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+// file : build2/cxx/utility -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license : MIT; see accompanying LICENSE file
+
+#ifndef BUILD2_CXX_UTILITY
+#define BUILD2_CXX_UTILITY
+
+#include <string>
+
+#include <build2/types>
+#include <build2/target>
+
+#include <build2/config/utility>
+
+namespace build2
+{
+ namespace cxx
+ {
+ using config::append_options;
+
+ // T is either target or scope.
+ //
+ template <typename T>
+ void
+ append_std (cstrings& args, T&, std::string& storage);
+
+ // Append library options from one of the cxx.export.* variables
+ // recursively, prerequisite libraries first.
+ //
+ void
+ append_lib_options (cstrings& args, target&, const char* variable);
+ }
+}
+
+#include <build2/cxx/utility.txx>
+
+#endif // BUILD2_CXX_UTILITY