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Diffstat (limited to 'src/v4l_id/v4l_id.c')
-rw-r--r--src/v4l_id/v4l_id.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/v4l_id/v4l_id.c b/src/v4l_id/v4l_id.c
index 0ebe434639..0e3d3003cb 100644
--- a/src/v4l_id/v4l_id.c
+++ b/src/v4l_id/v4l_id.c
@@ -13,6 +13,10 @@
* General Public License for more details:
*/
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
#include <stdio.h>
#include <errno.h>
#include <string.h>