removing unused boost components

CHANGELOG

+Version 1.1.1
+- removed requirement of unused boost compontents
+
 Version 1.1.0
 - incorporated several improvements
 - Adaption to newest BSDL version

CMakeLists.txt

 cmake_minimum_required(VERSION 3.15)
 
-project (RADIANT LANGUAGES CXX VERSION 1.1.0)
+project (RADIANT LANGUAGES CXX VERSION 1.1.1)
 
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -55,12 +55,12 @@ endif()
 
 # boost
 if (WITH_UNIT_TEST)
-	FIND_PACKAGE(Boost 1.64 COMPONENTS system program_options iostreams filesystem unit_test_framework serialization REQUIRED)
+	FIND_PACKAGE(Boost 1.74 REQUIRED COMPONENTS system program_options iostreams filesystem unit_test_framework)
 else (WITH_UNIT_TEST)
-	FIND_PACKAGE(Boost 1.64 COMPONENTS system program_options iostreams filesystem serialization REQUIRED)
+	FIND_PACKAGE(Boost 1.74 REQUIRED COMPONENTS system program_options iostreams filesystem)
 endif (WITH_UNIT_TEST)
 
-INCLUDE_DIRECTORIES(SYSTEM ${Boost_INCLUDE_DIR})
+include_directories(${Boost_INCLUDE_DIRS})
 link_directories(${Boost_LIBRARY_DIRS})
 ADD_DEFINITIONS( "-DHAS_BOOST" )