Re: [PATCH bpf v5] libbpf: handle symbol versioning properly for libbpf.a

2019-09-30 Thread Alexei Starovoitov
On 9/30/19 2:02 PM, Yonghong Song wrote: > Fixes: 10d30e301732 ("libbpf: add flags to umem config") > Cc: Kevin Laatz > Cc: Arnaldo Carvalho de Melo > Cc: Andrii Nakryiko > Acked-by: Andrii Nakryiko > Signed-off-by: Yonghong Song > --- > tools/lib/bpf/Makefile | 27 ++

[PATCH bpf v5] libbpf: handle symbol versioning properly for libbpf.a

2019-09-30 Thread Yonghong Song
bcc uses libbpf repo as a submodule. It brings in libbpf source code and builds everything together to produce shared libraries. With latest libbpf, I got the following errors: /bin/ld: libbcc_bpf.so.0.10.0: version node not found for symbol xsk_umem__create@LIBBPF_0.0.2 /bin/ld: failed to set