[CMake] make_directory deprecated. What's the correct solution to generate directories at build time now?

[iosif neitzke]

I think only the cmake script command make_directory is deprecated, not
the cmake command-line tool -E mode make_directory?

On Tue, Oct 11, 2016 at 5:21 PM, Paulo Waelkens
<paulo.waelkens at gmail.com> wrote:
> Hello,
>
> to create a cmake directory at build time
> (http://stackoverflow.com/questions/3702115/creating-a-directory-in-cmake)
> you could use
>
> add_custom_target(build-time-make-directory ALL
>     COMMAND ${CMAKE_COMMAND} -E make_directory ${directory})
>
> "make_directory" is now listed as deprecated in the new cmake documentation
> (https://cmake.org/cmake/help/v3.6/command/make_directory.html).
>
> How exactly could I repeat the original behaviour without using deprecated
> functionality?
> I understand that I'm supposed to use file(MAKE_DIRECTORY ${directory})
> somehow, but don't understand how exactly to connect this with COMMAND.
>
> I've tried to use
> COMMAND ${CMAKE_COMMAND} -E file ...       (definitely wrong, because
> cmake.exe -E <command> [args...] does not list "file" as an available
> command)
> COMMAND file(MAKE_DIRECTORY ${directory})   (wrong, again, 'file' is not
> recognized as an internal or external command)
>
> Does anyone know how to do this right? I'll keep using the deprecated stuff
> for now, but that's kind of sad.
>
> Thanks for the help! Cheers,
> Paulo
>
>
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