I'm trying to build the version 2.7.0 from source. When I run `python setup.py install`, it shows this error:
In file included from bzrlib/_static_tuple_c.h:84,
from bzrlib/_bencode_pyx.c:244:
bzrlib/_import_c_api.h: In function ‘_import_function’:
bzrlib/_import_c_api.h:66:20: warning: implicit declaration of function ‘PyCObject_GetDesc’; did you mean ‘PyObject_GetIter’? [-Wimplicit-function-declaration]
66 | desc = (char *)PyCObject_GetDesc(c_obj);
| ^~~~~~~~~~~~~~~~~
| PyObject_GetIter
bzrlib/_import_c_api.h:66:12: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
66 | desc = (char *)PyCObject_GetDesc(c_obj);
| ^
bzrlib/_import_c_api.h:76:13: warning: implicit declaration of function ‘PyCObject_AsVoidPtr’; did you mean ‘PyLong_AsVoidPtr’? [-Wimplicit-function-declaration]
76 | *func = PyCObject_AsVoidPtr(c_obj);
| ^~~~~~~~~~~~~~~~~~~
| PyLong_AsVoidPtr
bzrlib/_import_c_api.h:76:11: warning: assignment to ‘void *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
76 | *func = PyCObject_AsVoidPtr(c_obj);
| ^
bzrlib/_bencode_pyx.c: In function ‘__pyx_pf_6bzrlib_12_bencode_pyx_7Decoder___init__’:
bzrlib/_bencode_pyx.c:1143:15: warning: implicit declaration of function ‘PyString_AS_STRING’; did you mean ‘PyBytes_AS_STRING’? [-Wimplicit-function-declaration]
1143 | __pyx_t_3 = PyString_AS_STRING(__pyx_v_s); if (unlikely(__pyx_t_3 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
| ^~~~~~~~~~~~~~~~~~
| PyBytes_AS_STRING
bzrlib/_bencode_pyx.c:1143:13: warning: assignment to ‘char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
1143 | __pyx_t_3 = PyString_AS_STRING(__pyx_v_s); if (unlikely(__pyx_t_3 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
| ^
bzrlib/_bencode_pyx.c:1153:15: warning: implicit declaration of function ‘PyString_GET_SIZE’; did you mean ‘PyList_GET_SIZE’? [-Wimplicit-function-declaration]
1153 | __pyx_t_4 = PyString_GET_SIZE(__pyx_v_s); if (unlikely(__pyx_t_4 == -1L)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
| ^~~~~~~~~~~~~~~~~
| PyList_GET_SIZE
bzrlib/_bencode_pyx.c: In function ‘__pyx_f_6bzrlib_12_bencode_pyx_7Decoder__decode_string’:
bzrlib/_bencode_pyx.c:2419:15: warning: implicit declaration of function ‘PyString_FromStringAndSize’; did you mean ‘PyBytes_FromStringAndSize’? [-Wimplicit-function-declaration]
2419 | __pyx_t_4 = PyString_FromStringAndSize(__pyx_v_self->tail, __pyx_v_n); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
| PyBytes_FromStringAndSize
bzrlib/_bencode_pyx.c:2419:13: warning: assignment to ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
2419 | __pyx_t_4 = PyString_FromStringAndSize(__pyx_v_self->tail, __pyx_v_n); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
| ^
bzrlib/_bencode_pyx.c: In function ‘__pyx_pf_6bzrlib_12_bencode_pyx_7Encoder_4__str__’:
bzrlib/_bencode_pyx.c:3657:15: warning: assignment to ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
3657 | __pyx_t_3 = PyString_FromStringAndSize(__pyx_v_self->buffer, __pyx_v_self->size); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
| ^
bzrlib/_bencode_pyx.c: In function ‘__pyx_f_6bzrlib_12_bencode_pyx_7Encoder__append_string’:
bzrlib/_bencode_pyx.c:4120:13: warning: assignment to ‘char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
4120 | __pyx_t_3 = PyString_AS_STRING(__pyx_v_s); if (unlikely(__pyx_t_3 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 324; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
| ^
bzrlib/_bencode_pyx.c: In function ‘__pyx_f_6bzrlib_12_bencode_pyx_7Encoder__encode_string’:
bzrlib/_bencode_pyx.c:4258:13: warning: assignment to ‘char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
4258 | __pyx_t_6 = PyString_AS_STRING(__pyx_v_x); if (unlikely(__pyx_t_6 == NULL)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 336; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
| ^
bzrlib/_bencode_pyx.c: In function ‘PyInit__bencode_pyx’:
bzrlib/_bencode_pyx.c:6223:44: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
6223 | __pyx_type_6bzrlib_12_bencode_pyx_Decoder.tp_print = 0;
| ^
bzrlib/_bencode_pyx.c:6246:44: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’
6246 | __pyx_type_6bzrlib_12_bencode_pyx_Encoder.tp_print = 0;
| ^
bzrlib/_bencode_pyx.c: In function ‘__Pyx_ParseOptionalKeywords’:
bzrlib/_bencode_pyx.c:6508:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
6508 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6508:21: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
6508 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6508:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
6508 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6508:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
6508 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6508:21: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
6508 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6508:21: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
6508 | (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6524:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
6524 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6524:25: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
6524 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6524:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
6524 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6524:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
6524 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6524:25: warning: ‘PyUnicode_AsUnicode’ is deprecated [-Wdeprecated-declarations]
6524 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:580:45: note: declared here
580 | Py_DEPRECATED(3.3) PyAPI_FUNC(Py_UNICODE *) PyUnicode_AsUnicode(
| ^~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c:6524:25: warning: ‘_PyUnicode_get_wstr_length’ is deprecated [-Wdeprecated-declarations]
6524 | (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
| ^
In file included from /usr/include/python3.9/unicodeobject.h:1026,
from /usr/include/python3.9/Python.h:106,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/cpython/unicodeobject.h:446:26: note: declared here
446 | static inline Py_ssize_t _PyUnicode_get_wstr_length(PyObject *op) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c: In function ‘__Pyx_GetException’:
bzrlib/_bencode_pyx.c:6830:24: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
6830 | tmp_type = tstate->exc_type;
| ^~~~~~~~
| curexc_type
bzrlib/_bencode_pyx.c:6831:25: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
6831 | tmp_value = tstate->exc_value;
| ^~~~~~~~~
| curexc_value
bzrlib/_bencode_pyx.c:6832:22: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
6832 | tmp_tb = tstate->exc_traceback;
| ^~~~~~~~~~~~~
| curexc_traceback
bzrlib/_bencode_pyx.c:6833:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
6833 | tstate->exc_type = local_type;
| ^~~~~~~~
| curexc_type
bzrlib/_bencode_pyx.c:6834:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
6834 | tstate->exc_value = local_value;
| ^~~~~~~~~
| curexc_value
bzrlib/_bencode_pyx.c:6835:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
6835 | tstate->exc_traceback = local_tb;
| ^~~~~~~~~~~~~
| curexc_traceback
bzrlib/_bencode_pyx.c: In function ‘__Pyx_ExceptionSwap’:
bzrlib/_bencode_pyx.c:6857:24: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
6857 | tmp_type = tstate->exc_type;
| ^~~~~~~~
| curexc_type
bzrlib/_bencode_pyx.c:6858:25: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
6858 | tmp_value = tstate->exc_value;
| ^~~~~~~~~
| curexc_value
bzrlib/_bencode_pyx.c:6859:22: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
6859 | tmp_tb = tstate->exc_traceback;
| ^~~~~~~~~~~~~
| curexc_traceback
bzrlib/_bencode_pyx.c:6860:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
6860 | tstate->exc_type = *type;
| ^~~~~~~~
| curexc_type
bzrlib/_bencode_pyx.c:6861:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
6861 | tstate->exc_value = *value;
| ^~~~~~~~~
| curexc_value
bzrlib/_bencode_pyx.c:6862:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
6862 | tstate->exc_traceback = *tb;
| ^~~~~~~~~~~~~
| curexc_traceback
bzrlib/_bencode_pyx.c: In function ‘__Pyx_ExceptionSave’:
bzrlib/_bencode_pyx.c:6875:21: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
6875 | *type = tstate->exc_type;
| ^~~~~~~~
| curexc_type
bzrlib/_bencode_pyx.c:6876:22: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
6876 | *value = tstate->exc_value;
| ^~~~~~~~~
| curexc_value
bzrlib/_bencode_pyx.c:6877:19: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
6877 | *tb = tstate->exc_traceback;
| ^~~~~~~~~~~~~
| curexc_traceback
bzrlib/_bencode_pyx.c: In function ‘__Pyx_ExceptionReset’:
bzrlib/_bencode_pyx.c:6889:24: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
6889 | tmp_type = tstate->exc_type;
| ^~~~~~~~
| curexc_type
bzrlib/_bencode_pyx.c:6890:25: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
6890 | tmp_value = tstate->exc_value;
| ^~~~~~~~~
| curexc_value
bzrlib/_bencode_pyx.c:6891:22: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
6891 | tmp_tb = tstate->exc_traceback;
| ^~~~~~~~~~~~~
| curexc_traceback
bzrlib/_bencode_pyx.c:6892:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_type’; did you mean ‘curexc_type’?
6892 | tstate->exc_type = type;
| ^~~~~~~~
| curexc_type
bzrlib/_bencode_pyx.c:6893:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_value’; did you mean ‘curexc_value’?
6893 | tstate->exc_value = value;
| ^~~~~~~~~
| curexc_value
bzrlib/_bencode_pyx.c:6894:13: error: ‘PyThreadState’ {aka ‘struct _ts’} has no member named ‘exc_traceback’; did you mean ‘curexc_traceback’?
6894 | tstate->exc_traceback = tb;
| ^~~~~~~~~~~~~
| curexc_traceback
bzrlib/_bencode_pyx.c: In function ‘__Pyx_CyFunction_Call’:
bzrlib/_bencode_pyx.c:7551:9: warning: ‘PyCFunction_Call’ is deprecated [-Wdeprecated-declarations]
7551 | return PyCFunction_Call(func, arg, kw);
| ^~~~~~
In file included from /usr/include/python3.9/Python.h:120,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/methodobject.h:33:43: note: declared here
33 | Py_DEPRECATED(3.9) PyAPI_FUNC(PyObject *) PyCFunction_Call(PyObject *, PyObject *, PyObject *);
| ^~~~~~~~~~~~~~~~
bzrlib/_bencode_pyx.c: In function ‘__pyx_CyFunction_init’:
bzrlib/_bencode_pyx.c:7616:5: warning: ‘PyCFunction_Call’ is deprecated [-Wdeprecated-declarations]
7616 | __pyx_CyFunctionType_type.tp_call = PyCFunction_Call;
| ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/python3.9/Python.h:120,
from bzrlib/_bencode_pyx.c:4:
/usr/include/python3.9/methodobject.h:33:43: note: declared here
33 | Py_DEPRECATED(3.9) PyAPI_FUNC(PyObject *) PyCFunction_Call(PyObject *, PyObject *, PyObject *);
| ^~~~~~~~~~~~~~~~
Cannot build extension "bzrlib._bencode_pyx".
Use "build_ext --allow-python-fallback" to use slower python implementations instead.
error: command '/usr/bin/gcc' failed with exit code 1
You probably want to use Breezy (https:/