fix: update build hardening flags and cmake configuration

[mhduiy]

1. Removed redundant compiler flags from CMakeLists.txt that are now handled by debian/rules
2. Added security hardening build options in debian/rules including:
   • Enabling all hardening features
   • Adding -Wall warning flags for C/C++
   • Setting secure linker flags (RELRO, NOW, noexecstack)
3. Cleaned up CMake configuration by removing duplicate flags that are now handled at Debian build level

fix: 更新构建加固标志和cmake配置

1. 从CMakeLists.txt中移除了现在由debian/rules处理的冗余编译器标志
2. 在debian/rules中添加了安全加固构建选项包括：
   • 启用所有加固功能
   • 为C/C++添加-Wall警告标志
   • 设置安全链接器标志(RELRO, NOW, noexecstack)
3. 通过移除现在由Debian构建层处理的重复标志来清理CMake配置

Summary by Sourcery

Consolidate security and warning flags into debian/rules for build hardening and clean up redundant CMake settings

Enhancements:

• Enable comprehensive security hardening and warning flags in the Debian build configuration

Build:

• Remove redundant compiler flags from CMakeLists.txt now managed by debian/rules
• Add secure linker flags (RELRO, NOW, noexecstack) and -Wall warnings to debian/rules

[sourcery-ai]

Hey @mhduiy - I've reviewed your changes and they look great!

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[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 在debian/rules文件中新增的编译选项可能会影响构建过程，需要确认这些选项是否适用于所有目标平台。
• 在CMakeLists.txt文件中移除了-fstack-protector-all选项，这可能会降低程序的安全性，需要评估是否确实需要移除。

是否建议立即修改:

• 是，需要确保新增的编译选项不会导致构建失败或影响程序的安全性。如果移除-fstack-protector-all选项是有意为之，应确保程序的安全性不会因此受到影响。

[sourcery-ai]

Reviewer's Guide

This PR consolidates security hardening and warning flags into the Debian build layer by removing redundant flags from CMakeLists.txt and introducing comprehensive build-hardening and warning options in debian/rules.

File-Level Changes

Change	Details	Files
Remove redundant compiler and linker flags from CMakeLists.txt	Delete CMAKE_CXX_FLAGS line Strip out -W, -Wall, -fPIC, -fstack-protector-all, -z relro, -z noexecstack, -z now and -pie flags	src/CMakeLists.txt
Add comprehensive security hardening and warning flags in debian/rules	Enable all available hardening features Add -Wall warning flags for C/C++ Set RELRO, NOW and noexecstack linker flags	debian/rules

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: 18202781743, mhduiy

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

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• debian/deepin/OWNERS

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