[PATCH v5 23/68] selftests/iommu: Drop duplicate -D_GNU_SOURCE

[Edward Liaw]

-D_GNU_SOURCE can be de-duplicated here, as it is added by lib.mk.

Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx>
---
 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
-- 
2.45.1.288.g0e0cd299f1-goog