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Compilation on MINGW64 fails (CODESET,wcstok,...)
I am using the latest MINGW64 (http://repo.msys2.org/distrib/x86_64/msys2-x86_64-20190524.exe)
Versions: Python-3.7.2, Python-3.8.0b3
$ gcc -v
Using built-in specs.
COLLECT_GCC=C:\msys64\mingw64\bin\gcc.exe
COLLECT_LTO_WRAPPER=C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/9.1.0/lto-wrapper.exe
Target: x86_64-w64-mingw32
gcc version 9.1.0 (Rev3, Built by MSYS2 project)
Result of make:
Python/initconfig.c: In function 'config_get_locale_encoding':
Python/initconfig.c:1427:28: error: implicit declaration of function 'nl_langinfo' [-Werror=implicit-function-declaration]
 1427 | const char *encoding = nl_langinfo(CODESET);
 | ^~~~~~~~~~~
Python/initconfig.c:1427:40: error: 'CODESET' undeclared (first use in this function); did you mean 'ECONNRESET'?
 1427 | const char *encoding = nl_langinfo(CODESET);
 | ^~~~~~~
 | ECONNRESET
Python/initconfig.c:1427:40: note: each undeclared identifier is reported only once for each function it appears in
Python/initconfig.c: In function 'config_init_env_warnoptions':
Python/initconfig.c:1992:18: error: too many arguments to function 'wcstok'
 1992 | # define WCSTOK wcstok
 | ^~~~~~
Python/initconfig.c:2015:20: note: in expansion of macro 'WCSTOK'
 2015 | for (warning = WCSTOK(env, L",", &context);
 | ^~~~~~
In file included from ./Include/Python.h:30,
 from Python/initconfig.c:1:
C:/msys64/mingw64/x86_64-w64-mingw32/include/string.h:147:20: note: declared here
 147 | wchar_t *__cdecl wcstok(wchar_t * __restrict__ _Str,const wchar_t * __restrict__ _Delim) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
 | ^~~~~~
Python/initconfig.c:1992:18: error: too many arguments to function 'wcstok'
 1992 | # define WCSTOK wcstok
 | ^~~~~~
Python/initconfig.c:2017:20: note: in expansion of macro 'WCSTOK'
 2017 | warning = WCSTOK(NULL, L",", &context))
 | ^~~~~~
In file included from ./Include/Python.h:30,
 from Python/initconfig.c:1:
C:/msys64/mingw64/x86_64-w64-mingw32/include/string.h:147:20: note: declared here
 147 | wchar_t *__cdecl wcstok(wchar_t * __restrict__ _Str,const wchar_t * __restrict__ _Delim) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
 | ^~~~~~
cc1.exe: some warnings being treated as errors
make: *** [Makefile:1703: Python/initconfig.o] Error 1