From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ian Rogers <irogers@google.com>,
Namhyung Kim <namhyung@kernel.org>,
Pekka Enberg <penberg@kernel.org>, Jiri Olsa <jolsa@kernel.org>,
Irina Tirdea <irina.tirdea@intel.com>, bpf <bpf@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [PATCH] libbpf: Define __WORDSIZE if not available
Date: Tue, 9 Jun 2020 12:34:45 -0300 [thread overview]
Message-ID: <20200609153445.GF24868@kernel.org> (raw)
In-Reply-To: <CAEf4BzbEcV6YaezP4yY8J=kYSBhh0cRHCvgCUe9xvB12mF08qg@mail.gmail.com>
Some systems, such as Android, don't have a define for __WORDSIZE, do it
in terms of __SIZEOF_LONG__, as done in perf since 2012:
http://git.kernel.org/torvalds/c/3f34f6c0233ae055b5
For reference: https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html
I build tested it here and Andrii did some Travis CI build tests too.
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
next prev parent reply other threads:[~2020-06-09 15:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-08 16:11 libbpf's hashmap use of __WORDSIZE Arnaldo Carvalho de Melo
2020-06-08 17:32 ` Andrii Nakryiko
2020-06-08 18:12 ` Arnaldo Carvalho de Melo
2020-06-09 15:34 ` Arnaldo Carvalho de Melo [this message]
2020-06-09 20:37 ` [PATCH] libbpf: Define __WORDSIZE if not available Daniel Borkmann
2020-06-09 21:16 ` Arnaldo Carvalho de Melo
2020-06-09 23:21 ` Daniel Borkmann
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