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From: David Ahern <dsahern@gmail.com>
To: Hangbin Liu <haliu@redhat.com>,
	Stephen Hemminger <stephen@networkplumber.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Alexei Starovoitov <ast@kernel.org>
Cc: "Martin KaFai Lau" <kafai@fb.com>,
	"Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>,
	"David Miller" <davem@davemloft.net>,
	"Jesper Dangaard Brouer" <brouer@redhat.com>,
	netdev@vger.kernel.org, bpf@vger.kernel.org,
	"Jiri Benc" <jbenc@redhat.com>,
	"Andrii Nakryiko" <andrii@kernel.org>,
	"Toke Høiland-Jørgensen" <toke@redhat.com>
Subject: Re: [PATCHv3 iproute2-next 1/5] configure: add check_libbpf() for later libbpf support
Date: Mon, 2 Nov 2020 08:37:37 -0700	[thread overview]
Message-ID: <78c5df29-bf06-0b60-d914-bdab3d65b198@gmail.com> (raw)
In-Reply-To: <20201029151146.3810859-2-haliu@redhat.com>

On 10/29/20 9:11 AM, Hangbin Liu wrote:
> This patch adds a check to see if we support libbpf. By default the
> system libbpf will be used, but static linking against a custom libbpf
> version can be achieved by passing LIBBPF_DIR to configure. FORCE_LIBBPF
> can be set to force configure to abort if no suitable libbpf is found,
> which is useful for automatic packaging that wants to enforce the
> dependency.
> 

Add an option to force libbpf off and use of the legacy code. i.e, yes
it is installed, but don't use it.

configure script really needs a usage to dump options like disabling libbpf.

  parent reply	other threads:[~2020-11-02 15:37 UTC|newest]

Thread overview: 167+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-23  3:38 [PATCH iproute2-next 0/5] iproute2: add libbpf support Hangbin Liu
2020-10-23  3:38 ` [PATCH iproute2-next 1/5] configure: add check_libbpf() for later " Hangbin Liu
2020-10-23  3:38 ` [PATCH iproute2-next 2/5] lib: rename bpf.c to bpf_legacy.c Hangbin Liu
2020-10-23  3:38 ` [PATCH iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-10-23 14:34   ` David Ahern
2020-10-25 15:13     ` Toke Høiland-Jørgensen
2020-10-25 22:12       ` David Ahern
2020-10-26  8:56         ` Hangbin Liu
2020-10-26 15:15           ` David Ahern
2020-10-27  2:58             ` Hangbin Liu
2020-10-24  0:21   ` Andrii Nakryiko
2020-10-25 15:11     ` Toke Høiland-Jørgensen
2020-10-26  8:10     ` Hangbin Liu
2020-10-23  3:38 ` [PATCH iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-10-23  3:38 ` [PATCH iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-10-28 13:25 ` [PATCHv2 iproute2-next 0/5] iproute2: add libbpf support Hangbin Liu
2020-10-28 13:25   ` [PATCHv2 iproute2-next 1/5] configure: add check_libbpf() for later " Hangbin Liu
2020-10-28 13:25   ` [PATCHv2 iproute2-next 2/5] lib: rename bpf.c to bpf_legacy.c Hangbin Liu
2020-10-28 13:25   ` [PATCHv2 iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-10-28 13:25   ` [PATCHv2 iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-10-28 13:25   ` [PATCHv2 iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-10-28 21:17   ` [PATCHv2 iproute2-next 0/5] iproute2: add libbpf support Alexei Starovoitov
2020-10-28 23:02   ` David Ahern
2020-10-29  2:06     ` Hangbin Liu
2020-10-29  2:20       ` David Ahern
2020-10-29  2:45         ` Hangbin Liu
2020-10-29  3:00           ` David Ahern
2020-10-29  3:17             ` Hangbin Liu
2020-10-29 10:26             ` Hangbin Liu
2020-10-29 10:51               ` Toke Høiland-Jørgensen
2020-10-29  2:27       ` Andrii Nakryiko
2020-10-29  2:33         ` David Ahern
2020-10-29  2:46           ` Andrii Nakryiko
2020-10-29  2:34         ` Stephen Hemminger
2020-10-29  2:50           ` Andrii Nakryiko
2020-10-29 11:38             ` Jesper Dangaard Brouer
2020-10-29 20:30               ` Andrii Nakryiko
2020-10-29  2:33       ` Stephen Hemminger
2020-10-29 15:11   ` [PATCHv3 " Hangbin Liu
2020-10-29 15:11     ` [PATCHv3 iproute2-next 1/5] configure: add check_libbpf() for later " Hangbin Liu
2020-10-29 15:26       ` Toke Høiland-Jørgensen
2020-11-02 15:37       ` David Ahern [this message]
2020-11-03  5:54         ` Hangbin Liu
2020-11-03 17:32           ` David Ahern
2020-11-04  8:51             ` Hangbin Liu
2020-11-04 11:09               ` Toke Høiland-Jørgensen
2020-11-04 11:40                 ` Hangbin Liu
2020-10-29 15:11     ` [PATCHv3 iproute2-next 2/5] lib: rename bpf.c to bpf_legacy.c Hangbin Liu
2020-10-29 15:11     ` [PATCHv3 iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-11-02 15:41       ` David Ahern
2020-11-03  5:48         ` Hangbin Liu
2020-11-03 17:19           ` David Ahern
2020-11-04  8:22         ` Hangbin Liu
2020-11-05  2:33           ` David Ahern
2020-11-05  7:51             ` Hangbin Liu
2020-11-05 15:25               ` David Ahern
2020-11-05 15:57                 ` Toke Høiland-Jørgensen
2020-11-05 16:02                   ` David Ahern
2020-11-06  0:56                     ` Hangbin Liu
2020-11-06  0:41                 ` Hangbin Liu
2020-10-29 15:11     ` [PATCHv3 iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-10-29 15:11     ` [PATCHv3 iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-11-02 15:47     ` [PATCHv3 iproute2-next 0/5] iproute2: add libbpf support David Ahern
2020-11-03  6:58       ` Andrii Nakryiko
2020-11-03  8:42         ` Jiri Benc
2020-11-03 17:45           ` David Ahern
2020-11-03 17:48           ` Alexei Starovoitov
2020-11-03  8:46         ` Daniel Borkmann
2020-11-03 17:35           ` David Ahern
2020-11-03 17:47             ` Alexei Starovoitov
2020-11-03 18:23               ` Stephen Hemminger
2020-11-03 22:32               ` David Ahern
2020-11-03 22:55                 ` Alexei Starovoitov
2020-11-04  1:40                   ` David Ahern
2020-11-04  2:45                     ` Alexei Starovoitov
2020-11-04  9:28                       ` Jiri Benc
2020-11-05  2:39                         ` David Ahern
2020-11-04  2:17                   ` Hangbin Liu
2020-11-04  3:11                     ` Alexei Starovoitov
2020-11-04 10:01                       ` Jiri Benc
2020-11-04 10:21                       ` Daniel Borkmann
2020-11-04 11:20                         ` Toke Høiland-Jørgensen
2020-11-04 13:12                           ` Daniel Borkmann
2020-11-04 19:17                             ` Jakub Kicinski
2020-11-04 20:43                               ` Andrii Nakryiko
2020-11-04 22:24                                 ` Toke Høiland-Jørgensen
2020-11-05 20:14                                   ` Andrii Nakryiko
2020-11-05  3:48                                 ` David Ahern
2020-11-05 20:53                                   ` Andrii Nakryiko
2020-11-05  3:19                         ` David Ahern
2020-11-05 14:05                           ` Jamal Hadi Salim
2020-11-05 21:01                             ` Andrii Nakryiko
2020-11-06 15:27                               ` Jamal Hadi Salim
2020-11-06 21:25                                 ` Andrii Nakryiko
2020-11-10 12:47                             ` Edward Cree
2020-11-11  0:53                               ` Alexei Starovoitov
2020-11-11 11:31                                 ` Edward Cree
2020-11-11 18:08                                   ` Alexei Starovoitov
2020-11-05 20:45                           ` Andrii Nakryiko
2020-11-06  9:00                             ` Jiri Benc
2020-11-06 21:07                               ` Andrii Nakryiko
2020-11-04 21:15                       ` Edward Cree
2020-11-04 22:10                         ` Alexei Starovoitov
2020-11-04 22:35                           ` Toke Høiland-Jørgensen
2020-11-04 23:05                           ` Edward Cree
2020-11-05 20:19                             ` Andrii Nakryiko
2020-11-06  8:44                               ` Jiri Benc
2020-11-06 20:57                                 ` Andrii Nakryiko
2020-11-06 21:04                                   ` Alexei Starovoitov
2020-11-06 23:25                                     ` Stephen Hemminger
2020-11-06 23:30                                       ` Andrii Nakryiko
2020-11-07  0:41                                         ` Stephen Hemminger
2020-11-07  1:07                                           ` Andrii Nakryiko
2020-11-06 23:38                                       ` David Ahern
2020-11-09  1:45                                         ` Alexei Starovoitov
2020-11-10  4:09                                           ` David Ahern
2020-11-11  0:47                                             ` Alexei Starovoitov
2020-11-11 11:02                                               ` Toke Høiland-Jørgensen
2020-11-11 15:06                                                 ` Daniel Borkmann
2020-11-11 16:33                                                   ` David Ahern
2020-11-12 22:36                                                   ` Toke Høiland-Jørgensen
2020-11-12 23:20                                                     ` Daniel Borkmann
2020-11-13  0:04                                                       ` Stephen Hemminger
2020-11-13  0:40                                                         ` Alexei Starovoitov
2020-11-13  3:55                                                       ` David Ahern
2020-11-09  7:07     ` [PATCHv4 " Hangbin Liu
2020-11-09  7:07       ` [PATCHv4 iproute2-next 1/5] configure: add check_libbpf() for later " Hangbin Liu
2020-11-14  3:26         ` David Ahern
2020-11-16  4:30           ` Hangbin Liu
2020-11-16  4:33             ` David Ahern
2020-11-09  7:07       ` [PATCHv4 iproute2-next 2/5] lib: rename bpf.c to bpf_legacy.c Hangbin Liu
2020-11-14  3:24         ` David Ahern
2020-11-16  3:55           ` Hangbin Liu
2020-11-09  7:08       ` [PATCHv4 iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-11-09  7:08       ` [PATCHv4 iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-11-09  7:08       ` [PATCHv4 iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-11-16  6:53       ` [PATCHv5 iproute2-next 0/5] iproute2: add libbpf support Hangbin Liu
2020-11-16  6:53         ` [PATCHv5 iproute2-next 1/5] configure: add check_libbpf() for later " Hangbin Liu
2020-11-16  6:53         ` [PATCHv5 iproute2-next 2/5] lib: rename bpf.c to bpf_legacy.c Hangbin Liu
2020-11-16  6:53         ` [PATCHv5 iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-11-16  6:53         ` [PATCHv5 iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-11-16  6:53         ` [PATCHv5 iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-11-16  7:19         ` [PATCHv5 iproute2-next 0/5] iproute2: add libbpf support Alexei Starovoitov
2020-11-16 14:54           ` Jesper Dangaard Brouer
2020-11-16 23:29             ` Toke Høiland-Jørgensen
2020-11-17  2:37             ` Alexei Starovoitov
2020-11-17  3:19               ` Hangbin Liu
2020-11-17 18:27                 ` Alexei Starovoitov
2020-11-17 11:56               ` Edward Cree
2020-11-17  3:38             ` David Ahern
2020-11-17 18:19               ` Alexei Starovoitov
2020-11-16 16:45           ` Stephen Hemminger
2020-11-23 13:11         ` [PATCHv6 " Hangbin Liu
2020-11-23 13:11           ` [PATCHv6 iproute2-next 1/5] iproute2: add check_libbpf() and get_libbpf_version() Hangbin Liu
2020-11-23 13:11           ` [PATCHv6 iproute2-next 2/5] lib: make ipvrf able to use libbpf and fix function name conflicts Hangbin Liu
2020-11-23 13:11           ` [PATCHv6 iproute2-next 3/5] lib: add libbpf support Hangbin Liu
2020-11-23 13:12           ` [PATCHv6 iproute2-next 4/5] examples/bpf: move struct bpf_elf_map defined maps to legacy folder Hangbin Liu
2020-11-23 13:12           ` [PATCHv6 iproute2-next 5/5] examples/bpf: add bpf examples with BTF defined maps Hangbin Liu
2020-11-25  5:28           ` [PATCHv6 iproute2-next 0/5] iproute2: add libbpf support David Ahern
2020-11-25  5:30           ` patchwork-bot+netdevbpf
2020-11-29  6:16 ` [PATCH " Stephen Hemminger
2020-11-29  6:22   ` Greg KH
2020-11-30 11:39     ` Michal Kubecek
2020-11-29 17:33   ` Alexei Starovoitov
2020-11-29 19:41   ` David Ahern
2020-11-30 11:04     ` Toke Høiland-Jørgensen
2020-12-01 14:22     ` Jesper Dangaard Brouer

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