From: Hilko Bengen <bengen@debian.org>
Date: Sun, 2 Dec 2018 23:26:03 +0000 (+0000)
Subject: libbpf: link shared object with libelf
X-Git-Tag: archive/raspbian/5.2.17-1+rpi1^2^2^2^2~24
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=c66a4eb20f9c669c0c55c3b83465cb0c96e9a79c;p=linux.git

libbpf: link shared object with libelf

libbpf.so needs to be linked against libelf to avoid missing symbols.

Signed-off-by: Hilko Bengen <bengen@debian.org>


Gbp-Pq: Topic bugfix/all
Gbp-Pq: Name libbpf-link-shared-object-with-libelf.patch
---

diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index d40b6432e93..86fd56c698b 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -170,7 +170,7 @@ $(BPF_IN): force elfdep bpfdep
 	$(Q)$(MAKE) $(build)=libbpf
 
 $(OUTPUT)libbpf.so.$(LIBBPF_VERSION): $(BPF_IN)
-	$(QUIET_LINK)$(CC) --shared $^ -Wl,-soname,$(@F) -o $@
+	$(QUIET_LINK)$(CC) --shared $^ -lelf -Wl,-soname,$(@F) -o $@
 
 $(OUTPUT)libbpf.a: $(BPF_IN)
 	$(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^