diff -r 91dc8878f888 -r b2d4400398f3 mercurial/sslutil.py
--- a/mercurial/sslutil.py	Thu Sep 22 15:15:18 2011 +0200
+++ b/mercurial/sslutil.py	Tue Sep 27 18:51:10 2011 +0200
@@ -22,6 +22,8 @@
 
     def ssl_wrap_socket(sock, key_file, cert_file,
                         cert_reqs=CERT_REQUIRED, ca_certs=None):
+        if not util.safehasattr(socket, 'ssl'):
+            raise util.Abort(_('Python SSL support not found'))
         if ca_certs:
             raise util.Abort(_(
                 'certificate checking requires Python 2.6'))