[CMake] Generate cmake target that other libraries can use

... to express their dependency on boost tuple and get
usage requiremments, such as the include directory

CMakeLists.txt

@@ -0,0 +1,22 @@
+# Copyright 2018 Mike Dev
+# 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
+#
+# NOTE: CMake support for Boost.Tuple is currently experimental at best
+#       and the interface is likely to change in the future
+
+cmake_minimum_required(VERSION 3.5)
+project(BoostTuple)
+
+add_library(boost_tuple INTERFACE)
+add_library(Boost::tuple ALIAS boost_tuple)
+
+target_include_directories(boost_tuple INTERFACE include)
+
+target_link_libraries(boost_tuple
+    INTERFACE
+        Boost::config
+        Boost::core
+        Boost::static_assert
+        Boost::type_traits
+)