move from fetchcontent to submodule

.gitmodules

@@ -10,3 +10,9 @@
 [submodule "external/qwt"]
 	path = external/qwt
 	url = https://github.com/Sani7/qwt.git
+[submodule "external/magic_enum"]
+	path = external/magic_enum
+	url = https://github.com/Neargye/magic_enum.git
+[submodule "external/json"]
+	path = external/json
+	url = https://github.com/nlohmann/json.git

client/CMakeLists.txt

@@ -1,21 +1,5 @@
 cmake_minimum_required(VERSION 3.5)
 
-project(Simulator-CVS_I10 VERSION 0.1 LANGUAGES CXX)
-
-set(CMAKE_AUTOUIC ON)
-set(CMAKE_AUTOMOC ON)
-set(CMAKE_AUTORCC ON)
-
-include(FetchContent)
-
-FetchContent_Declare(magic_enum URL https://github.com/Neargye/magic_enum/releases/download/v0.9.6/magic_enum-v0.9.6.tar.gz DOWNLOAD_EXTRACT_TIMESTAMP TRUE)
-FetchContent_MakeAvailable(magic_enum)
-FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.11.3/json.tar.xz DOWNLOAD_EXTRACT_TIMESTAMP TRUE)
-FetchContent_MakeAvailable(json)
-
-set(CMAKE_CXX_STANDARD 20)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-
 find_package(QT NAMES Qt6 REQUIRED COMPONENTS Widgets Svg WebSockets)
 find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets Svg WebSockets)
 

client/simulator_base.h

@@ -9,7 +9,7 @@
 #include "web_socket_wrapper.h"
 #include <QMainWindow>
 #include <QWidget>
-#include <magic_enum.hpp>
+#include <magic_enum/magic_enum.hpp>
 #include <nlohmann/json.hpp>
 using json = nlohmann::json;
 

client/web_socket_wrapper.cpp

@@ -1,6 +1,6 @@
 #include "web_socket_wrapper.h"
-#include "magic_enum.hpp"
 #include "spdlog/spdlog.h"
+#include <magic_enum/magic_enum.hpp>
 
 Web_socket_wrapper::Web_socket_wrapper(const QUrl &url, QObject *parent)
     : QObject(parent), m_web_socket(new QWebSocket("", QWebSocketProtocol::VersionLatest, this)),

external/CMakeLists.txt

@@ -1,3 +1,6 @@
 add_subdirectory(color)
-add_subdirectory(spdlog)
 add_subdirectory(cpp-templates)
+add_subdirectory(json)
+add_subdirectory(magic_enum)
+add_subdirectory(spdlog)
+add_subdirectory(qwt)

server/CAN/CAN_interface.cpp

@@ -1,6 +1,6 @@
 #include "CAN_interface.hpp"
-#include "magic_enum.hpp"
 #include "spdlog/spdlog.h"
+#include <magic_enum/magic_enum.hpp>
 
 CAN_Interface::CAN_Interface(QString dev, QObject *parent) : QObject(parent)
 {

server/CMakeLists.txt

@@ -9,11 +9,6 @@ find_package(Qt6 REQUIRED COMPONENTS Core WebSockets SerialBus)
 qt_standard_project_setup()
 qt_add_executable(server)
 
-include(FetchContent)
-
-FetchContent_Declare(magic_enum URL https://github.com/Neargye/magic_enum/releases/download/v0.9.6/magic_enum-v0.9.6.tar.gz DOWNLOAD_EXTRACT_TIMESTAMP TRUE)
-FetchContent_MakeAvailable(magic_enum)
-
 file(GLOB_RECURSE SIM_SOURCES "simulators/*.[hc]pp")
 file(GLOB_RECURSE CAN_SOURCES "CAN/*.[hc]pp")
 

server/message_parser.cpp

@@ -1,5 +1,5 @@
 #include "simulators.hpp"
-#include <magic_enum.hpp>
+#include <magic_enum/magic_enum.hpp>
 
 QString Simulators::message_parser(QString message)
 {

src/UI/CMakeLists.txt

@@ -1,10 +1,5 @@
 add_library(UI)
 
-include(FetchContent)
-
-FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.11.3/json.tar.xz DOWNLOAD_EXTRACT_TIMESTAMP TRUE)
-FetchContent_MakeAvailable(json)
-
 find_package(Qt6 REQUIRED COMPONENTS Core SerialBus)
 
 set_target_properties(