diff -up /usr/include/boost/asio/ssl/detail/openssl_context_service.hpp.orig /usr/include/boost/asio/ssl/detail/openssl_context_service.hpp
--- /usr/include/boost/asio/ssl/detail/openssl_context_service.hpp.orig	2013-11-08 06:51:52.000000000 +0000
+++ /usr/include/boost/asio/ssl/detail/openssl_context_service.hpp	2013-11-08 06:49:37.000000000 +0000
@@ -69,6 +69,7 @@ public:
   {
     switch (m)
     {
+    #ifndef OPENSSL_NO_SSL2
     case context_base::sslv2:
       impl = ::SSL_CTX_new(::SSLv2_method());
       break;
@@ -78,6 +79,7 @@ public:
     case context_base::sslv2_server:
       impl = ::SSL_CTX_new(::SSLv2_server_method());
       break;
+    #endif
     case context_base::sslv3:
       impl = ::SSL_CTX_new(::SSLv3_method());
       break;