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 +1,51 @@
+#ifndef BOOST_METAPARSE_V1_ALWAYS_HPP
+#define BOOST_METAPARSE_V1_ALWAYS_HPP
+
+// Copyright Abel Sinkovics (abel@sinkovics.hu)  2009 - 2010.
+// 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)
+
+#include <boost/metaparse/v1/accept.hpp>
+#include <boost/metaparse/v1/is_error.hpp>
+#include <boost/metaparse/v1/get_remaining.hpp>
+#include <boost/metaparse/v1/get_position.hpp>
+
+#include <boost/mpl/eval_if.hpp>
+
+namespace boost
+{
+  namespace metaparse
+  {
+    namespace v1
+    {
+      template <class P, class Result>
+      struct always
+      {
+      private:
+        template <class Res>
+        struct apply_unchecked :
+          accept<
+            Result,
+            typename get_remaining<Res>::type,
+            typename get_position<Res>::type
+          >
+        {};
+      public:
+        typedef always type;
+      
+        template <class S, class Pos>
+        struct apply :
+          boost::mpl::eval_if<
+            typename is_error<typename P::template apply<S, Pos> >::type,
+            typename P::template apply<S, Pos>,
+            apply_unchecked<typename P::template apply<S, Pos> >
+          >
+        {};
+      };
+    }
+  }
+}
+
+#endif
+