linux-kernel - [tip:perf/core] tools build feature sched_getcpu: Undef _GNU

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Date:   Fri, 15 Feb 2019 01:52:21 -0800
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, ast@...com, jolsa@...nel.org,
        adrian.hunter@...el.com, acme@...hat.com, daniel@...earbox.net,
        songliubraving@...com, hpa@...or.com, tglx@...utronix.de,
        jakub.kicinski@...ronome.com, andrii.nakryiko@...il.com,
        mingo@...nel.org, yhs@...com, yao.jin@...ux.intel.com,
        namhyung@...nel.org
Subject: [tip:perf/core] tools build feature sched_getcpu: Undef _GNU_SOURCE
 at the end

Commit-ID:  44ec8396e2dadf0f0806767642cfac9e04d0d5b1
Gitweb:     https://git.kernel.org/tip/44ec8396e2dadf0f0806767642cfac9e04d0d5b1
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Thu, 14 Feb 2019 13:02:01 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 14 Feb 2019 15:39:21 -0300

tools build feature sched_getcpu: Undef _GNU_SOURCE at the end

Since this feature test is included in test-all.c, the feature detection
fast path compile/link phase, it can't leave any defines behind, as it
can affect the tests included after it, so remove it.

Reported-by: Jiri Olsa <jolsa@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexei Starovoitov <ast@...com>
Cc: Andrii Nakryiko <andrii.nakryiko@...il.com>
Cc: Daniel Borkmann <daniel@...earbox.net>
Cc: Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc: Jin Yao <yao.jin@...ux.intel.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Song Liu <songliubraving@...com>
Cc: Yonghong Song <yhs@...com>
Link: https://lkml.kernel.org/n/tip-lg3kpd9tzypc797vb1f42u6k@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/build/feature/test-sched_getcpu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/build/feature/test-sched_getcpu.c b/tools/build/feature/test-sched_getcpu.c
index e448deb4124c..48995ac7911e 100644
--- a/tools/build/feature/test-sched_getcpu.c
+++ b/tools/build/feature/test-sched_getcpu.c
@@ -8,3 +8,5 @@ int main(void)
 {
 	return sched_getcpu();
 }
+
+#undef _GNU_SOURCE