[CMake] Alternative IDL compiler, and adding non-present sources

[Eric Noulard]

2009/1/27 Jose Luis Blanco <jlblanco at ctima.uma.es>:
> Hi all!
>
> Issue 1:
>
> Porting an old project to CMake I realized there's no way to modify the
> predefined behavior when one adds an IDL file to a Visual Studio
> project, which is associating it to "midl".
>
> In our project we'd rather need to execute a different IDL compiler
> (TAO_IDL), but declaring an "add_custom_command" i.e. in PREBUILD has no
> effect since the "midl" association is hard-coded in the generator.

There is a pending bug open for this issue:
http://public.kitware.com/Bug/view.php?id=7845

> I am thinking on writing a patch for this, but prefer to have opinions
> about the preferred way to do it to be consistent with the rest of CMake
> commands and variables.
>
>
> Issue 2:
>
> Also related to the compilation of IDL files: If .cpp/.h files, which
> does not exist yet but will be built by the IDL compiler, are added to
> the project, CMake correctly complains about non-existing sources... Is
> there any way to force CMake to add them and "trust us" that those
> sources will exist someday?

Yes there is you can flag the files as "GENERATED" with:

set_source_files_properties(file1 file2 .... PROPERTIES GENERATED TRUE)



-- 
Erk