CMake 链接到外部库 [英] CMake link to external library

问题描述

如何让 CMake 将可执行文件链接到不在同一 CMake 项目中构建的外部共享库?

How to get CMake to link an executable to an external shared library that is not build within the same CMake project?

只是做 target_link_libraries(GLBall ${CMAKE_BINARY_DIR}/res/mylib.so) 给出错误

make[2]: *** No rule to make target `res/mylib.so', needed by `GLBall'.  Stop.
make[1]: *** [CMakeFiles/GLBall.dir/all] Error 2
make: *** [all] Error 2
(GLBall is the executable)

在我将库复制到二进制目录后bin/res.

after I copied the library into the binary dir bin/res.

我尝试使用 find_library(RESULT mylib.so PATHS ${CMAKE_BINARY_DIR}/res)

以 RESULT-NOTFOUND 失败.

推荐答案

首先设置库搜索路径:

link_directories(${CMAKE_BINARY_DIR}/res)

然后就去做

target_link_libraries(GLBall mylib)

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