[CMake] Force copy of files

[Eric Noulard]

2016-10-14 19:34 GMT+02:00 Aaron Boxer <boxerab at gmail.com>:

> I have the following lines in my cmake file
>
>
> foreach(f ${MyFiles})
>   add_custom_command(TARGET ${OPENJPEG_PLUGIN_NAME} PRE_BUILD
>                      COMMAND ${CMAKE_COMMAND} -E
>                          copy ${f} $<TARGET_FILE_DIR:${MY_FOLDER}>)
> endforeach()
>
> in order to copy MyFiles to MyFolder.
>
>
> If these files already exist, I would like copy to overwrite the old file.
> Is there a flag to pass to copy to force this to overwrite?
>

I don't think so since the "-E copy" already has the behaviour you describe.
i.e. it will overwrite the file in any case.

Th only variant you have is the copy_if_different which may avoid changing
the timestamp of a file which didn't change.

-- 
Eric
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