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 +1,42 @@
+#ifndef BOOST_METAPARSE_V1_EMPTY_HPP
+#define BOOST_METAPARSE_V1_EMPTY_HPP
+
+// Copyright Abel Sinkovics (abel@sinkovics.hu)  2010 - 2011.
+// 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/error/end_of_input_expected.hpp>
+#include <boost/metaparse/v1/reject.hpp>
+#include <boost/metaparse/v1/accept.hpp>
+#include <boost/metaparse/v1/define_error.hpp>
+
+#include <boost/mpl/empty.hpp>
+#include <boost/mpl/if.hpp>
+
+namespace boost
+{
+  namespace metaparse
+  {
+    namespace v1
+    {
+      template <class Result>
+      struct empty
+      {
+        typedef empty type;
+        
+        template <class S, class Pos>
+        struct apply :
+          boost::mpl::if_<
+            boost::mpl::empty<S>,
+            accept<Result, S, Pos>,
+            reject<error::end_of_input_expected, Pos>
+          >
+        {};
+      };
+    }
+  }
+}
+
+#endif
+