	$(call msg,MOD,,$@)
>  	$(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation
> -	$(Q)$(MAKE) $(submake_extras) -C bpf_testmod
> +	$(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_testmod
>  	$(Q)cp bpf_testmod/bpf_testmod.ko $@
>  
>  DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool
> 
> base-commit: 47df8a2f78bc34ff170d147d05b121f84e252b85
> -- 
> 2.37.2
>