[CMake] Remove folders created by install

[Kuba Ober]

Use something to read the manifest, extract paths from it, remove the duplicates, then iterate them, and remove the ones that are empty. It’d be a bad idea probably to remove ones that are not empty.

Cheers, Kuba

> 16 feb. 2019 kl. 09:47 skrev Felix Crazzolara <felix.crazzolara at gmail.com>:
> 
> Hi everyone
> 
> For my smaller projects I'd like to have 'uninstall' functionality. To remove installed files I can call:
> 
> xargs rm < build/install_manifest.txt
> 
> Unfortunately this won't delete any folders generated by the installation. Is there a different file that keeps track of the created directories, or what is the recommended way to implement such functionality?
> 
> Example:
> Suppose that I install <project-name>_some_header.hpp in <prefix>/include/<project-name>/ using the command install(TARGETS <project-name> EXPORT <project-name>-targets ARCHIVE DESTINATION lib PUBLIC_HEADER DESTINATION include/<project-name>) then I want not only to remove <prefix>/include/<project-name>/<project-name>_some_header.hpp, but also the directory <prefix>/include/<project-name>/.
> 
> Cheers,
> 
> Felix Crazzolara
> 
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