The pcmtest driver tests use the kselftest harness which requires that _GNU_SOURCE is defined but nothing causes it to be defined. Since the KHDR_INCLUDES Makefile variable has had the required define added let's use that, this should provide some futureproofing. Fixes: daef47b89efd ("selftests: Compile kselftest headers with -D_GNU_SOURCE") Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> --- tools/testing/selftests/alsa/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/alsa/Makefile b/tools/testing/selftests/alsa/Makefile index 5af9ba8a4645..c1ce39874e2b 100644 --- a/tools/testing/selftests/alsa/Makefile +++ b/tools/testing/selftests/alsa/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 # -CFLAGS += $(shell pkg-config --cflags alsa) +CFLAGS += $(shell pkg-config --cflags alsa) $(KHDR_INCLUDES) LDLIBS += $(shell pkg-config --libs alsa) ifeq ($(LDLIBS),) LDLIBS += -lasound --- base-commit: 3c999d1ae3c75991902a1a7dad0cb62c2a3008b4 change-id: 20240516-kselftest-fix-gnu-source-81ddd00870a8 Best regards, -- Mark Brown <broonie@xxxxxxxxxx>