From 286d34cdbb5175b5ec33d0b5cc20d9521a62d4b4 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Wed, 3 Jul 2013 12:52:01 -0700
Subject: [PATCH] Fix the build on clang

---
 solvers/gecode/gecode.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/solvers/gecode/gecode.cc b/solvers/gecode/gecode.cc
index 05e0e4a3c..9a2faa5c2 100644
--- a/solvers/gecode/gecode.cc
+++ b/solvers/gecode/gecode.cc
@@ -91,8 +91,10 @@ inline bool operator==(
     const Gecode::IntValBranch &lhs, const Gecode::IntValBranch &rhs) {
   return lhs.select() == rhs.select();
 }
+}
 
-std::ostream &operator<<(std::ostream &os, const Gecode::IntValBranch &b) {
+namespace Gecode {
+std::ostream &operator<<(std::ostream &os, const IntValBranch &b) {
   return os << b.select();
 }
 }