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

[Gimmeamilk]

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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