VC++ merge multiple COM DLLs into one

Let's say we have multiple libraries (DLLs) whose features one wants to use in an application, and 开发者_开发百科wants to use them as a single DLL.

Is it possible to merge the DLLs into a single one, with all the features packed into it? I am not looking at the option to write a wrapper.

EDIT:

I've revisited the problem. Now all I want to do is bring all the projects under one solution and get a single DLL as the output instead of each project having it's independant output. Is this possible?

You can't literally merge several compiled .dll files into one. Your best bet is to put all files into a single project and recompile as a single library. You will likely have conflicts you'll have to resolve manually.

If you really have several COM in-proc servers you will also have to merge the data that facilitates class factories and COM registration - you will have to do that manually.