可以将导入的库添加到 target_link_libraries 来处理包含目录吗?

Possible to add an imported library to target_link_libraries that takes care of include directories too?(可以将导入的库添加到 target_link_libraries 来处理包含目录吗?)

问题描述

不知何故，我正在努力找出是否可以在 CMake 中定义导入的库，指定目标属性(include_directories 和库路径)，并希望一旦我将该项目添加到另一个项目中的 target_link_libraries，CMake 将附加包含目录.

somehow I am struggling with finding out whether it is possible to define an imported library in CMake, specifying target properties (include_directories and library path) and hoping that CMake will append the include directories once I add that project to target_link_libraries in another project.

假设我在名为 Module-Conf.cmake 的文件中有一个导入的库:

Let's say I have an imported library in a file called Module-Conf.cmake:

add_library(mymodule STATIC IMPORTED)
set_target_properties(mymodule PROPERTIES IMPORTED_LOCATION "${OUTPUT_DIR}/lib")
set_target_properties(mymodule PROPERTIES INCLUDE_DIRECTORIES "${OUTPUT_DIR}/include")

在一个项目中，我添加了依赖项:

And in a project I add the dependency:

include(Module-Conf)
target_link_libraries(${PROJECT_NAME} mymodule)

CMake 会将 include_directories 属性附加到包含路径吗?现在我看不到路径，所以似乎我必须使用 get_target_property 自己完成?

Will CMake append the include_directories property to the include path? Right now I cannot see the path so it seems that I have to do it by myself by using get_target_property?

问题:我可以做一些 CMake 魔术来自动将包含附加到另一个项目的包含目录吗?

Question: Can I do some CMake magic to automatically append the include to the include directories of another project?

非常感谢.马丁

推荐答案

INCLUDE_DIRECTORIES 属性和 INTERFACE_INCLUDE_DIRECTORIES 属性之间的区别在于传递性.

The difference between the INCLUDE_DIRECTORIES property and the INTERFACE_INCLUDE_DIRECTORIES property is transitivity.

改为设置 INTERFACE_INCLUDE_DIRECTORIES.

http://www.cmake.org/cmake/help/v3.0/manual/cmake-buildsystem.7.html#transitive-usage-requirements

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