qt 开发环境

## qt环境安装
```
$ pip install --upgrade aqtinstall
$ pip uninstall aqtinstall
$ pip install aqtinstall py7zr
$ pip install aqtinstall==3.3.0
```
```
//列出可用架构
$ aqt list-qt windows desktop --arch 6.8.3
```
```
//列出可用模块
aqt list-qt windows desktop --modules 6.8.3 win64_mingw
```
```
//安装模块
$ aqt install-qt windows desktop 6.8.3 win64_mingw -O D:/qt6.8.3 -m qt5compat qtimageformats qtmultimedia qtshadertools
```
## 配置文件
```cmakelists.txt
cmake_minimum_required(VERSION 3.16)
project(xx LANGUAGES CXX)

set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_AUTOUIC ON)

set(CMAKE_CXX_STANDARD_REQUIRED ON)

find_package(Qt6 REQUIRED COMPONENTS Quick Core QuickControls2 Concurrent Widgets QuickControls2 Gui OpenGL)

qt_standard_project_setup(REQUIRES 6.5)

# include
include_directories(
    "D:/g/pro/cpp/lib/ringbuffer"
)

# src
set(PROJECT_SRC
    main.cpp
    qml.qrc
)

qt_add_executable(hello
    ${PROJECT_SRC}
)

target_link_libraries(xx PRIVATE
    Qt6::Quick
    Qt6::Core
    Qt6::Concurrent
    Qt6::Widgets
    Qt6::QuickControls2
    Qt6::Gui
    Qt6::OpenGL
)

# install
set(CMAKE_INSTALL_PREFIX ${PROJECT_SOURCE_DIR})
install(TARGETS xx DESTINATION bin)
install(FILES "${PROJECT_SOURCE_DIR}/downloaddialog.h" DESTINATION include)

# cpack
include (InstallRequiredSystemLibraries) # windows下有用
set(CPACK_RSC_FILE_LICENSE
    "${CMAKE_CURRENT_SOURCE_DIR}/License.txt")
include(Cpack)
```
```msvc-toolchains
#cmake -G Ninja -DCMAKE_TOOLCHAIN_FILE=../msvc.toolchain.cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS="/Zi /Od /FC" -DCMAKE_EXE_LINKER_FLAGS="/DEBUG /PDB:hello.pdb" .. //msvc带调试符号

# set os
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_VERSION 10)
set(CMAKE_SYSTEM_PROCESSOR x86_64)

if(NOT DEFINED QT_HOME)
    if(EXISTS "D:/qt6.8.3/6.8.3/msvc2022_64")
    set(QT_HOME "D:/qt6.8.3/6.8.3/msvc2022_64")
    elseif(EXISTS "$ENV{QTDIR}")
        set(QT_HOME "$ENV{QTDIR}")
    else()
        message(FATAL_ERROR "请通过 -DQT_HOME= 指定Qt安装路径")
    endif()
endif()

# tool chain
set(MSVC_ROOT "C:/Program Files/Microsoft Visual Studio/2022/Community/VC/Tools/MSVC/14.44.35207/bin/Hostx64/x64")
set(CMAKE_C_COMPILER "${MSVC_ROOT}/cl.exe")
set(CMAKE_CXX_COMPILER "${MSVC_ROOT}/cl.exe")
set(CMAKE_LINKER "${MSVC_ROOT}/link.exe")
set(WINDOWS_SDK_ROOT "D:/Windows Kits/10")
set(CMAKE_RC_COMPILER "${WINDOWS_SDK_ROOT}/bin/10.0.22000.0/x64/rc.exe")

set(CMAKE_C_FLAGS "/Zc:__cplusplus /Zi /Od")
set(CMAKE_CXX_FLAGS_INIT "-DQT_QML_DEBUG")
set(CMAKE_FIND_ROOT_PATH "${QT_HOME}")

# option, whether
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE NEVER)

set(VCPKG_TARGET_TRIPLET x64-windows CACHE STRING "VCPKG Target Triplet")
set(VCPKG_TOOLCHAIN_FILE "D:/softwares/scoop/apps/vcpkg/current/scripts/buildsystems/vcpkg.cmake")
include(${VCPKG_TOOLCHAIN_FILE})

list(APPEND CMAKE_PREFIX_PATH
    "D:/softwares/scoop/apps/vcpkg/current/installed/x64-windows"
    "D:/qt6.8.3/6.8.3/msvc2022_64"
    "${QT_HOME}"
)
set(Qt6_DIR "D:/qt6.8.3/6.8.3/msvc2022_64/lib/cmake/Qt6")

# message
message(STATUS "MSVC Toolchain Configuration:")
message(STATUS "  - C Compiler: ${CMAKE_C_COMPILER}")
message(STATUS "  - C++ Compiler: ${CMAKE_CXX_COMPILER}")
message(STATUS "  - Make Program: ${CMAKE_MAKE_PROGRAM}")
```
```mingw-toolchains
# cmake -G "MinGW Makefiles" -DCMAKE_TOOLCHAIN_FILE=path/to/this/file.cmake ..

# 1. set os
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_PROCESSOR x86_64)

# 2. tool chain
set(MINGW_ROOT "D:/msys64/mingw64")
set(CMAKE_FIND_ROOT_PATH "${MINGW_ROOT}")
set(CMAKE_C_COMPILER "${MINGW_ROOT}/bin/gcc.exe")
set(CMAKE_CXX_COMPILER "${MINGW_ROOT}/bin/g++.exe")
set(CMAKE_RC_COMPILER "${MINGW_ROOT}/bin/windres.exe")

# 3. option, whether
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE NEVER)

# 4. 启用调试参数
# set(CMAKE_FIND_DEBUG_MODE ON)
# set(QT_DEBUG_FIND_PACKAGE ON)

set(CMAKE_C_FLAGS "-march=x86-64 -mtune=generic")
set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -std=c++17")

# 5. message
message(STATUS "MinGW Toolchain Configuration:")
message(STATUS "  - C Compiler: ${CMAKE_C_COMPILER}")
message(STATUS "  - C++ Compiler: ${CMAKE_CXX_COMPILER}")
message(STATUS "  - Make Program: ${CMAKE_MAKE_PROGRAM}")
message(STATUS "  - Root Path: ${CMAKE_FIND_ROOT_PATH}")

# 6. VCPKG
set(CMAKE_PREFIX_PATH "D:/qt6.8.3/6.8.3/mingw_64")
set(VCPKG_TARGET_TRIPLET x64-mingw-dynamic CACHE STRING "VCPKG Target Triplet")
include("D:/softwares/scoop/apps/vcpkg/current/scripts/buildsystems/vcpkg.cmake")
list(APPEND CMAKE_FIND_ROOT_PATH "D:/softwares/scoop/apps/vcpkg/current/installed/x64-mingw-dynamic")
```
## 构建
```
msvc_debug
cmake -G Ninja -DCMAKE_TOOLCHAIN_FILE=../msvc.toolchain.cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS="/Zi /Od /FC" -DCMAKE_EXE_LINKER_FLAGS="/DEBUG /PDB:hello.pdb" ..

msvc_release
cmake -G Ninja -DCMAKE_TOOLCHAIN_FILE=../msvc.toolchain.cmake -DCMAKE_BUILD_TYPE=Release ..

build_mingw debug
cmake -G 'MinGW Makefiles' -DCMAKE_TOOLCHAIN_FILE=../mingw64.toolchain.cmake -DCMAKE_BUILD_TYPE=Debug ..
```

```
$ cmake --build .
```