[PATCH v6 06/13] selftests/intel_pstate: Drop redundant -D_GNU_SOURCE CFLAGS in Makefile

[Edward Liaw]

-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 at google.com>
---
 tools/testing/selftests/intel_pstate/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/intel_pstate/Makefile b/tools/testing/selftests/intel_pstate/Makefile
index 05d66ef50c97..f45372cb00fe 100644
--- a/tools/testing/selftests/intel_pstate/Makefile
+++ b/tools/testing/selftests/intel_pstate/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-CFLAGS := $(CFLAGS) -Wall -D_GNU_SOURCE
+CFLAGS := $(CFLAGS) -Wall
 LDLIBS += -lm
 
 ARCH ?= $(shell uname -m 2>/dev/null || echo not)
-- 
2.45.2.741.gdbec12cfda-goog