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selftests/resctrl: Move _GNU_SOURCE define into Makefile

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_GNU_SOURCE is defined in resctrl.h. Defining _GNU_SOURCE has a large
impact on what gets defined when including headers either before or
after it. This can result in compile failures if .c file decides to
include a standard header file before resctrl.h.

It is safer to define _GNU_SOURCE in Makefile so it is always defined
regardless of in which order includes are done.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Tested-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Reviewed-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2023-10-02 12:48:10 +03:00 committed by Shuah Khan
parent 030b48fb2c
commit 3a1e4a91aa
2 changed files with 1 additions and 2 deletions
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2
tools/testing/selftests/resctrl/Makefile
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@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
CFLAGS = -g -Wall -O2 -D_FORTIFY_SOURCE=2
CFLAGS = -g -Wall -O2 -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE
CFLAGS += $(KHDR_INCLUDES)
TEST_GEN_PROGS := resctrl_tests

1
tools/testing/selftests/resctrl/resctrl.h
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@ -1,5 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 */
#define _GNU_SOURCE
#ifndef RESCTRL_H
#define RESCTRL_H
#include <stdio.h>