build(deps): add Qt5 compatibility support alongside Qt6

[add-uos]

Update package dependencies and build configuration to support both Qt5 and Qt6 versions. The debian/control file now uses alternative syntax for Qt-related dependencies, allowing the package to build on systems with either Qt version. Added automatic Qt version detection in debian/rules to determine the appropriate CMake configuration at build time. This change improves package compatibility across different Debian/Ubuntu environments while maintaining the primary Qt6 support.

Summary by Sourcery

Add dual Qt5/Qt6 compatibility to the Debian packaging and build configuration.

Build:

• Update Debian control dependencies to allow building with either Qt5 or Qt6.
• Add Qt version auto-detection in debian/rules to configure CMake appropriately at build time.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds dual Qt5/Qt6 build support by relaxing Debian package dependencies and introducing automatic Qt version detection to drive the CMake configuration in debian/rules, while keeping Qt6 as the primary target.

File-Level Changes

Change	Details	Files
Allow building the package against either Qt5 or Qt6 via Debian dependency alternates.	Update Qt-related Build-Depends to use Qt5/Qt6 alternative dependency syntax so either version can satisfy the requirement. Ensure binary package Depends (and any -dev package relationships) reflect the dual Qt5/Qt6 compatibility model, matching the build-time alternates. Keep Qt6 as the preferred/default by ordering or selecting Qt6-first where relevant in dependency alternates.	debian/control
Add automatic Qt version detection in the build rules to select the appropriate CMake configuration.	Introduce logic to detect an available Qt major version (e.g., via qmake, pkg-config, or CMake package presence) at build time. Set an environment variable or CMake option (such as -DQT_MAJOR_VERSION or Qt5/Qt6-specific flags) based on the detected Qt version. Adjust existing dh_auto_configure / CMake invocation to pass the selected Qt version configuration while keeping Qt6 as the primary/expected path when both are present.	debian/rules

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[sourcery-ai]

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[lzwind]

缺包了 本地编译看下

[add-uos]

/merge

[deepin-bot]

This pr cannot be merged! (status: blocked)

[deepin-ci-robot]

deepin pr auto review

我来对这个diff进行详细的代码审查：

1. 语法逻辑分析：

• 代码在语法上是正确的，符合Debian包管理的规范和CMake的语法要求
• 使用了正确的依赖关系符号(| 表示或关系)
• CMakeLists.txt中的宏定义和条件判断逻辑合理

2. 代码质量改进建议：

• 在debian/control中，建议将相关的依赖分组，比如Qt相关的依赖放在一起，DTK相关的依赖放在一起，这样便于维护
• debian/rules中的detect_qt_version宏可以考虑添加更多的错误处理机制
• CMakeLists.txt中的SET_QT_VERSION宏可以优化，直接使用find_package的版本检测功能

3. 代码性能优化：

• debian/rules中启用了--parallel选项，这是好的实践
• 建议在CMakeLists.txt中添加编译优化选项，如-O2

4. 代码安全考虑：

• 依赖版本的控制是合理的，使用了版本约束
• 建议在debian/control中明确指定最低版本要求，而不是仅依赖或关系
• CMakeLists.txt中的版本检查可以更加严格，避免使用不兼容的Qt版本

具体改进建议：

1. debian/control改进：

Build-Depends: debhelper-compat (= 11),
 # Qt Dependencies
 qt6-base-dev (>= 6.2.0) | qtbase5-dev (>= 5.12.0),
 qt6-base-dev-tools | qtbase5-dev-tools,
 qt6-base-private-dev | qtbase5-private-dev,
 # DTK Dependencies
 libdtk6gui-dev (>= 6.0.0) | libdtkgui-dev (>= 5.4.0),
 libdtk6widget-dev (>= 6.0.0) | libdtkwidget-dev (>= 5.4.0),
 # Other Dependencies
 ...

2. debian/rules改进：

define detect_qt_version
    ifneq (,$(shell which qmake6 2>/dev/null))
        QT_VERSION_MAJOR := 6
        QT_DIR := "/usr/lib/$(DEB_HOST_MULTIARCH)/cmake/Qt6"
    else ifneq (,$(shell which qmake 2>/dev/null))
        QT_VERSION_MAJOR := 5
        QT_DIR := "/usr/lib/$(DEB_HOST_MULTIARCH)/cmake/Qt5"
    else
        $(error Neither Qt5 nor Qt6 found)
    endif
endef

3. CMakeLists.txt改进：

# 优先尝试Qt6
find_package(Qt6 COMPONENTS Core QUIET)
if(Qt6_FOUND)
    set(QT_VERSION_MAJOR 6)
else()
    # 回退到Qt5
    find_package(Qt5 COMPONENTS Core REQUIRED)
    set(QT_VERSION_MAJOR 5)
endif()

# 添加编译优化
if(CMAKE_BUILD_TYPE STREQUAL "Release")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
endif()

这些改进将提高代码的可维护性、性能和安全性，同时保持向后兼容性。

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: add-uos, lzwind

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• debian/deepin/OWNERS

Approvers can indicate their approval by writing /approve in a comment
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[add-uos]

/merge