netdev - [PATCH bpf 1/2] selftests/bpf: Explicitly pass RESOLVE

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Message-Id: <20221115182051.582962-1-bjorn@kernel.org>
Date:   Tue, 15 Nov 2022 19:20:50 +0100
From:   Björn Töpel <bjorn@...nel.org>
To:     bpf@...r.kernel.org, Andrii Nakryiko <andrii@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Cc:     Björn Töpel <bjorn@...osinc.com>,
        linux-riscv@...ts.infradead.org, netdev@...r.kernel.org,
        Anders Roxell <anders.roxell@...aro.org>,
        Mykola Lysenko <mykolal@...com>,
        linux-kselftest@...r.kernel.org
Subject: [PATCH bpf 1/2] selftests/bpf: Explicitly pass RESOLVE_BTFIDS to sub-make

From: Björn Töpel <bjorn@...osinc.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@...osinc.com>
---
 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