Mention how to configure pam_hpsec on HP-UX to play nicely with sudo.

INSTALL

@@ -738,6 +738,12 @@ HP-UX:
 
     sudo	session	required	libpam_hpsec.so.1 bypass_umask
 
+    If every command run via sudo displays information about the last
+    successful login and the last authentication failure you should
+    make use an /etc/pam.conf line like:
+
+    sudo	session	required	libpam_hpsec.so.1 bypass_umask bypass_last_login
+
 Digital UNIX:
     By default, sudo will use SIA (Security Integration Architecture)
     to validate a user.  If you want to use an alternative authentication

configure

@@ -22023,6 +22023,14 @@ fi
 
 if test "$with_pam" = "yes"; then
     case $host in
+	*-*-hpux*)
+	    if  -f /usr/lib/security/libpam_hpsec.so.1 ; then
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: You may wish to add the following line to /etc/pam.conf" >&5
+$as_echo "$as_me: You may wish to add the following line to /etc/pam.conf" >&6;}
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: sudo session required libpam_hpsec.so.1 bypass_umask bypass_last_login" >&5
+$as_echo "$as_me: sudo session required libpam_hpsec.so.1 bypass_umask bypass_last_login" >&6;}
+	    fi
+	    ;;
 	*-*-linux*)
 	    { $as_echo "$as_me:${as_lineno-$LINENO}: You will need to customize sample.pam and install it as /etc/pam.d/sudo" >&5
 $as_echo "$as_me: You will need to customize sample.pam and install it as /etc/pam.d/sudo" >&6;}

configure.in

@@ -3065,6 +3065,12 @@ dnl Spew any text the user needs to know about
 dnl
 if test "$with_pam" = "yes"; then
     case $host in
+	*-*-hpux*)
+	    if [ -f /usr/lib/security/libpam_hpsec.so.1 ]; then
+		AC_MSG_NOTICE([You may wish to add the following line to /etc/pam.conf])
+		AC_MSG_NOTICE([sudo session required libpam_hpsec.so.1 bypass_umask bypass_last_login])
+	    fi
+	    ;;
 	*-*-linux*)
 	    AC_MSG_NOTICE([You will need to customize sample.pam and install it as /etc/pam.d/sudo])
 	    ;;