--- a/configure.ac	Fri Jun 16 08:51:48 2006 +0000
+++ b/configure.ac	Fri Jun 16 09:21:33 2006 +0000
@@ -76,6 +76,11 @@
 
 PKG_CHECK_MODULES(LOUDMOUTH, glib-2.0 >= $GLIB2_REQUIRED)
 
+PKG_CHECK_MODULES(LIBIDN, libidn, have_idn=yes, have_idn=no)
+if test "x$have_idn" = "xyes"; then
+	AC_DEFINE(HAVE_IDN, 1, [Define if IDN support is included])
+fi
+
 # Check Unit test framework (defined in acinclude.m4)
 IDT_PATH_CHECK(0.9.2, have_check=yes, have_check=no)
 
@@ -257,6 +262,7 @@
 
         prefix:                   ${prefix}
         compiler:                 ${CC}
+	Have IDN support:         ${have_idn}
         Enable SSL                ${enable_ssl}
         Enable Debug:             ${enable_debug}
 	Enable Unit Tests:        ${have_check}