[PATCH v4 56/66] selftests/sigaltstack: Drop define _GNU_SOURCE

[Edward Liaw]

_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent
redefinition warnings.

Signed-off-by: Edward Liaw <edliaw at google.com>
---
 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