[PATCH v3 2/2] define GNU_SOURCE for asprintf()

[Manuel Bouyer <bouyer@xxxxxxxxxx>]

#define _GNU_SOURCE to get for asprintf() prototype on Linux.
Harmless on NetBSD.

Signed-off-by: Manuel Bouyer <bouyer@xxxxxxxxxx>
---
 tools/xenpmd/xenpmd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/xenpmd/xenpmd.c b/tools/xenpmd/xenpmd.c
index e432aad856..8e783181e1 100644
--- a/tools/xenpmd/xenpmd.c
+++ b/tools/xenpmd/xenpmd.c
@@ -32,6 +32,7 @@
  * passed to the guest when appropriate battery ports are read/written to.
  */
 
+#define _GNU_SOURCE         /* for asprintf() */
 #include <stdio.h>
 #include <stdarg.h>
 #include <string.h>
-- 
2.29.2