CMake：有没有强制链接库？ [英] CMake: Is there anyway to force linking libraries?

问题描述

还是有强制链接库。这在一些库已更改但当前项目的任何源代码没有更改时将很有用。我正在寻找这样的东西：

make link

/cmake/2010-November/041072.htmlrel =nofollow> http://www.cmake.org/pipermail/cmake/2010-November/041072.html

主要的想法是给一个完整的路径target_link_libraries（），而不只是库名。

如果你想显式地触发重新链接自己，你可以使用add_custom_command以创建 make link 的命令，这将删除可执行文件，然后触发常规 make 重建它。 p>

Is there anyway to force linking libraries again. This would be useful when some libraries have changed but there is no change in any of the source codes of current project. I am looking for something like this:

make link

解决方案

CMake should be able to relink automatically when a particular library changes if you follow the tips here: http://www.cmake.org/pipermail/cmake/2010-November/041072.html

The main idea is to give a full path to target_link_libraries(), rather than just the library name. If you give a full path, CMake will actually inspect the file for modification and relink if it has changed.

If you prefer to explicitly trigger relinking yourself, you can use add_custom_command to make a command like make link which will remove the executable and then trigger a regular make to rebuild it.

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