Refactor CMakeLists

Closes #2471
Closes #1816

example/advanced/server/CMakeLists.txt

@@ -1,5 +1,6 @@
 #
 # Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
+# Copyright (c) 2024 Mohammad Nejati
 #
 # 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)
@@ -7,17 +8,10 @@
 # Official repository: https://github.com/boostorg/beast
 #
 
-GroupSources(include/boost/beast beast)
-GroupSources(example/advanced/server "/")
-
-add_executable (advanced-server
-    ${BOOST_BEAST_FILES}
+add_executable(advanced-server
     Jamfile
-    advanced_server.cpp
-)
+    advanced_server.cpp)
 
-target_link_libraries(advanced-server
-    lib-asio
-    lib-beast)
+target_link_libraries(advanced-server PRIVATE Boost::beast)
 
-set_property(TARGET advanced-server PROPERTY FOLDER "example-advanced-server")
+set_target_properties(advanced-server PROPERTIES FOLDER "example-advanced-server")