--- ./configure.in.orig	2012-09-10 18:53:25.000000000 -0400
+++ ./configure.in	2012-09-10 18:55:15.000000000 -0400
@@ -158,8 +158,7 @@
 dnl use system-wide libtool, if it exists
 AC_ARG_WITH(system-libtool,
 [  --with-system-libtool   Use the libtool installed in your system (default=use our own)],
-[ AC_PATH_PROG(LIBTOOL, libtool,,$PATH:/usr/local/bin) AC_LIBTOOL_DLOPEN
- AC_PROG_LIBTOOL],
+[ AC_PATH_PROG(LIBTOOL, libtool,,$PATH:/usr/local/bin) ],
 [
   LIBTOOL="`pwd`/libtool"
   AC_SUBST(LIBTOOL)
@@ -502,6 +501,21 @@
 	AC_DEFINE(WITH_UDPFROMTO, [], [define if you want udpfromto])
 fi
 
+dnl extra argument: --with-perl
+WITH_PERL=yes
+AC_ARG_WITH(perl,
+	     [  --with-perl             Enable Perl support. (default=yes)],
+	     [ case "$withval" in
+	           yes)
+       ;;
+    *)
+       WITH_PERL=no
+  esac ]
+	     )
+if test "x$WITH_PERL" = "xno"; then
+       with_rlm_perl=no
+fi
+
 dnl #############################################################
 dnl #
 dnl #  1. Checks for programs
@@ -509,10 +523,14 @@
 dnl #############################################################
 
 CHECKRAD=checkrad.pl
+if test "x$WITH_PERL" = "xyes"; then
 AC_PATH_PROG(PERL, perl, /usr/local/bin/perl)
 if test "x$ac_cv_path_PERL" = "x"; then
   AC_MSG_WARN(perl not found - Simultaneous-Use and checkrad.pl may not work)
 fi
+else
+  AC_MSG_WARN(perl disabled - Simultaneous-Use and checkrad.pl may not work)
+fi
 AC_PATH_PROG(SNMPGET, snmpget)
 if test "x$ac_cv_path_SNMPGET" = "x"; then
   AC_MSG_WARN(snmpget not found - Simultaneous-Use and checkrad.pl may not work)