[CMake] automatic cmake run when specific files change

[James Bigler]

On Tue, Oct 13, 2009 at 4:16 PM, Hendrik Sattler
<post at hendrik-sattler.de> wrote:
> Hi,
>
> when changing a CMakeLists.txt file and calling make, then cmake automatically
> runs. I want to achieve the same thing but for specific files.
>
> The situation: DocBook/XML files are parsed at cmake times to get the names of
> the output files. If the docbook files change, the names of the output files may
> also change, so cmake needs to be run again to update the rules.
>
> How can this be done?
>
> Thanks
>
> HS
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Yes.  What you need to do is add the DocBook/XML files to the
dependency list of the add_custom_command that is used to generate the
output file.  When those files change, then the add_custom_command
will be run again.  See the documentation for add_custom_command.

James