[PATCH v6 07/13] selftests/iommu: Drop redundant -D_GNU_SOURCE CFLAGS in Makefile

-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@google.com --- tools/testing/selftests/iommu/Makefile | 2 -- 1 file changed, 2 deletions(-)

diff --git a/tools/testing/selftests/iommu/Makefile b/tools/testing/selftests/iommu/Makefile index 32c5fdfd0eef..fd6477911f24 100644 --- a/tools/testing/selftests/iommu/Makefile +++ b/tools/testing/selftests/iommu/Makefile @@ -2,8 +2,6 @@ CFLAGS += -Wall -O2 -Wno-unused-function CFLAGS += $(KHDR_INCLUDES)

-CFLAGS += -D_GNU_SOURCE - TEST_GEN_PROGS := TEST_GEN_PROGS += iommufd TEST_GEN_PROGS += iommufd_fail_nth