sandbox: eth-raw: fix building with musl library
The definition of struct udphdr in include netinet/udp.h in the
musl library differs from the definition in the glibc library.
To use the same definition with musl the symbol _GNU_SOURCE has
to be defined.
Reported-by: Milan P. Stanić <mps@arvanta.net>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Tested-by: Milan P. Stanić <mps@arvanta.net>
diff --git a/arch/sandbox/cpu/eth-raw-os.c b/arch/sandbox/cpu/eth-raw-os.c
index 6a8d809..e59b96b 100644
--- a/arch/sandbox/cpu/eth-raw-os.c
+++ b/arch/sandbox/cpu/eth-raw-os.c
@@ -4,6 +4,8 @@
* Copyright (c) 2015-2018 Joe Hershberger <joe.hershberger@ni.com>
*/
+#define _GNU_SOURCE
+
#include <asm/eth-raw-os.h>
#include <errno.h>
#include <fcntl.h>