Add basic cmake support

CMakeLists.txt

@@ -0,0 +1,40 @@
+# Generated by `boostdep --cmake range`
+# Copyright 2020 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# https://www.boost.org/LICENSE_1_0.txt
+
+cmake_minimum_required(VERSION 3.5...3.16)
+
+project(boost_range VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
+
+add_library(boost_range INTERFACE)
+add_library(Boost::range ALIAS boost_range)
+
+target_include_directories(boost_range INTERFACE include)
+
+target_link_libraries(boost_range
+  INTERFACE
+    Boost::array
+    Boost::assert
+    Boost::concept_check
+    Boost::config
+    Boost::container_hash
+    Boost::conversion
+    Boost::core
+    Boost::detail
+    Boost::iterator
+    Boost::mpl
+    Boost::optional
+    Boost::preprocessor
+    Boost::regex
+    Boost::static_assert
+    Boost::tuple
+    Boost::type_traits
+    Boost::utility
+)
+
+if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
+
+  add_subdirectory(test)
+
+endif()