AC_CHECK_MEMBERS([struct udphdr.uh_dport, struct udphdr.uh_sport], [], [],
[#define _BSD_SOURCE
+#define _DEFAULT_SOURCE
#if HAVE_STDINT_H
# include <stdint.h>
#endif
])
AC_CHECK_MEMBERS([struct udphdr.dest, struct udphdr.source], [], [],
[#define _BSD_SOURCE
+#define _DEFAULT_SOURCE
#if HAVE_STDINT_H
# include <stdint.h>
#endif