From ba117db120ec53a94330ce349ce4c1f9bf5de1eb Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Sat, 7 Dec 2013 18:53:01 +0200
Subject: [PATCH] Revert "Bind: Remove obsolete GCC version check."

This reverts commit 5b2cf44de5d7e4d5b024c073a3089fffd8e67731.
---
 include/boost/bind/bind.hpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/include/boost/bind/bind.hpp b/include/boost/bind/bind.hpp
index 7f45242..957974d 100644
--- a/include/boost/bind/bind.hpp
+++ b/include/boost/bind/bind.hpp
@@ -1211,6 +1211,27 @@ BOOST_BIND_OPERATOR( ||, logical_or )
 
 #undef BOOST_BIND_OPERATOR
 
+#if defined(__GNUC__) && BOOST_WORKAROUND(__GNUC__, < 3)
+
+// resolve ambiguity with rel_ops
+
+#define BOOST_BIND_OPERATOR( op, name ) \
+\
+template<class R, class F, class L> \
+    bind_t< bool, name, list2< bind_t<R, F, L>, bind_t<R, F, L> > > \
+    operator op (bind_t<R, F, L> const & f, bind_t<R, F, L> const & g) \
+{ \
+    typedef list2< bind_t<R, F, L>, bind_t<R, F, L> > list_type; \
+    return bind_t<bool, name, list_type> ( name(), list_type(f, g) ); \
+}
+
+BOOST_BIND_OPERATOR( !=, not_equal )
+BOOST_BIND_OPERATOR( <=, less_equal )
+BOOST_BIND_OPERATOR( >, greater )
+BOOST_BIND_OPERATOR( >=, greater_equal )
+
+#endif
+
 // visit_each, ADL
 
 #if !defined( BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP ) && !defined( __BORLANDC__ ) \