Yet more portability hacks.

config.h

@@ -26,6 +26,10 @@
 #define _XOPEN_SOURCE
 #define __EXTENSIONS__
 
+/* This is necessary on glibc systems */
+#define _BSD_SOURCE
+#define _ISO9X_SOURCE
+
 /* Standard includes */
 
 #include <stdio.h>

configure.in

@@ -46,6 +46,8 @@ AC_CHECK_HEADERS(unistd.h)
 AC_CHECK_HEADERS(sys/filio.h)
 AC_CHECK_HEADERS(sys/stat.h)
 AC_CHECK_HEADERS(sys/types.h)
+dnl This is needed on some versions of FreeBSD...
+AC_CHECK_HEADERS(machine/param.h)
 
 AC_CHECK_TYPES(intmax_t)
 AC_CHECK_TYPES(long long)

tftpd/recvfrom.c

@@ -21,6 +21,9 @@
 #include "config.h"		/* Must be included first! */
 #include "recvfrom.h"
 #include "tftpsubs.h"
+#ifdef HAVE_MACHINE_PARAM_H
+#include <machine/param.h>	/* Needed on some versions of FreeBSD */
+#endif
 
 #if defined(HAVE_RECVMSG) && defined(HAVE_MSGHDR_MSG_CONTROL)