diff --git a/turtle/constraint.hpp b/turtle/constraint.hpp
index 5dc6da2..34817ac 100644
--- a/turtle/constraint.hpp
+++ b/turtle/constraint.hpp
@@ -9,8 +9,9 @@
 #ifndef MOCK_CONSTRAINT_HPP_INCLUDED
 #define MOCK_CONSTRAINT_HPP_INCLUDED
 
-#include <boost/preprocessor/stringize.hpp>
+#include "config.hpp"
 #include "log.hpp"
+#include <boost/preprocessor/stringize.hpp>
 
 namespace mock
 {
diff --git a/turtle/constraints.hpp b/turtle/constraints.hpp
index be6fb6c..a13ebbe 100644
--- a/turtle/constraints.hpp
+++ b/turtle/constraints.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_CONSTRAINTS_HPP_INCLUDED
 #define MOCK_CONSTRAINTS_HPP_INCLUDED
 
+#include "config.hpp"
 #include "constraint.hpp"
 #include <boost/ref.hpp>
 #include <boost/utility/enable_if.hpp>
diff --git a/turtle/detail/action.hpp b/turtle/detail/action.hpp
index 9b4ce12..7d8ea77 100644
--- a/turtle/detail/action.hpp
+++ b/turtle/detail/action.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_ACTION_HPP_INCLUDED
 #define MOCK_ACTION_HPP_INCLUDED
 
+#include "../config.hpp"
 #include "lambda.hpp"
 #include <boost/type_traits/remove_reference.hpp>
 #include <boost/type_traits/remove_const.hpp>
diff --git a/turtle/detail/child.hpp b/turtle/detail/child.hpp
index 16268d9..3de8492 100644
--- a/turtle/detail/child.hpp
+++ b/turtle/detail/child.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_CHILD_HPP_INCLUDED
 #define MOCK_CHILD_HPP_INCLUDED
 
+#include "../config.hpp"
 #include "type_name.hpp"
 #include "parent.hpp"
 #include <boost/test/utils/basic_cstring/basic_cstring.hpp>
diff --git a/turtle/detail/context.hpp b/turtle/detail/context.hpp
index e054a63..39ca5bb 100644
--- a/turtle/detail/context.hpp
+++ b/turtle/detail/context.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_CONTEXT_HPP_INCLUDED
 #define MOCK_CONTEXT_HPP_INCLUDED
 
+#include "../config.hpp"
 #include "type_name.hpp"
 #include <boost/noncopyable.hpp>
 #include <boost/optional.hpp>
diff --git a/turtle/detail/expectation_base.hpp b/turtle/detail/expectation_base.hpp
index db1199c..c4c11d2 100644
--- a/turtle/detail/expectation_base.hpp
+++ b/turtle/detail/expectation_base.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_EXPECTATION_BASE_HPP_INCLUDED
 #define MOCK_EXPECTATION_BASE_HPP_INCLUDED
 
+#include "../config.hpp"
 #include "invocation.hpp"
 #include "../sequence.hpp"
 #include <boost/shared_ptr.hpp>
diff --git a/turtle/detail/formatter.hpp b/turtle/detail/formatter.hpp
index abb6449..d8d8be8 100644
--- a/turtle/detail/formatter.hpp
+++ b/turtle/detail/formatter.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_FORMATTER_HPP_INCLUDED
 #define MOCK_FORMATTER_HPP_INCLUDED
 
+#include "../config.hpp"
 #include "../stream.hpp"
 #include <boost/utility/addressof.hpp>
 
diff --git a/turtle/detail/functor.hpp b/turtle/detail/functor.hpp
index f2c814d..2fbeb5d 100644
--- a/turtle/detail/functor.hpp
+++ b/turtle/detail/functor.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_FUNCTOR_HPP_INCLUDED
 #define MOCK_FUNCTOR_HPP_INCLUDED
 
+#include "../config.hpp"
 #include "function.hpp"
 
 namespace mock
diff --git a/turtle/detail/group.hpp b/turtle/detail/group.hpp
index bdccaf8..7d97f00 100644
--- a/turtle/detail/group.hpp
+++ b/turtle/detail/group.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_GROUP_HPP_INCLUDED
 #define MOCK_GROUP_HPP_INCLUDED
 
+#include "../config.hpp"
 #include "verifiable.hpp"
 #include <functional>
 #include <algorithm>
diff --git a/turtle/detail/invocation.hpp b/turtle/detail/invocation.hpp
index 77a7b10..b451cba 100644
--- a/turtle/detail/invocation.hpp
+++ b/turtle/detail/invocation.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_INVOCATION_HPP_INCLUDED
 #define MOCK_INVOCATION_HPP_INCLUDED
 
+#include "../config.hpp"
 #include <boost/noncopyable.hpp>
 #include <stdexcept>
 #include <ostream>
diff --git a/turtle/detail/matcher_base.hpp b/turtle/detail/matcher_base.hpp
index 77cdf49..cfe0e6f 100644
--- a/turtle/detail/matcher_base.hpp
+++ b/turtle/detail/matcher_base.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_MATCHER_BASE_HPP_INCLUDED
 #define MOCK_MATCHER_BASE_HPP_INCLUDED
 
+#include "../config.hpp"
 #include <boost/noncopyable.hpp>
 #include <iosfwd>
 
diff --git a/turtle/detail/object_impl.hpp b/turtle/detail/object_impl.hpp
index 85445c5..6d3276f 100644
--- a/turtle/detail/object_impl.hpp
+++ b/turtle/detail/object_impl.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_OBJECT_IMPL_HPP_INCLUDED
 #define MOCK_OBJECT_IMPL_HPP_INCLUDED
 
+#include "../config.hpp"
 #include "root.hpp"
 #include "parent.hpp"
 #include "type_name.hpp"
diff --git a/turtle/detail/parameter.hpp b/turtle/detail/parameter.hpp
index 79350ea..761eccd 100644
--- a/turtle/detail/parameter.hpp
+++ b/turtle/detail/parameter.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_PARAMETER_HPP_INCLUDED
 #define MOCK_PARAMETER_HPP_INCLUDED
 
+#include "../config.hpp"
 #include <boost/function_types/parameter_types.hpp>
 #include <boost/function_types/function_arity.hpp>
 #include <boost/mpl/at.hpp>
diff --git a/turtle/detail/parent.hpp b/turtle/detail/parent.hpp
index e2a670b..d793273 100644
--- a/turtle/detail/parent.hpp
+++ b/turtle/detail/parent.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_PARENT_HPP_INCLUDED
 #define MOCK_PARENT_HPP_INCLUDED
 
+#include "../config.hpp"
 #include "type_name.hpp"
 #include <boost/test/utils/basic_cstring/io.hpp>
 #include <boost/optional.hpp>
diff --git a/turtle/detail/root.hpp b/turtle/detail/root.hpp
index cae580e..2f234c4 100644
--- a/turtle/detail/root.hpp
+++ b/turtle/detail/root.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_ROOT_HPP_INCLUDED
 #define MOCK_ROOT_HPP_INCLUDED
 
+#include "../config.hpp"
 #include "parent.hpp"
 #include "group.hpp"
 #include "context.hpp"
diff --git a/turtle/detail/sequence_impl.hpp b/turtle/detail/sequence_impl.hpp
index e7048a8..63ed319 100644
--- a/turtle/detail/sequence_impl.hpp
+++ b/turtle/detail/sequence_impl.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_SEQUENCE_IMPL_HPP_INCLUDED
 #define MOCK_SEQUENCE_IMPL_HPP_INCLUDED
 
+#include "../config.hpp"
 #include <boost/noncopyable.hpp>
 #include <boost/shared_ptr.hpp>
 #include <algorithm>
diff --git a/turtle/detail/signature.hpp b/turtle/detail/signature.hpp
index 2f7985d..42d1e63 100644
--- a/turtle/detail/signature.hpp
+++ b/turtle/detail/signature.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_SIGNATURE_HPP_INCLUDED
 #define MOCK_SIGNATURE_HPP_INCLUDED
 
+#include "../config.hpp"
 #include <boost/function_types/parameter_types.hpp>
 #include <boost/function_types/function_type.hpp>
 #include <boost/function_types/result_type.hpp>
diff --git a/turtle/detail/type_name.hpp b/turtle/detail/type_name.hpp
index c43b6d9..4a72bb9 100644
--- a/turtle/detail/type_name.hpp
+++ b/turtle/detail/type_name.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_TYPE_NAME_HPP_INCLUDED
 #define MOCK_TYPE_NAME_HPP_INCLUDED
 
+#include "../config.hpp"
 #include <boost/test/utils/basic_cstring/io.hpp>
 #include <boost/algorithm/string/replace.hpp>
 #include <boost/algorithm/string/erase.hpp>
diff --git a/turtle/detail/verifiable.hpp b/turtle/detail/verifiable.hpp
index f7d59b3..bfa525d 100644
--- a/turtle/detail/verifiable.hpp
+++ b/turtle/detail/verifiable.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_VERIFIABLE_HPP_INCLUDED
 #define MOCK_VERIFIABLE_HPP_INCLUDED
 
+#include "../config.hpp"
 #include <boost/noncopyable.hpp>
 
 namespace mock
diff --git a/turtle/format.hpp b/turtle/format.hpp
index e64d012..69add89 100644
--- a/turtle/format.hpp
+++ b/turtle/format.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_FORMAT_HPP_INCLUDED
 #define MOCK_FORMAT_HPP_INCLUDED
 
+#include "config.hpp"
 #include "detail/formatter.hpp"
 
 namespace mock
diff --git a/turtle/log.hpp b/turtle/log.hpp
index a62c101..4d73950 100644
--- a/turtle/log.hpp
+++ b/turtle/log.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_LOG_HPP_INCLUDED
 #define MOCK_LOG_HPP_INCLUDED
 
+#include "config.hpp"
 #include "stream.hpp"
 #include "format.hpp"
 #include <boost/utility/enable_if.hpp>
diff --git a/turtle/matcher.hpp b/turtle/matcher.hpp
index 3c4dd07..ba5038e 100644
--- a/turtle/matcher.hpp
+++ b/turtle/matcher.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_MATCHER_HPP_INCLUDED
 #define MOCK_MATCHER_HPP_INCLUDED
 
+#include "config.hpp"
 #include "log.hpp"
 #include "constraint.hpp"
 #include "detail/is_functor.hpp"
diff --git a/turtle/object.hpp b/turtle/object.hpp
index 31a71e5..5969bd2 100644
--- a/turtle/object.hpp
+++ b/turtle/object.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_OBJECT_HPP_INCLUDED
 #define MOCK_OBJECT_HPP_INCLUDED
 
+#include "config.hpp"
 #include "detail/root.hpp"
 #include "detail/type_name.hpp"
 #include "detail/object_impl.hpp"
diff --git a/turtle/reset.hpp b/turtle/reset.hpp
index b232237..30f5d2c 100644
--- a/turtle/reset.hpp
+++ b/turtle/reset.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_RESET_HPP_INCLUDED
 #define MOCK_RESET_HPP_INCLUDED
 
+#include "config.hpp"
 #include "object.hpp"
 #include "detail/root.hpp"
 #include "detail/functor.hpp"
diff --git a/turtle/sequence.hpp b/turtle/sequence.hpp
index b5e5408..247a816 100644
--- a/turtle/sequence.hpp
+++ b/turtle/sequence.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_SEQUENCE_HPP_INCLUDED
 #define MOCK_SEQUENCE_HPP_INCLUDED
 
+#include "config.hpp"
 #include "detail/sequence_impl.hpp"
 #include <boost/shared_ptr.hpp>
 
diff --git a/turtle/stream.hpp b/turtle/stream.hpp
index f914a4c..89ac224 100644
--- a/turtle/stream.hpp
+++ b/turtle/stream.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_STREAM_HPP_INCLUDED
 #define MOCK_STREAM_HPP_INCLUDED
 
+#include "config.hpp"
 #include <boost/utility/addressof.hpp>
 #include <ostream>
 
diff --git a/turtle/verify.hpp b/turtle/verify.hpp
index c1f9e5f..55745b8 100644
--- a/turtle/verify.hpp
+++ b/turtle/verify.hpp
@@ -9,6 +9,7 @@
 #ifndef MOCK_VERIFY_HPP_INCLUDED
 #define MOCK_VERIFY_HPP_INCLUDED
 
+#include "config.hpp"
 #include "object.hpp"
 #include "detail/root.hpp"
 #include "detail/functor.hpp"