set(PY2CPP_ROOT_DIR $ENV{PY2CPP_ROOT_DIR} CACHE PATH "Path to Py2cpp")
set(Py2cpp_DIR "${PY2CPP_ROOT_DIR}/lib/cmake/py2cpp")
find_package(Py2cpp REQUIRED)
set(PY2CPP_ROOT_DIR $ENV{PY2CPP_ROOT_DIR} CACHE PATH "Path to Py2cpp")
set(Py2cpp_DIR "${PY2CPP_ROOT_DIR}/lib/cmake/py2cpp")
find_package(Py2cpp REQUIRED)