feat():initial version

install/boost_1_75_0/include/boost/metaparse/config.hpp

@@ -0,0 +1,71 @@
+#ifndef BOOST_METAPARSE_CONFIG_HPP
+#define BOOST_METAPARSE_CONFIG_HPP
+
+// Copyright Abel Sinkovics (abel@sinkovics.hu)  2013.
+// 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/config.hpp>
+
+/*
+ * Compiler workarounds
+ */
+
+// BOOST_NO_CXX11_CONSTEXPR is not defined in gcc 4.6
+#if \
+  defined BOOST_NO_CXX11_CONSTEXPR || defined BOOST_NO_CONSTEXPR || ( \
+    !defined __clang__ && defined __GNUC__ \
+    && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)) \
+  )
+
+#  define BOOST_NO_CONSTEXPR_C_STR
+
+#endif
+
+/*
+ * C++ standard to use
+ */
+
+// Allow overriding this
+#ifndef BOOST_METAPARSE_STD
+
+// special-case MSCV >= 1900 as its constexpr support is good enough for
+// Metaparse
+#  if \
+    !defined BOOST_NO_CXX11_VARIADIC_TEMPLATES \
+    && !defined BOOST_NO_VARIADIC_TEMPLATES \
+    && ( \
+      (!defined BOOST_NO_CONSTEXPR && !defined BOOST_NO_CXX11_CONSTEXPR) \
+      || (defined _MSC_VER && _MSC_VER >= 1900) \
+    ) \
+    && (!defined BOOST_GCC || BOOST_GCC >= 40700)
+
+#    if !defined BOOST_NO_CXX14_CONSTEXPR
+
+#      define BOOST_METAPARSE_STD 2014
+
+#    else
+
+#      define BOOST_METAPARSE_STD 2011
+
+#    endif
+
+#  else
+
+#    define BOOST_METAPARSE_STD 1998
+
+#  endif
+
+#endif
+
+/*
+ * Metaparse config
+ */
+
+#if BOOST_METAPARSE_STD >= 2011
+#  define BOOST_METAPARSE_VARIADIC_STRING
+#endif
+
+#endif
+