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

[J Decker]

could use configure_file instead of writing the file if you have a
cmakelists.template that has some variables to substitute for the c++
files would be easier

On Mon, Feb 3, 2014 at 9:58 AM, J Decker <d3ck0r at gmail.com> wrote:
> 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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