From https://github.com/python/cpython
 * branch                  master     -> FETCH_HEAD
Reset branch 'master'

Objects/unicodeobject.c: In function ‘_PyUnicode_CheckConsistency’:
Objects/unicodeobject.c:459:15: warning: variable ‘data’ set but not used [-Wunused-but-set-variable]
         void *data;
               ^~~~
Python/pystrhex.c: In function ‘_Py_strhex_impl’:
Python/pystrhex.c:18:45: warning: passing argument 1 of ‘PyObject_Size’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
         Py_ssize_t seplen = PyObject_Length(sep);
                                             ^~~
In file included from ./Include/Python.h:147,
                 from Python/pystrhex.c:3:
./Include/abstract.h:271:48: note: expected ‘PyObject *’ {aka ‘struct _object *’} but argument is of type ‘const PyObject *’ {aka ‘const struct _object *’}
 PyAPI_FUNC(Py_ssize_t) PyObject_Size(PyObject *o);
                                      ~~~~~~~~~~^
Python/pystrhex.c:60:27: warning: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘Py_ssize_t’ {aka ‘const int’} [-Wsign-compare]
     if (abs_bytes_per_sep >= arglen) {
                           ^~
Python/pystrhex.c: In function ‘_Py_strhex_with_sep’:
Python/pystrhex.c:90:29: warning: ‘sep_char’ may be used uninitialized in this function [-Wmaybe-uninitialized]
                 retbuf[j++] = sep_char;
                 ~~~~~~~~~~~~^~~~~~~~~~
Python/pystrhex.c:14:13: note: ‘sep_char’ was declared here
     Py_UCS1 sep_char;
             ^~~~~~~~
Python/pystrhex.c: In function ‘_Py_strhex_bytes_with_sep’:
Python/pystrhex.c:90:29: warning: ‘sep_char’ may be used uninitialized in this function [-Wmaybe-uninitialized]
                 retbuf[j++] = sep_char;
                 ~~~~~~~~~~~~^~~~~~~~~~
Python/pystrhex.c:14:13: note: ‘sep_char’ was declared here
     Py_UCS1 sep_char;
             ^~~~~~~~
In file included from ./Include/Python.h:137,
                 from ./Modules/posixmodule.c:27:
./Modules/posixmodule.c: In function ‘all_ins’:
./Modules/posixmodule.c:14058:33: error: ‘MFD_HUGE_32MB’ undeclared (first use in this function); did you mean ‘MFD_HUGE_2MB’?
     if (PyModule_AddIntMacro(m, MFD_HUGE_32MB)) return -1;
                                 ^~~~~~~~~~~~~
./Include/modsupport.h:139:67: note: in definition of macro ‘PyModule_AddIntMacro’
 #define PyModule_AddIntMacro(m, c) PyModule_AddIntConstant(m, #c, c)
                                                                   ^
./Modules/posixmodule.c:14058:33: note: each undeclared identifier is reported only once for each function it appears in
     if (PyModule_AddIntMacro(m, MFD_HUGE_32MB)) return -1;
                                 ^~~~~~~~~~~~~
./Include/modsupport.h:139:67: note: in definition of macro ‘PyModule_AddIntMacro’
 #define PyModule_AddIntMacro(m, c) PyModule_AddIntConstant(m, #c, c)
                                                                   ^
./Modules/posixmodule.c:14060:33: error: ‘MFD_HUGE_512MB’ undeclared (first use in this function); did you mean ‘MFD_HUGE_512KB’?
     if (PyModule_AddIntMacro(m, MFD_HUGE_512MB)) return -1;
                                 ^~~~~~~~~~~~~~
./Include/modsupport.h:139:67: note: in definition of macro ‘PyModule_AddIntMacro’
 #define PyModule_AddIntMacro(m, c) PyModule_AddIntConstant(m, #c, c)
                                                                   ^
make: *** [Makefile:1865: Modules/posixmodule.o] Error 1

find: ‘build’: No such file or directory
find: ‘build’: No such file or directory
find: ‘build’: No such file or directory
find: ‘build’: No such file or directory
make: [Makefile:1763: clean] Error 1 (ignored)