[yocto] recipe with prefix to sourcecode path

[Baumann, Michael]

Hi,

I am using CMAKE and wonder how to add a prefix to my recipe so that bitbake searches in the right directory for CMakeLists.txt.
I use the SRC_URI variable to pull from my repository. 
I think the problem is that in the top level directory no CMakeLists.txt file exists and I don't want to add one.

Is there a way to define the search path for the CMakeLists.txt?

I am unfortunately bound to this repository structure:

GitRepo
├── ProjectA
│   ├── CMakeLists.txt
│   ├── source
│   │   ├── CMakeLists.txt
│   │   ├── CodeA
│   │   │   ├── A.cc
│   │   │   └── A.h
│   │   ├── CodeB
│   │   │   ├── B.cc
│   │   │   ├── B.h
│   │   └── main.cc
├── ProjectB
└── X
└── Y
└── Z

Regards,
Michael