From 744efcce69ed95710ba0e21b76154da9e8e22b81 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 30 Jan 2000 16:47:31 +0000
Subject: (utmp_includes): Define. Check for ut_user and ut_name members in
 both struct utmpx and struct utmp.

---
 m4/prereq.m4 | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index f478a14d9..2f97d3938 100644
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -51,6 +51,19 @@ AC_DEFUN(jm_PREREQ_READUTMP,
   AC_CHECK_HEADERS(string.h utmpx.h sys/param.h)
   AC_CHECK_FUNCS(utmpname)
   AM_C_PROTOTYPES
+
+  utmp_includes="\
+$ac_includes_default
+#ifdef HAVE_UTMPX_H
+# include <utmpx.h>
+#else
+# include <utmp.h>
+#endif
+"
+  AC_CHECK_MEMBERS((struct utmpx.ut_user),,,[$utmp_includes])
+  AC_CHECK_MEMBERS((struct utmp.ut_user),,,[$utmp_includes])
+  AC_CHECK_MEMBERS((struct utmpx.ut_name),,,[$utmp_includes])
+  AC_CHECK_MEMBERS((struct utmp.ut_name),,,[$utmp_includes])
 ])
 
 AC_DEFUN(jm_PREREQ_REGEX,
-- 
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