From: Andrii Nakryiko <andriin@fb.com>
To: <bpf@vger.kernel.org>, <netdev@vger.kernel.org>, <ast@fb.com>,
<daniel@iogearbox.net>, <yhs@fb.com>
Cc: <andrii.nakryiko@gmail.com>, <kernel-team@fb.com>,
Andrii Nakryiko <andriin@fb.com>
Subject: [PATCH bpf] libbpf: fix Makefile' libbpf symbol mismatch diagnostic
Date: Wed, 27 Nov 2019 12:01:34 -0800 [thread overview]
Message-ID: <20191127200134.1360660-1-andriin@fb.com> (raw)
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 <andriin@fb.com>
---
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 99425d0be6ff..1470303b1922 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -214,7 +214,7 @@ 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; \
--
2.17.1
next reply other threads:[~2019-11-27 20:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-27 20:01 Andrii Nakryiko [this message]
2019-11-27 20:16 ` [PATCH bpf] libbpf: fix Makefile' libbpf symbol mismatch diagnostic Yonghong Song
2019-11-27 21:33 ` Daniel Borkmann
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