$NetBSD: patch-aj,v 1.10 2017/07/18 23:02:18 kim Exp $

Include curses header when testing tgetent in order to prevent
crash on 64-bit architectures.

Detect getutent correctly on NetBSD with utmpx.

--- configure.ac.orig	2017-07-10 19:26:25.000000000 +0000
+++ configure.ac	2017-07-18 22:50:46.000000000 +0000
@@ -661,6 +661,8 @@
 AC_MSG_ERROR(!!! no tgetent - no screen)))))))))
 
 AC_TRY_RUN([
+#include <curses.h>
+
 main()
 {
  exit(strcmp(tgoto("%p1%d", 0, 1), "1") ? 0 : 1);
@@ -812,9 +814,16 @@
 AC_TRY_LINK([
 #include <time.h> /* to get time_t on SCO */
 #include <sys/types.h>
-#if defined(SVR4) && !defined(DGUX)
+#include <sys/param.h>
+#if (defined(SVR4) && !defined(DGUX)) \
+ || (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 106050000)) \
+ || (defined(__DragonFly__) && (__DragonFly_version >= 200902))
 #include <utmpx.h>
 #define utmp utmpx
+# if defined(__NetBSD__) || defined(__DragonFly__)
+#  define pututline pututxline
+#  define getutent  getutxent
+# endif
 #else
 #include <utmp.h>
 #endif