cmake type_error ai_generated true

CMake 错误：目标 "mylib" 具有 INTERFACE_LIBRARY 类型，但 target_link_libraries 使用了非 INTERFACE 关键字。

CMake Error: Target "mylib" has INTERFACE_LIBRARY type but target_link_libraries was called with non-INTERFACE keyword.

ID: cmake/target-link-libraries-interface-mismatch

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90%修复率
88%置信度
1证据数
2023-11-20首次发现

版本兼容性

版本状态引入弃用备注
CMake 3.12 active — — —
CMake 3.18 active — — —
CMake 3.27 active — — —

根因分析

INTERFACE 库目标只能使用 INTERFACE 关键字在 target_link_libraries 中链接，但使用了 PUBLIC 或 PRIVATE。

English

An INTERFACE library target can only be linked using INTERFACE keyword in target_link_libraries, but PUBLIC or PRIVATE was used instead.

generic

官方文档

https://cmake.org/cmake/help/latest/command/target_link_libraries.html

解决方案

  1. 将 target_link_libraries(mylib PUBLIC some_dep) 替换为 target_link_libraries(mylib INTERFACE some_dep)。示例：target_link_libraries(mylib INTERFACE some_dep)。
  2. 如果目标应有源文件，将其类型更改为 STATIC 或 SHARED：add_library(mylib STATIC source.cpp)。然后根据需要使用 PUBLIC/PRIVATE。

无效尝试

常见但无效的做法:

  1. 85% 失败

    INTERFACE libraries are meant for header-only or pure-interface targets; changing type alters build semantics and may require source files.

  2. 95% 失败

    The dependency is required for consuming targets to find headers or propagate compile definitions.