[issue41444] CPython 3.8.5 fails to build on Windows with -E option

[Vladislav Mikhalin]

New submission from Vladislav Mikhalin <mikhalinvlad at gmail.com>:

These errors are generated on a clean build:

C:\cpython-3.8.5\Modules\_ctypes\_ctypes.c(107,10): fatal error C1083: Cannot open include file: 'ffi.h': No such file or directory [C:\cpython-3.8.5\PCbuild\_ctypes.vcxproj]
C:\cpython-3.8.5\Modules\_ctypes\callbacks.c(4,10): fatal error C1083: Cannot open include file: 'ffi.h': No such file or directory [C:\cpython-3.8.5\PCbuild\_ctypes.vcxproj]
C:\cpython-3.8.5\Modules\_ctypes\callproc.c(71,10): fatal error C1083: Cannot open include file: 'ffi.h': No such file or directory [C:\cpython-3.8.5\PCbuild\_ctypes.vcxproj]
C:\cpython-3.8.5\Modules\_ctypes\cfield.c(3,10): fatal error C1083: Cannot open include file: 'ffi.h': No such file or directory [C:\cpython-3.8.5\PCbuild\_ctypes.vcxproj]
C:\cpython-3.8.5\Modules\_ctypes\malloc_closure.c(2,10): fatal error C1083: Cannot open include file: 'ffi.h': No such file or directory [C:\cpython-3.8.5\PCbuild\_ctypes.vcxproj]
C:\cpython-3.8.5\Modules\_ctypes\stgdict.c(2,10): fatal error C1083: Cannot open include file: 'ffi.h': No such file or directory [C:\cpython-3.8.5\PCbuild\_ctypes.vcxproj]

----------
components: Build
messages: 374614
nosy: Vladislav Mikhalin
priority: normal
severity: normal
status: open
title: CPython 3.8.5 fails to build on Windows with -E option
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41444>
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