[Minios-devel] [UNIKRAFT PATCH] lib/uknetdev: Fix compiler warning

[Florian Schmidt <florian.schmidt@xxxxxxxxx>]

For stdio.h to provide the declaration of asprintf(), _GNU_SOURCE needs
to be defined. This needs to be done before the first libc header
include, or it may not have an effect any more.

Signed-off-by: Florian Schmidt <florian.schmidt@xxxxxxxxx>
---
 lib/uknetdev/netdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/uknetdev/netdev.c b/lib/uknetdev/netdev.c
index cda8a82..57133b3 100644
--- a/lib/uknetdev/netdev.c
+++ b/lib/uknetdev/netdev.c
@@ -33,8 +33,9 @@
  *
  * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
  */
-#include <string.h>
+#define _GNU_SOURCE /* for asprintf() */
 #include <stdio.h>
+#include <string.h>
 #include <uk/netdev.h>
 #include <uk/print.h>
 
-- 
2.21.0


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