Define _WIN32_WINNT using a cmake macro; support move semantics for parameter; remove address from HttpServer; add utility for dumping endpoints.

CMakeLists.txt

@@ -1,19 +1,32 @@
 cmake_minimum_required(VERSION 3.0)
 project(csoap)
 
-# TODO: Replace with log level.
-option(CSOAP_ENABLE_OUTPUT "Enable output for request & response?" OFF)
+# See: https://stackoverflow.com/a/40217291
+if(WIN32)
+	macro(get_WIN32_WINNT version)
+		if(CMAKE_SYSTEM_VERSION)
+			set(ver ${CMAKE_SYSTEM_VERSION})
+			string(REGEX MATCH "^([0-9]+).([0-9])" ver ${ver})
+			string(REGEX MATCH "^([0-9]+)" verMajor ${ver})
+			# Check for Windows 10, b/c we'll need to convert to hex 'A'.
+			if("${verMajor}" MATCHES "10")
+				set(verMajor "A")
+				string(REGEX REPLACE "^([0-9]+)" ${verMajor} ver ${ver})
+			endif("${verMajor}" MATCHES "10")
+			# Remove all remaining '.' characters.
+			string(REPLACE "." "" ver ${ver})
+			# Prepend each digit with a zero.
+			string(REGEX REPLACE "([0-9A-Z])" "0\\1" ver ${ver})
+			set(${version} "0x${ver}")
+		endif(CMAKE_SYSTEM_VERSION)
+	endmacro(get_WIN32_WINNT)
 
-if(CSOAP_ENABLE_OUTPUT)
-    add_definitions(-DCSOAP_ENABLE_OUTPUT)
-endif()
-
-add_definitions(-DUNICODE -D_UNICODE)
-
-if(MSVC)
-    # Win7 (Boost.Asio needs this)
-    add_definitions(-D_WIN32_WINNT=0x0601)
-endif()
+	get_WIN32_WINNT(ver)
+	# E.g., 0x0601 for Win7.
+	message(STATUS "_WIN32_WINNT=${ver}")
+    # Asio needs this!
+	add_definitions(-D_WIN32_WINNT=${ver})
+endif(WIN32)
 
 # Boost version: 1.66+
 set(Boost_USE_STATIC_LIBS ON)
@@ -25,9 +38,4 @@ endif()
 
 include_directories(${PROJECT_SOURCE_DIR}/src)
 
-if(MSVC)
-    add_definitions(-D_CRT_SECURE_NO_WARNINGS)
-endif()
-
 add_subdirectory(src)
-