#include <arpa/nameser.h>
-/* If arpa/nameser.h defines a maximum name server packet size, use it,
-provided it is greater than 2048. Otherwise go for a default. PACKETSZ was used
-for this, but it seems that NS_PACKETSZ is coming into use. */
-
-#if defined(NS_PACKETSZ) && NS_PACKETSZ >= 2048
- #define MAXPACKET NS_PACKETSZ
-#elif defined(PACKETSZ) && PACKETSZ >= 2048
- #define MAXPACKET PACKETSZ
-#else
- #define MAXPACKET 2048
-#endif
-
/* While IPv6 is still young the definitions of T_AAAA and T_A6 may not be
included in arpa/nameser.h. Fudge them here. */
# define POLLRDHUP (POLLIN | POLLHUP)
#endif
+/* Some platforms (Darwin) have to define a larger limit on groups membership */
+
+#ifndef EXIM_GROUPLIST_SIZE
+# define EXIM_GROUPLIST_SIZE NGROUPS_MAX
+#endif
+
#endif
/* End of exim.h */