CMake Error at cmake/Codegen.cmake:205 (message):

[fatalfeel]

CMake Error at cmake/Codegen.cmake:205 (message):
Failed to get generated_cpp list
Call Stack (most recent call first):
caffe2/CMakeLists.txt:2 (include)

[fatalfeel]

//solved
gedit ./cmake/Codegen.cmake

set(GEN_COMMAND
"${PYTHON_EXECUTABLE}" ${CMAKE_CURRENT_LIST_DIR}/../aten/src/ATen/gen.py
#to
find_package (Python COMPONENTS Interpreter)
set(GEN_COMMAND
"${Python_EXECUTABLE}" ${CMAKE_CURRENT_LIST_DIR}/../aten/src/ATen/gen.py