add boost on mac

macx64/include/boost/gil/concepts/dynamic_step.hpp

@@ -0,0 +1,77 @@
+//
+// Copyright 2005-2007 Adobe Systems Incorporated
+//
+// Distributed under the Boost Software License, Version 1.0
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+//
+#ifndef BOOST_GIL_CONCEPTS_DYNAMIC_STEP_HPP
+#define BOOST_GIL_CONCEPTS_DYNAMIC_STEP_HPP
+
+#include <boost/gil/concepts/fwd.hpp>
+#include <boost/gil/concepts/concept_check.hpp>
+
+#if defined(BOOST_CLANG)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-local-typedefs"
+#endif
+
+#if defined(BOOST_GCC) && (BOOST_GCC >= 40600)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
+#endif
+
+namespace boost { namespace gil {
+
+/// \ingroup PixelIteratorConcept
+/// \brief Concept for iterators, locators and views that can define a type just like the given
+///        iterator, locator or view, except it supports runtime specified step along the X navigation.
+///
+/// \code
+/// concept HasDynamicXStepTypeConcept<typename T>
+/// {
+///     typename dynamic_x_step_type<T>;
+///         where Metafunction<dynamic_x_step_type<T> >;
+/// };
+/// \endcode
+template <typename T>
+struct HasDynamicXStepTypeConcept
+{
+    void constraints()
+    {
+        using type = typename dynamic_x_step_type<T>::type;
+        ignore_unused_variable_warning(type{});
+    }
+};
+
+/// \ingroup PixelLocatorConcept
+/// \brief Concept for locators and views that can define a type just like the given locator or view,
+///        except it supports runtime specified step along the Y navigation
+/// \code
+/// concept HasDynamicYStepTypeConcept<typename T>
+/// {
+///     typename dynamic_y_step_type<T>;
+///         where Metafunction<dynamic_y_step_type<T> >;
+/// };
+/// \endcode
+template <typename T>
+struct HasDynamicYStepTypeConcept
+{
+    void constraints()
+    {
+        using type = typename dynamic_y_step_type<T>::type;
+        ignore_unused_variable_warning(type{});
+    }
+};
+
+}} // namespace boost::gil
+
+#if defined(BOOST_CLANG)
+#pragma clang diagnostic pop
+#endif
+
+#if defined(BOOST_GCC) && (BOOST_GCC >= 40600)
+#pragma GCC diagnostic pop
+#endif
+
+#endif