+LIBCURL_CHECK_CONFIG(,7.21.3,curl=1,curl=0)
+if test "$curl" = 1
+then
+ AM_CONDITIONAL(HAVE_LIBCURL, true)
+ AC_DEFINE([HAVE_LIBCURL],[1],[Have libcurl])
+else
+ AM_CONDITIONAL(HAVE_LIBCURL, false)
+fi
+
+
+# libidn
+AC_MSG_CHECKING([if Libidn can be used])
+AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
+ [Support IDN (needs GNU Libidn)]),
+libidn=$withval, libidn=yes)
+if test "$libidn" != "no"; then
+ if test "$libidn" != "yes"; then
+ LDFLAGS="${LDFLAGS} -L$libidn/lib"
+ CPPFLAGS="${CPPFLAGS} -I$libidn/include"
+ fi
+ AC_CHECK_HEADER(idna.h,
+ AC_CHECK_LIB(idn, stringprep_check_version,
+ [libidn=yes LIBS="${LIBS} -lidn"], libidn=no),
+ libidn=no)
+fi
+if test "$libidn" != "no" ; then
+ AC_DEFINE(LIBIDN, 1, [Define to 1 if you want IDN support.])
+ else
+ AC_MSG_FAILURE([Libidn not found])
+fi
+AC_MSG_RESULT($libidn)
+
+
+