linux-kernel - [PATCH v1 1/8] perf build: Update to C standard to gnu11

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Date:   Mon, 24 Oct 2022 10:35:16 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Leo Yan <leo.yan@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Alexey Bayduraev <alexey.v.bayduraev@...ux.intel.com>,
        German Gomez <german.gomez@....com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Stephane Eranian <eranian@...gle.com>,
        Ian Rogers <irogers@...gle.com>
Subject: [PATCH v1 1/8] perf build: Update to C standard to gnu11

C11 has become the standard for mainstream kernel development [1],
allowing it in the perf build enables libraries like stdatomic.h to be
assumed to be present. This came up in the context of [2].

[1] https://lore.kernel.org/lkml/CAHk-=whWbENRz-vLY6vpESDLj6kGUTKO3khGtVfipHqwewh2HQ@mail.gmail.com/
[2] https://lore.kernel.org/lkml/20221024011024.462518-1-irogers@google.com/

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/Makefile.config | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 6fd4b1384b97..29c49e6e76a1 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -307,7 +307,7 @@ CORE_CFLAGS += -ggdb3
 CORE_CFLAGS += -funwind-tables
 CORE_CFLAGS += -Wall
 CORE_CFLAGS += -Wextra
-CORE_CFLAGS += -std=gnu99
+CORE_CFLAGS += -std=gnu11
 
 CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti
 CXXFLAGS += -Wall
-- 
2.38.0.135.g90850a2211-goog