[PATCH] specify minimum required version of GnuTLS

[Daniel Lenski]

See discussion thread on mailing list:
    http://lists.infradead.org/pipermail/openconnect-devel/2017-May/004358.html

Signed-off-by: Daniel Lenski <dlenski at gmail.com>
---
 www/building.xml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/www/building.xml b/www/building.xml
index bcee63b..dd49461 100644
--- a/www/building.xml
+++ b/www/building.xml
@@ -23,7 +23,10 @@ libraries and tools installed:</p>
 <ul>
   <li><b><tt>libxml2</tt></b></li>
   <li><b><tt>zlib</tt></b></li>
-  <li>Either <b><tt>OpenSSL</tt></b> or <b><tt>GnuTLS</tt></b></li>
+  <li>Either <b><tt>OpenSSL</tt></b> or <b><tt>GnuTLS</tt></b>
+  <ul>
+  <li>Recent versions of OpenConnect require GnuTLS v3.2 or newer.</li>
+  </ul></li>
   <li><b><tt>pkg-config</tt></b></li>
 </ul>
 And <em>optionally</em> also:
-- 
2.7.4