Without a CUDA compiler pip install . produces the following error:

Context

"pip install ." produces an error while compiling on a computer without a CUDA compiler.

Compiler requires the CUDA toolkit.  Please set the CUDAToolkit_ROOT
        variable.
      Call Stack (most recent call first):
        /tmp/pip-build-env-i0mlyz6t/overlay/lib/python3.10/site-packages/cmake/data/share/cmake-4.0/Modules/CMakeDetermineCUDACompiler.cmake:85 (cmake_cuda_find_toolkit)
        CMakeLists.txt:77 (enable_language)


      -- Configuring incomplete, errors occurred!
      error: command '/tmp/pip-build-env-i0mlyz6t/overlay/bin/cmake' failed with exit code 1

Modified files

• README.md, CUDA compiler added in dependencies;

Detailed major modifications

• No major modification, only additional info for the user.

TODO

Review README.md

• NOT DONE
• DONE
• TO DO

README.md

@@ -19,13 +19,27 @@ The requirements for installing the library are the followings:
     - The AIDGE modules aidge_core, aidge_onnx and aidge_backend_cpu
     - Python (> 3.7) if you intend to use the pybind wrapper
 
+#### Configuration of environment variables
+
+| Variable           | Default value                  | Description                                                                  |
+| :----------------- |:------------------------------:| ----------------------------------------------------------------------------:|
+| AIDGE_INSTALL      | <path to env> / lib / libAidge | Path to the installation folder of Aidge, must be the same used for all aidge  dependencies |
+| AIDGE_C_COMPILER   | gcc                            | C Compiler to use |
+| AIDGE_CXX_COMPILER | g++                            | CXX Compiler to use |
+| AIDGE_BUILD_TYPE   | Release                        | Can either be Release or Debug |
+| AIDGE_ASAN         | OFF                            | Compile with ASAN for debug |
+| AIDGE_WITH_CUDA    | ON                             | Compile CUDA kernel for quantization, requires nvcc and aidge_bakcend_cuda |
+| AIDGE_CMAKE_ARCH   | ""                             | Append architecture-specific arguments if provided |
+| AIDGE_BUILD_GEN    | ""                             | To specify a CMake generator (for example Ninja) |
+
 ### Pip installation
 ``` bash
 pip install . -v
 ```
 > **TIPS :** Use environment variables to change compilation options :
 > - `AIDGE_INSTALL` : to set the installation folder. Defaults to /usr/local/lib. :warning: This path must be identical to aidge_core install path.
-> - `AIDGE_PYTHON_BUILD_TYPE` : to set the compilation mode to **Debug** or **Release** 
+> - `AIDGE_BUILD_TYPE` : to set the compilation mode to **Debug** or **Release** 
+> - `AIDGE_WITH_CUDA` : if your computer hasn't graphical card, don't forget to set if **OFF** 
 > - `AIDGE_BUILD_GEN` : to set the build backend with 
 
 ## User guide