Error building Python

[phlamorim@riseup.net]

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I want to use python to prototype some UEFI applications, but the build
is not working on my environment, im trying to build in a linux(debian)
which have "gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516" installed, the
EDK2 is properly installed, i build other packages like OVMF and Mde*,
at the first time i tried to build Python just uncommenting
"AppPkg/Applications/Python/PythonCore.inf" the build stopped because
some compiler warnings which are stopping the building bcause the flag
-Werror, so i changed the file tools_def.txt to remove the -Werror flag,
the warnings dont stopped the build, i probably should fix the warnings
one by one, but when i tried to build again the build system stopped at
target
'/root/projeto_final/src/edk2/Build/AppPkg/DEBUG_GCC5/X64/AppPkg/Applications/Python/PythonCore/DEBUG/Python.dll',
i will leave the entire error message following this message, let me
know if i need to provide another/more information.

--
pymath.obj (symbol from plugin): In function `_Py_get_387controlword':
(.text+0x0): multiple definition of `copysign'
s_copysign.obj (symbol from plugin):(.text+0x0): first defined here
collect2: error: ld returned 1 exit status
GNUmakefile:583: recipe for target
'/root/projeto_final/src/edk2/Build/AppPkg/DEBUG_GCC5/X64/AppPkg/Applications/Python/PythonCore/DEBUG/Python.dll'
failed
make: ***
[/root/projeto_final/src/edk2/Build/AppPkg/DEBUG_GCC5/X64/AppPkg/Applications/Python/PythonCore/DEBUG/Python.dll]
Error 1

build.py...
 : error 7000: Failed to execute command
        make tbuild
[/root/projeto_final/src/edk2/Build/AppPkg/DEBUG_GCC5/X64/AppPkg/Applications/Python/PythonCore]

build.py...
 : error F002: Failed to build module
       
/root/projeto_final/src/edk2/AppPkg/Applications/Python/PythonCore.inf
[X64, GCC5, DEBUG]

- Failed -
Build end time: 06:56:21, Apr.28 2019
Build total time: 00:05:32
--

Thanks,
Paulo Amorim

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