[PATCH v6 09/13] selftests/proc: Drop redundant -D_GNU_SOURCE CFLAGS in Makefile

[Edward Liaw <edliaw@xxxxxxxxxx>]

-D_GNU_SOURCE= will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE
should be dropped to prevent redefinition warnings.

Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx>
---
 tools/testing/selftests/proc/Makefile | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tools/testing/selftests/proc/Makefile b/tools/testing/selftests/proc/Makefile
index 6066f607f758..ee424a9f075f 100644
--- a/tools/testing/selftests/proc/Makefile
+++ b/tools/testing/selftests/proc/Makefile
@@ -1,6 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
 CFLAGS += -Wall -O2 -Wno-unused-function
-CFLAGS += -D_GNU_SOURCE
 LDFLAGS += -pthread
 
 TEST_GEN_PROGS :=
-- 
2.45.2.741.gdbec12cfda-goog