netdev - [PATCH bpf-next 0/4] samples: bpf: fix build after move to full libbpf

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Message-Id: <20180512001729.21634-1-jakub.kicinski@netronome.com>
Date:   Fri, 11 May 2018 17:17:25 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     alexei.starovoitov@...il.com, daniel@...earbox.net
Cc:     oss-drivers@...ronome.com, netdev@...r.kernel.org,
        Björn Töpel <bjorn.topel@...il.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>
Subject: [PATCH bpf-next 0/4] samples: bpf: fix build after move to full libbpf

Hi!

Following patches address build issues after recent move to libbpf.
For out-of-tree builds we would see the following error:

gcc: error: samples/bpf/../../tools/lib/bpf/libbpf.a: No such file or directory

Mini-library called libbpf.h in samples is renamed to bpf_insn.h,
using linux/filter.h seems not completely trivial since some samples
get upset when order on include search path in changed.  We do have
to rename libbpf.h, however, because otherwise it's hard to reliably
get to libbpf's header in out-of-tree builds.

Jakub Kicinski (4):
  samples: bpf: include bpf/bpf.h instead of local libbpf.h
  samples: bpf: rename libbpf.h to bpf_insn.h
  samples: bpf: fix build after move to compiling full libbpf.a
  samples: bpf: move libbpf from object dependencies to libs

 samples/bpf/Makefile                          | 170 +++++++-----------
 samples/bpf/{libbpf.h => bpf_insn.h}          |   8 +-
 samples/bpf/bpf_load.c                        |   2 +-
 samples/bpf/bpf_load.h                        |   2 +-
 samples/bpf/cookie_uid_helper_example.c       |   2 +-
 samples/bpf/cpustat_user.c                    |   2 +-
 samples/bpf/fds_example.c                     |   4 +-
 samples/bpf/lathist_user.c                    |   2 +-
 samples/bpf/load_sock_ops.c                   |   2 +-
 samples/bpf/lwt_len_hist_user.c               |   2 +-
 samples/bpf/map_perf_test_user.c              |   2 +-
 samples/bpf/sock_example.c                    |   3 +-
 samples/bpf/sock_example.h                    |   1 -
 samples/bpf/sockex1_user.c                    |   2 +-
 samples/bpf/sockex2_user.c                    |   2 +-
 samples/bpf/sockex3_user.c                    |   2 +-
 samples/bpf/syscall_tp_user.c                 |   2 +-
 samples/bpf/tc_l2_redirect_user.c             |   2 +-
 samples/bpf/test_cgrp2_array_pin.c            |   2 +-
 samples/bpf/test_cgrp2_attach.c               |   3 +-
 samples/bpf/test_cgrp2_attach2.c              |   3 +-
 samples/bpf/test_cgrp2_sock.c                 |   3 +-
 samples/bpf/test_cgrp2_sock2.c                |   3 +-
 .../bpf/test_current_task_under_cgroup_user.c |   2 +-
 samples/bpf/test_lru_dist.c                   |   2 +-
 samples/bpf/test_map_in_map_user.c            |   2 +-
 samples/bpf/test_overhead_user.c              |   2 +-
 samples/bpf/test_probe_write_user_user.c      |   2 +-
 samples/bpf/trace_output_user.c               |   2 +-
 samples/bpf/tracex1_user.c                    |   2 +-
 samples/bpf/tracex2_user.c                    |   2 +-
 samples/bpf/tracex3_user.c                    |   2 +-
 samples/bpf/tracex4_user.c                    |   2 +-
 samples/bpf/tracex5_user.c                    |   2 +-
 samples/bpf/tracex6_user.c                    |   2 +-
 samples/bpf/tracex7_user.c                    |   2 +-
 samples/bpf/xdp_fwd_user.c                    |   2 +-
 samples/bpf/xdp_monitor_user.c                |   2 +-
 samples/bpf/xdp_redirect_cpu_user.c           |   2 +-
 samples/bpf/xdp_redirect_map_user.c           |   2 +-
 samples/bpf/xdp_redirect_user.c               |   2 +-
 samples/bpf/xdp_router_ipv4_user.c            |   2 +-
 samples/bpf/xdp_tx_iptunnel_user.c            |   2 +-
 samples/bpf/xdpsock_user.c                    |   2 +-
 44 files changed, 117 insertions(+), 151 deletions(-)
 rename samples/bpf/{libbpf.h => bpf_insn.h} (98%)

-- 
2.17.0