-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/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