_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx> --- tools/testing/selftests/fpu/test_fpu.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/fpu/test_fpu.c b/tools/testing/selftests/fpu/test_fpu.c index 200238522a9d..53a7fef839e7 100644 --- a/tools/testing/selftests/fpu/test_fpu.c +++ b/tools/testing/selftests/fpu/test_fpu.c @@ -4,8 +4,6 @@ * module to perform floating point operations in the kernel. The control * register value should be independent between kernel and user mode. */ - -#define _GNU_SOURCE #include <stdio.h> #include <errno.h> #include <string.h> -- 2.45.0.118.g7fe29c98d7-goog