samples/bpf: Add missing -lz to TPROGS_LDLIBS

Since libbpf now links against zlib, this needs to be included in the
linker invocation for the userspace programs in samples/bpf that link
statically against libbpf.

Fixes: 166750bc1d ("libbpf: Support libbpf-provided extern variables")
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Tested-by: Björn Töpel <bjorn.topel@intel.com>
Link: https://lore.kernel.org/bpf/20191216102405.353834-1-toke@redhat.com
This commit is contained in:
Toke Høiland-Jørgensen 2019-12-16 11:24:05 +01:00 committed by Alexei Starovoitov
parent 5984dc6cb5
commit 5615ed472d

View File

@ -198,7 +198,7 @@ endif
TPROGCFLAGS_bpf_load.o += -Wno-unused-variable
TPROGS_LDLIBS += $(LIBBPF) -lelf
TPROGS_LDLIBS += $(LIBBPF) -lelf -lz
TPROGLDLIBS_tracex4 += -lrt
TPROGLDLIBS_trace_output += -lrt
TPROGLDLIBS_map_perf_test += -lrt