can not install the C++ backend for the protobuf Python library

[TigerWang]

3.13.5-200.fc20.x86_64
gcc version 4.8.2 20131212 (Red Hat 4.8.2-7) (GCC)
python 3.4.0rc2

---

[tiger@adam python]$ export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp
[tiger@adam python]$ python setup.py build
Using EXPERIMENTAL C++ Implmenetation.
running build
running build_py
running build_ext
building 'google.protobuf.internal.net_proto2___python' extension
gcc -pthread -Wno-unused-result -Werror=declaration-after-statement -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I. -I/usr/local/include/python3.4m -c google/protobuf/pyext/python_descriptor.cc -o build/temp.linux-x86_64-3.4/google/protobuf/pyext/python_descriptor.o
cc1plus: warning: command line option '-Wstrict-prototypes' is valid for C/ObjC but not for C++ [enabled by default]
google/protobuf/pyext/python_descriptor.cc:93:1: warning: deprecated conversion from string constant to 'char' [-Wwrite-strings]
};
^
google/protobuf/pyext/python_descriptor.cc:93:1: warning: deprecated conversion from string constant to 'char_' [-Wwrite-strings]
google/protobuf/pyext/python_descriptor.cc:93:1: warning: deprecated conversion from string constant to 'char_' [-Wwrite-strings]
google/protobuf/pyext/python_descriptor.cc:93:1: warning: deprecated conversion from string constant to 'char_' [-Wwrite-strings]
google/protobuf/pyext/python_descriptor.cc:93:1: warning: deprecated conversion from string constant to 'char_' [-Wwrite-strings]
google/protobuf/pyext/python_descriptor.cc:138:1: error: invalid conversion from 'char_' to 'Py_ssize_t {aka long int}' [-fpermissive]
};
^
google/protobuf/pyext/python_descriptor.cc:138:1: error: invalid conversion from 'destructor {aka void ()(object)}' to 'printfunc {aka int ()(object, IO_FILE, int)}' [-fpermissive]
google/protobuf/pyext/python_descriptor.cc:138:1: error: invalid conversion from 'long unsigned int' to 'const char_' [-fpermissive]
google/protobuf/pyext/python_descriptor.cc:138:1: error: cannot convert 'char_' to 'traverseproc {aka int ()(object, int ()(object, void_), void_)}' in initialization
google/protobuf/pyext/python_descriptor.cc:138:1: error: cannot convert 'PyGetSetDef_' to 'typeobject' in initialization
google/protobuf/pyext/python_descriptor.cc:138:1: error: invalid conversion from 'PyObject_ ()(PyTypeObject, Py_ssize_t) {aka object* ()(typeobject, long int)}' to 'newfunc {aka object* ()(typeobject, object, object)}' [-fpermissive]
google/protobuf/pyext/python_descriptor.cc:138:1: error: invalid conversion from 'PyObject* ()(PyTypeObject, PyObject_, PyObject_) {aka object* ()(typeobject, object, object)}' to 'freefunc {aka void ()(void)}' [-fpermissive]
google/protobuf/pyext/python_descriptor.cc:138:1: error: invalid conversion from 'void ()(void)' to 'inquiry {aka int ()(object)}' [-fpermissive]
google/protobuf/pyext/python_descriptor.cc: In function 'void google::protobuf::python::CFieldDescriptorDealloc(google::protobuf::python::CFieldDescriptor)':
google/protobuf/pyext/python_descriptor.cc:146:9: error: 'struct google::protobuf::python::CFieldDescriptor' has no member named 'ob_type'
self->ob_type->tp_free(reinterpret_cast<PyObject_>(self));
^
google/protobuf/pyext/python_descriptor.cc: In function 'PyObject* google::protobuf::python::CDescriptorPool_NewCDescriptor(const google::protobuf::FieldDescriptor_)':
google/protobuf/pyext/python_descriptor.cc:167:44: error: 'PyString_FromString' was not declared in this scope
field_descriptor->full_name().c_str());
^
google/protobuf/pyext/python_descriptor.cc: In function 'PyObject_ google::protobuf::python::CDescriptorPool_FindFieldByName(google::protobuf::python::CDescriptorPool_, PyObject_)':
google/protobuf/pyext/python_descriptor.cc:178:54: error: 'PyString_AsString' was not declared in this scope
const char* full_field_name = PyString_AsString(arg);
^
google/protobuf/pyext/python_descriptor.cc: In function 'PyObject* google::protobuf::python::CDescriptorPool_FindExtensionByName(google::protobuf::python::CDescriptorPool_, PyObject_)':
google/protobuf/pyext/python_descriptor.cc:199:54: error: 'PyString_AsString' was not declared in this scope
const char* full_field_name = PyString_AsString(arg);
^
google/protobuf/pyext/python_descriptor.cc: At global scope:
google/protobuf/pyext/python_descriptor.cc:270:1: error: invalid conversion from 'char_' to 'Py_ssize_t {aka long int}' [-fpermissive]
};
^
google/protobuf/pyext/python_descriptor.cc:270:1: error: invalid conversion from 'destructor {aka void ()(object)}' to 'printfunc {aka int ()(object, IO_FILE, int)}' [-fpermissive]
google/protobuf/pyext/python_descriptor.cc:270:1: error: invalid conversion from 'long unsigned int' to 'const char_' [-fpermissive]
google/protobuf/pyext/python_descriptor.cc:270:1: error: cannot convert 'char_' to 'traverseproc {aka int ()(object, int ()(object, void_), void_)}' in initialization
google/protobuf/pyext/python_descriptor.cc:270:1: error: cannot convert 'PyMethodDef_' to 'PyMemberDef_' in initialization
google/protobuf/pyext/python_descriptor.cc:270:1: error: invalid conversion from 'PyObject* ()(PyTypeObject, Py_ssize_t) {aka object* ()(typeobject, long int)}' to 'newfunc {aka object* ()(typeobject, object, object)}' [-fpermissive]
google/protobuf/pyext/python_descriptor.cc:270:1: error: invalid conversion from 'PyObject* ()(PyTypeObject, PyObject_, PyObject_) {aka object* ()(typeobject, object, object)}' to 'freefunc {aka void ()(void)}' [-fpermissive]
google/protobuf/pyext/python_descriptor.cc:270:1: error: invalid conversion from 'void ()(void)' to 'inquiry {aka int ()(object)}' [-fpermissive]
google/protobuf/pyext/python_descriptor.cc: In function 'void google::protobuf::python::CDescriptorPoolDealloc(google::protobuf::python::CDescriptorPool)':
google/protobuf/pyext/python_descriptor.cc:273:9: error: 'struct google::protobuf::python::CDescriptorPool' has no member named 'ob_type'
self->ob_type->tp_free(reinterpret_cast<PyObject_>(self));
^
google/protobuf/pyext/python_descriptor.cc: In function 'PyObject* google::protobuf::python::Python_BuildFile(PyObject_, PyObject_)':
google/protobuf/pyext/python_descriptor.cc:298:64: error: 'PyString_AsStringAndSize' was not declared in this scope
if (PyString_AsStringAndSize(arg, &message_type, &message_len) < 0) {
^
error: command 'gcc' failed with exit status 1

[xingfeT]

this package is for python 2.x.