+dnl Check for ut_host field in utmp
+AC_MSG_CHECKING([whether utmp.h has ut_host field])
+AC_EGREP_HEADER(ut_host, utmp.h,
+ [AC_DEFINE(HAVE_HOST_IN_UTMP) AC_MSG_RESULT(yes); ],
+ [AC_MSG_RESULT(no)]
+)
+
+dnl Look for lastlog location
+AC_MSG_CHECKING([location of lastlog file])
+for lastlog in /var/log/lastlog /var/adm/lastlog /etc/security/lastlog ; do
+ if test -f $lastlog ; then
+ AC_MSG_RESULT($lastlog)
+ AC_DEFINE_UNQUOTED(LASTLOG_LOCATION, "$lastlog")
+ break
+ fi
+done
+
+AC_MSG_CHECKING([whether libc defines __progname])
+AC_TRY_LINK([],
+ [extern char *__progname;],
+ [
+ AC_DEFINE(HAVE___PROGNAME)
+ AC_MSG_RESULT(yes)
+ ],
+ [
+ AC_MSG_RESULT(no)
+ ]
+)
+