Regenerate CMakeLists.txt

CMakeLists.txt

@@ -1,8 +1,10 @@
-# Copyright 2018 Mike Dev
+# Generated by `boostdep --cmake tuple`
+# Copyright 2020, 2021 Peter Dimov
 # 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
+# https://www.boost.org/LICENSE_1_0.txt
 
 cmake_minimum_required(VERSION 3.5...3.20)
+
 project(boost_tuple VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
 add_library(boost_tuple INTERFACE)
@@ -11,9 +13,15 @@ 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
+  INTERFACE
+    Boost::config
+    Boost::core
+    Boost::static_assert
+    Boost::type_traits
 )
+
+if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
+
+  add_subdirectory(test)
+
+endif()