Build torch-ccl failed #131

https://github.com/IntelAI/models/blob/master/docs/general/pytorch/BareMetalSetup.md
when I installed torch-ccl according guide as below:
git clone https://github.com/intel-innersource/frameworks.ai.pytorch.torch-ccl.git
cd frameworks.ai.pytorch.torch-ccl && git checkout ccl_torch_1.13
git submodule sync
git submodule update --init --recursive
python setup.py install
there are some errors in setup step:
-- The C compiler identification is GNU 11.3.0
-- The CXX compiler identification is GNU 11.3.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Error at /home/fred/anaconda3/envs/ipex-training/lib/python3.9/site-packages/torch/share/cmake/Torch/TorchConfig.cmake:68 (find_package):
Could not find a package configuration file provided by "Caffe2" with any
of the following names:

Caffe2Config.cmake
caffe2-config.cmake

Add the installation prefix of "Caffe2" to CMAKE_PREFIX_PATH or set
"Caffe2_DIR" to a directory containing one of the above files. If "Caffe2"
provides a separate development package or SDK, be sure it has been
installed.
Call Stack (most recent call first):
CMakeLists.txt:27 (find_package)