_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/sigaltstack/sas.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/sigaltstack/sas.c b/tools/testing/selftests/sigaltstack/sas.c index 07227fab1cc9..36b510de0195 100644 --- a/tools/testing/selftests/sigaltstack/sas.c +++ b/tools/testing/selftests/sigaltstack/sas.c @@ -6,8 +6,6 @@ * If that succeeds, then swapcontext() can be used inside sighandler safely. * */ - -#define _GNU_SOURCE #include <signal.h> #include <stdio.h> #include <stdlib.h> -- 2.45.0.118.g7fe29c98d7-goog
