From: Andrii Nakryiko <andriin@fb.com>
Date: Wed, 27 Nov 2019 20:01:34 +0000 (-0800)
Subject: libbpf: Fix Makefile' libbpf symbol mismatch diagnostic
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b568405856906ee4d9ba6284fd36f2928653a623;p=openwrt%2Fstaging%2Fblogic.git

libbpf: Fix Makefile' libbpf symbol mismatch diagnostic

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>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20191127200134.1360660-1-andriin@fb.com
---

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;		 \