Use proper CMakeLists.txt for network and client directories

src/CMakeLists.txt

@@ -352,6 +352,7 @@ add_custom_target(GenerateVersion
 	WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}")
 
 add_subdirectory(jthread)
+add_subdirectory(network)
 add_subdirectory(script)
 add_subdirectory(util)
 
@@ -431,10 +432,7 @@ set(common_SRCS
 	version.cpp
 	voxel.cpp
 	voxelalgorithms.cpp
-	network/connection.cpp
-	network/networkpacket.cpp
-	network/packethandlers/server.cpp
-	network/serveropcodes.cpp
+	${common_network_SRCS}
 	${JTHREAD_SRCS}
 	${common_SCRIPT_SRCS}
 	${UTIL_SRCS}
@@ -461,9 +459,16 @@ if(WIN32)
 endif()
 
 # Client sources
+
+if (BUILD_CLIENT)
+	add_subdirectory(client)
+endif(BUILD_CLIENT)
+
 set(minetest_SRCS
 	${common_SRCS}
 	${sound_SRCS}
+	${client_SRCS}
+	${client_network_SRCS}
 	camera.cpp
 	chat.cpp
 	client.cpp
@@ -498,9 +503,6 @@ set(minetest_SRCS
 	sky.cpp
 	tile.cpp
 	wieldmesh.cpp
-	client/clientlauncher.cpp
-	network/clientopcodes.cpp
-	network/packethandlers/client.cpp
 	${minetest_SCRIPT_SRCS}
 )
 list(SORT minetest_SRCS)

src/client/CMakeLists.txt

@@ -0,0 +1,4 @@
+set(client_SRCS
+	${CMAKE_CURRENT_SOURCE_DIR}/clientlauncher.cpp
+	PARENT_SCOPE
+)

src/network/CMakeLists.txt

@@ -0,0 +1,15 @@
+set(common_network_SRCS
+	${CMAKE_CURRENT_SOURCE_DIR}/connection.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/networkpacket.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/packethandlers/server.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/serveropcodes.cpp
+	PARENT_SCOPE
+)
+
+if (BUILD_CLIENT)
+	set(client_network_SRCS
+		${CMAKE_CURRENT_SOURCE_DIR}/clientopcodes.cpp
+		${CMAKE_CURRENT_SOURCE_DIR}/packethandlers/client.cpp
+		PARENT_SCOPE
+	)
+endif(BUILD_CLIENT)