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// file      : build/cxx/link -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license   : MIT; see accompanying LICENSE file

#ifndef BUILD_CXX_LINK
#define BUILD_CXX_LINK

#include <vector>

#include <butl/optional>

#include <build/types>
#include <build/rule>

namespace build
{
  namespace cxx
  {
    class link: public rule
    {
    public:
      virtual match_result
      match (action, target&, const std::string& hint) const;

      virtual recipe
      apply (action, target&, const match_result&) const;

      static target_state
      perform_update (action, target&);

      static link instance;

    private:
      friend class compile;

      using search_paths = std::vector<dir_path>;
      using search_paths_cache = butl::optional<search_paths>;

      static target*
      search_library (search_paths_cache&, prerequisite&);

      static search_paths
      extract_library_paths (scope&);
    };
  }
}

#endif // BUILD_CXX_LINK