stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork

2026-02-24 18:38:47 +00:00
parent da8c28aaeb
commit 65cb2619a7
13106 changed files with 2484322 additions and 1804 deletions
@@ -0,0 +1,41 @@
+/*!
+@file
+Defines `boost::hana::Metafunction`.
+
+@copyright Louis Dionne 2013-2017
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+ */
+
+#ifndef BOOST_HANA_CONCEPT_METAFUNCTION_HPP
+#define BOOST_HANA_CONCEPT_METAFUNCTION_HPP
+
+#include <boost/hana/fwd/concept/metafunction.hpp>
+
+#include <boost/hana/config.hpp>
+#include <boost/hana/core/tag_of.hpp>
+#include <boost/hana/detail/integral_constant.hpp>
+
+
+BOOST_HANA_NAMESPACE_BEGIN
+    namespace detail {
+        template <typename F, typename Tag = typename tag_of<F>::type>
+        struct metafunction_dispatch
+            : hana::integral_constant<bool,
+                Metafunction<Tag>::value
+            >
+        { };
+
+        template <typename F>
+        struct metafunction_dispatch<F, F>
+            : hana::integral_constant<bool, false>
+        { };
+    }
+
+    template <typename F>
+    struct Metafunction
+        : detail::metafunction_dispatch<F>
+    { };
+BOOST_HANA_NAMESPACE_END
+
+#endif // !BOOST_HANA_CONCEPT_METAFUNCTION_HPP