[CMake] How to read and compile dynamically-generated list of cpp files

[J Decker]

Run another layer of cmake that uses the new file?

On Mon, Feb 3, 2014 at 9:33 AM, Gimmeamilk
<gimmeamilkbttf at googlemail.com> wrote:
> A generated CMake script would only be processed at configuration time. I need something that gets processed at build time. Thanks
>
> On 3 Feb 2014, at 17:29, J Decker <d3ck0r at gmail.com> wrote:
>
>> generate a cmake script and include said script?
>> use FILE() command and open the file to read it?
>>
>> On Mon, Feb 3, 2014 at 8:44 AM, gimmeamilk gimmeamilk
>> <gimmeamilkbttf at googlemail.com> wrote:
>>> Hi all,
>>>
>>> I have a custom tool that processes a given list of IDL files and
>>> produces a number of .cpp and .h files as output. I want to add those
>>> files to the list of things to compile in my CMakeLists, and also
>>> model the dependencies those files have on the IDL. To keep things
>>> simple, I will state that any change to any of the IDL files should
>>> trigger a regeneration of all cpp/h.
>>>
>>> I have a custom command that takes care of running the generator tool
>>> and listing all the IDL files as dependencies.
>>>
>>> My issue is getting the subsequent list of cpp/h files into cmake at
>>> build-time. It is not possible to infer from the name of the IDL files
>>> what cpp files will be generated. My generator tool will, however,
>>> output the list of generated files to a text file.
>>>
>>> So my question is: how do I instruct cmake to "read from this text
>>> file and add the contents as extra source and header files to be
>>> compiled", also bearing in mind that the said text file only exists
>>> during a certain point of the build?
>>>
>>> Many thanks
>>> --
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