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qETRC在ArchLinxu的构建

2025-09-13

Qt Application Build

ArchLinux

/

Railway

/

qETRC

qETRC在ArchLinxu的构建方法#

安装第三方库#

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sudo pacman -S base-devel cmake qt6-base qt6-tools qt6-declarative qt6-quickcontrols2 qt6-svg qt6-webengine qt6-webchannel qt6-webview qt6-websockets qt6-x11extras SARibbon

子模块初始化#

在项目根目录下：

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git submodule init
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git submodule update

然后正常进行CMake构建即可：

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mkdir build
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cd build
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cmake ..
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make

问题#

在使用git子模块初始化SARibbon后，构建过程中出现了以下错误：

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CMake Error at CMakeLists.txt:121 (get_target_property):
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  The LOCATION property may not be read from target "SARibbonBar". Use the
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  target name directly with add_custom_command, or use the generator
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  expression $<TARGET_FILE>, as appropriate.

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-- SARibbon lib SARibbonBar_LIB_FILE-NOTFOUND
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-- Could NOT find QWindowKit (missing: QWindowKit_DIR)
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-- QWK not found, install not performed
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-- Flags:   -- -- -g -- -O3 -DNDEBUG
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-- Configuring incomplete, errors occurred!

修改内容#

1. 修改SARibbon安装部分#

将原来使用已弃用的LOCATION属性的代码：

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if (AUTO_INSTALL_SARibbon AND SARIBBON_FOUND)
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    get_target_property(SARibbonBar_LIB_FILE SARibbonBar LOCATION_${CMAKE_BUILD_TYPE})
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    message(STATUS "SARibbon lib ${SARibbonBar_LIB_FILE}")
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    install(FILES ${SARibbonBar_LIB_FILE} DESTINATION ${CMAKE_INSTALL_BINDIR})
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endif()

修改为使用CMake生成器表达式：

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if (AUTO_INSTALL_SARibbon AND SARIBBON_FOUND)
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    # 使用generator表达式代替get_target_property，避免LOCATION属性错误
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    set(SARibbonBar_LIB_FILE "$<TARGET_FILE:SARibbonBar>")
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    message(STATUS "SARibbon lib ${SARibbonBar_LIB_FILE}")
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    install(TARGETS SARibbonBar DESTINATION ${CMAKE_INSTALL_BINDIR})
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endif()

2. 修改QWindowKit安装部分#

同样，将QWindowKit相关的代码：

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find_package(QWindowKit CONFIG)
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if (QWindowKit_FOUND)
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    get_target_property(QWK_CORE_FILE QWindowKit::Core LOCATION_${CMAKE_BUILD_TYPE})
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    get_target_property(QWK_WIDGETS_FILE QWindowKit::Widgets LOCATION_${CMAKE_BUILD_TYPE})
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    message(STATUS "QWK lib ${QWK_CORE_FILE}")
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    install(FILES ${QWK_CORE_FILE} ${QWK_WIDGETS_FILE} DESTINATION ${CMAKE_INSTALL_BINDIR})
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else()

修改为：

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find_package(QWindowKit CONFIG)
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if (QWindowKit_FOUND)
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    # 使用generator表达式代替get_target_property，避免LOCATION属性错误
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    set(QWK_CORE_FILE "$<TARGET_FILE:QWindowKit::Core>")
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    set(QWK_WIDGETS_FILE "$<TARGET_FILE:QWindowKit::Widgets>")
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    message(STATUS "QWK lib ${QWK_CORE_FILE}")
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    install(TARGETS QWindowKit::Core QWindowKit::Widgets DESTINATION ${CMAKE_INSTALL_BINDIR})
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else()

修改原因#

LOCATION属性已弃用：CMake官方已经弃用了LOCATION属性，因为它在生成器表达式和多配置生成器中存在问题。错误信息明确建议使用生成器表达式$<TARGET_FILE>代替。
安装方式更新：将install(FILES ...)改为install(TARGETS ...)是更现代的CMake做法，它能够正确处理所有依赖关系和平台特定的安装规则。
生成器表达式的优势：

生成器表达式在构建时而非配置时求值，更适合多配置生成器（如Visual Studio）
能够正确处理不同构建类型（Debug/Release）的目标文件路径
自动处理平台特定的文件扩展名和前缀（如Windows的.dll，Linux的.so）

qETRC在ArchLinxu的构建

https://paradoxmoranis.github.io/posts/qetrc/

Author

MoranisZ

Published at

2025-09-13

License

CC BY-NC-SA 4.0

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