--- a/mjpg_streamer.h
+++ b/mjpg_streamer.h
@@ -29,6 +29,10 @@
 #define MAX_OUTPUT_PLUGINS 10
 #define MAX_PLUGIN_ARGUMENTS 32
 
+#define __NEED_pthread_t
+#define __NEED_pthread_mutex_t
+#define __NEED_pthread_cond_t
+
 #include <linux/types.h>          /* for videodev2.h */
 #include <linux/videodev2.h>
 
