[PATCH AUTOSEL 5.4 180/205] libbpf: Fix Makefile' libbpf symbol mismatch diagnostic
From: Sasha Levin <sashal@kernel.org>
Date: 2020-01-16 16:54:27
Also in:
bpf, lkml, stable
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [library] (libbpf), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
From: Andrii Nakryiko <redacted>
[ Upstream commit b568405856906ee4d9ba6284fd36f2928653a623 ]
Fix Makefile's diagnostic diff output when there is LIBBPF_API-versioned
symbols mismatch.
Fixes: 1bd63524593b ("libbpf: handle symbol versioning properly for libbpf.a")
Signed-off-by: Andrii Nakryiko <redacted>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <redacted>
Link: https://lore.kernel.org/bpf/20191127200134.1360660-1-andriin@fb.com (local)
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/lib/bpf/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index 56ce6292071b..33e2638ef7f0 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile@@ -215,7 +215,7 @@ check_abi: $(OUTPUT)libbpf.so "versioned symbols in $^ ($(VERSIONED_SYM_COUNT))." \ "Please make sure all LIBBPF_API symbols are" \ "versioned in $(VERSION_SCRIPT)." >&2; \ - readelf -s --wide $(OUTPUT)libbpf-in.o | \ + readelf -s --wide $(BPF_IN_SHARED) | \ cut -d "@" -f1 | sed 's/_v[0-9]_[0-9]_[0-9].*//' | \ awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$8}'| \ sort -u > $(OUTPUT)libbpf_global_syms.tmp; \
--
2.20.1