revert to cmake as build system

Author: emanspeaks

.cspell.jsonc

@@ -29,6 +29,6 @@
   "words": [],
   "ignoreWords": [],
   "ignoreRegExpList": [
-    "/\"-W.*\"/",
+    "/-W.*/",
   ]
 }

.gitignore

@@ -8,3 +8,4 @@
 # /buildtools/llvm-*/
 # /buildtools/clang+llvm-*-x86_64-pc-windows-msvc/
 # /buildtools/build/
+/thirdparty/qt/qt/

CMakeLists.txt

@@ -0,0 +1,65 @@
+cmake_minimum_required(VERSION 3.22)
+project(cesium VERSION 0.1.0 LANGUAGES C CXX)
+
+# Set C standard to C17
+set(CMAKE_C_STANDARD 17)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+# Set C++ standard to latest fully supported by Clang++ (C++20)
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+# Set default build type to Release if not specified
+if(NOT CMAKE_BUILD_TYPE)
+  set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
+endif()
+
+# include(FetchContent)
+# set(FETCHCONTENT_QUIET FALSE CACHE BOOL "Suppress output from FetchContent" FORCE)
+
+# Define the executable with modular source files
+add_executable(cesium src/main.cpp)
+
+# Compiler warnings (all platforms)
+target_compile_options(cesium PRIVATE -Wall -Wextra -Wpedantic)
+
+# Platform-specific settings
+if(WIN32)
+  target_compile_definitions(cesium PRIVATE
+    _WIN32_WINNT=0x0601
+    WIN32_LEAN_AND_MEAN
+  )
+  # no gui
+  set_target_properties(cesium PROPERTIES WIN32_EXECUTABLE FALSE)
+  # Force console subsystem for MSVC or MinGW, but not for Clang/lld-link
+  if(MSVC OR MINGW)
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--subsystem,console")
+  endif()
+  # Optionally add Windows-specific libraries here if needed
+elseif(APPLE)
+  # macOS-specific settings (if any)
+elseif(UNIX)
+  # Linux-specific settings (if any)
+endif()
+
+# Clang-specific flags
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+  target_compile_options(cesium PRIVATE -Wno-unused-parameter)
+endif()
+
+# Set output directory for all platforms
+set_target_properties(cesium PROPERTIES
+  RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin
+)
+
+# Installation rules
+install(TARGETS cesium RUNTIME DESTINATION bin)
+
+include(CTest)
+enable_testing()
+
+set(CPACK_PROJECT_NAME ${PROJECT_NAME})
+set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
+include(CPack)

CMakePresets.json

@@ -0,0 +1,34 @@
+{
+  "version": 8,
+  "configurePresets": [
+    {
+      "name": "clang-21.1.0-x86_64-pc-windows-msvc",
+      "displayName": "Clang (llvm-21.1.0, WinSDK libs) Win x64",
+      "description": "Using WinSDK libs and compilers: C = llvm-21.1.0\\bin\\clang.exe, CXX = llvm-21.1.0\\bin\\clang++.exe",
+      "generator": "Ninja",
+      "binaryDir": "${sourceDir}/build",
+      "cacheVariables": {
+        "CMAKE_BUILD_TYPE": "Debug",
+        "CMAKE_EXPORT_COMPILE_COMMANDS": "ON",
+        "CMAKE_C_COMPILER": "c:/cesium/cesiumlang.org/cesium-src/buildtools/llvm-21.1.0/bin/clang.exe",
+        "CMAKE_CXX_COMPILER": "c:/cesium/cesiumlang.org/cesium-src/buildtools/llvm-21.1.0/bin/clang++.exe"
+      }
+    },
+    {
+      "name": "clang-21.1.0-x86_64-pc-windows-mingw",
+      "inherits": "clang-21.1.0-x86_64-pc-windows-msvc",
+      "displayName": "Clang (llvm-21.1.0, mingw libs) Win x64",
+      "description": "Using mingw libs and compilers: C = llvm-21.1.0\\bin\\clang.exe, CXX = llvm-21.1.0\\bin\\clang++.exe",
+      "generator": "Ninja",
+      "binaryDir": "${sourceDir}/build",
+      "cacheVariables": {
+        "CMAKE_C_COMPILER_TARGET": "x86_64-w64-mingw32",
+        "CMAKE_CXX_COMPILER_TARGET": "x86_64-w64-mingw32",
+        "_comment_CMAKE_CXX_COMPILER_TARGET": {
+          "value": "This forces clang++ to link with MinGW libraries and not MSVC",
+          "type": "UNINITIALIZED"
+        }
+      }
+    }
+  ]
+}

buildtools

@@ -21,6 +21,7 @@
       "**/node_modules/**": true,
       "**/.cache/**": true,
       "**/.git/**": true,
+      // "thirdparty/qt/qt/**": true,
 		},
     "files.exclude": {
       "**/node_modules/**": true,

cesium.code-workspace

@@ -1,6 +1,41 @@
-#include <iostream>
+#include <QApplication>
+#include <QWidget>
+#include <QVBoxLayout>
+#include <QLabel>
+#include <QPushButton>
+#include <QMessageBox>
 
-int main(int argc, char** argv){
-    std::cout << "Hello, from cesium!\n";
-    return 0;
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    // Create main window
+    QWidget window;
+    window.setWindowTitle("Cesium Qt Hello World");
+    window.resize(300, 200);
+
+    // Create layout and widgets
+    QVBoxLayout *layout = new QVBoxLayout;
+    
+    QLabel *label = new QLabel("Hello from Cesium with Qt!");
+    label->setAlignment(Qt::AlignCenter);
+    
+    QPushButton *button = new QPushButton("Click me!");
+    
+    // Connect button click to show message
+    QObject::connect(button, &QPushButton::clicked, [&]() {
+        QMessageBox::information(&window, "Hello", "Button clicked in Cesium Qt app!");
+    });
+    
+    // Add widgets to layout
+    layout->addWidget(label);
+    layout->addWidget(button);
+    
+    // Set layout to window
+    window.setLayout(layout);
+    
+    // Show window
+    window.show();
+
+    return app.exec();
 }