[New-bugs-announce] [issue22591] Drop support of MS-DOS

[STINNER Victor]

New submission from STINNER Victor:

In the C code of Python 3.5, there are still preprocessor commands checking for defines:

- __BORLANDC__: Borland C compiler
- __WATCOMC__: Watcom C compiler
- __DJGPP__: MS-DOS port of GCC

In 2014, it's time to drop this old code. OS/2 support was already removed in Python 3.4 (see the PEP 11).

I'm quite sure that Python 3.5 cannot be compiled on MS-DOS and/or will not work on MS-DOS. I don't think that anyone tried Python 3 on MS-DOS. The MS-DOS support was simply inherited from Python 2, Python 3 source code is based on Python 2.

I don't want to drop support of custom compilers, only removing code specific to MS-DOS, see:
http://bugs.python.org/issue22579#msg228908

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messages: 228913
nosy: haypo
priority: normal
severity: normal
status: open
title: Drop support of MS-DOS
versions: Python 3.5

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