modules/admin-full: display an error if libiwinfo is not installed

diff --git a/modules/admin-full/luasrc/view/admin_network/wifi_overview.htm b/modules/admin-full/luasrc/view/admin_network/wifi_overview.htm
index d476baa..6a10206 100644 (file)
--- a/modules/admin-full/luasrc/view/admin_network/wifi_overview.htm
+++ b/modules/admin-full/luasrc/view/admin_network/wifi_overview.htm
@@ -87,10 +87,19 @@ $Id$
                        netdevs[net:ifname()] = dev:name()
                end
        end
+
+       local has_iwinfo = pcall(require, "iwinfo")
 -%>
 
 <%+header%>
 
+<% if not has_iwinfo then %>
+       <div class="errorbox">
+               <strong><%:Package libiwinfo required!%></strong><br />
+               <%_The <em>libiwinfo</em> package is not installed. You must install this component for working wireless configuration!%>
+       </div>
+<% end %>
+
 <script type="text/javascript" src="<%=resource%>/cbi.js"></script>
 <script type="text/javascript">//<![CDATA[
        var iwxhr = new XHR();