[issue10615] Trivial mingw compile fixes

[Irit Katriel]

Change by Irit Katriel :


--
resolution: duplicate -> wont fix

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[issue10615] Trivial mingw compile fixes

[Irit Katriel]

Change by Irit Katriel :


--
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> MinGW is unsupported - close all open issues and list them here.

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[issue10615] Trivial mingw compile fixes

[Irit Katriel]

Change by Irit Katriel :


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versions: +Python 3.10, Python 3.8, Python 3.9 -Python 2.7, Python 3.1, Python 
3.2

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[issue10615] Trivial mingw compile fixes

[Mark Lawrence]

Changes by Mark Lawrence breamore...@yahoo.co.uk:


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[issue10615] Trivial mingw compile fixes

[Roumen Petrov]

Roumen Petrov added the comment:

This patch cannot be closed as contain some fixes not reported/proposed yet .  
For instance I'm not aware of name clash in Modules/_pickle.c .
I think that other are in scope of issue3871 or earlier .

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[issue10615] Trivial mingw compile fixes

[Mark Lawrence]

Mark Lawrence added the comment:

#17605 titled mingw-meta: build interpeter core was opened on 2013-03-31 so I 
believe this can be closed as superseded.

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[issue10615] Trivial mingw compile fixes

[Ralf Schmitt]

Changes by Ralf Schmitt sch...@gmail.com:


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[issue10615] Trivial mingw compile fixes

[Martin v . Löwis]

Martin v. Löwis mar...@v.loewis.de added the comment:

 - Embedding Python by just compiling/linking all the .c files in
 seems to be a major feature to me; so fixing compilation is useful
 for its own

If that's the objective of the patch, I'm -1 on it.

 - The win32 build system has never used configure;make, but a
 Visual Studio project file; so why require it for a MinGW build?!

Well, if MingW could use the VS project files, that would be fine
with me as well... We need *some* build procedure. Just being
able to compile the source files is not maintainable.

 It would be a nice to have. But there is one thing: The patch in
 its current form is trivial and next to impossible to break anything,
 yet I'm sure it's useful for a number of people. It's a result of
 work done within the company I'm working for. Submitting the patch
 does not have an immediate benefit for my company, it only will save
 me a (short!) amount of time because I will not to have to re-apply
 the patch for every new Python release. This time saving is the only
 justification for spending some working time to try to get it into
 the official tree.

Understood. Perhaps somebody else is interested in picking up the
patch.

BTW, you do have your employer's permission to contribute this work,
right?

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[issue10615] Trivial mingw compile fixes

[Johann Hanne]

Johann Hanne pyt...@jf.hanne.name added the comment:

 Traditionally, MingW-compiled Python binaries would often be
binary-incompatible

I don't plan to distribute a MinGW compiled package as an alternative to the 
official MSVC based build. In my particular use case, I compile everything into 
a single exe and put the Lib/*.py files into a single zip file. The result is a 
two-file Python distribution which doesn't need an installation. If somebody is 
interested, I can elaborate, but this would be off-topic here.

As for the reproducibility issue: The configure/Makefile system coming with 
Python simply doesn't support creating a Windows build. I hope it's clear that 
the patch is NOT about creating a Windows installer. If this is a requirement 
for getting my patch in, please let me know so I can stop wasting my time!

Whatsoever, if you simply want to reproduce that my compile (!) fixes work, 
please follow these steps:
- Start a MinGW shell and cd into the Python source tree
- CFLAGS=-IPC -IPython ./configure
- Remove the created pyconfig.h and replace PC/pyconfig.h with the manually 
modified version I'm attaching
- Modify the Makefile:
-- Remove pwdmodule.c from the MODOBJS variable
-- Add to the MODOBJS variable: PC/dl_nt.o PC/import_nt.o
-- Remove the LIBOBJS variable assigment
-- Edit the # Build the interpreter paragraph: Add PC/empty.o to the rule 
dependencies *AND* after ...$(SYSLIBS) $(LDLAST)
- Modify PC/empty.c: Add #include Python.h as first line; replace 'return 
0;' by 'wchar_t *wargv[] = { Lpython.exe, NULL }; return Py_Main(1, wargv);'
- Run make
- Add the the full path to the Lib directory to your PYTHONPATH

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Added file: http://bugs.python.org/file19952/pyconfig.h

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[issue10615] Trivial mingw compile fixes

[Johann Hanne]

Johann Hanne pyt...@jf.hanne.name added the comment:

As promised, here comes the list of modules which successfully compile with 
MinGW:


./Python-3.1.3/PC/import_nt.o
./Python-3.1.3/PC/_subprocess.o
./Python-3.1.3/PC/dl_nt.o
./Python-3.1.3/PC/msvcrtmodule.o
./Python-3.1.3/PC/winreg.o
./Python-3.1.3/Parser/pgen.o
./Python-3.1.3/Parser/grammar1.o
./Python-3.1.3/Parser/parser.o
./Python-3.1.3/Parser/listnode.o
./Python-3.1.3/Parser/parsetok.o
./Python-3.1.3/Parser/tokenizer.o
./Python-3.1.3/Parser/printgrammar.o
./Python-3.1.3/Parser/myreadline.o
./Python-3.1.3/Parser/firstsets.o
./Python-3.1.3/Parser/metagrammar.o
./Python-3.1.3/Parser/grammar.o
./Python-3.1.3/Parser/acceler.o
./Python-3.1.3/Parser/node.o
./Python-3.1.3/Parser/bitset.o
./Python-3.1.3/Python/getcompiler.o
./Python-3.1.3/Python/codecs.o
./Python-3.1.3/Python/pystrtod.o
./Python-3.1.3/Python/pyfpe.o
./Python-3.1.3/Python/getargs.o
./Python-3.1.3/Python/modsupport.o
./Python-3.1.3/Python/getopt.o
./Python-3.1.3/Python/formatter_unicode.o
./Python-3.1.3/Python/mysnprintf.o
./Python-3.1.3/Python/pyctype.o
./Python-3.1.3/Python/sysmodule.o
./Python-3.1.3/Python/errors.o
./Python-3.1.3/Python/pymath.o
./Python-3.1.3/Python/pythonrun.o
./Python-3.1.3/Python/pystrcmp.o
./Python-3.1.3/Python/pystate.o
./Python-3.1.3/Python/getversion.o
./Python-3.1.3/Python/_warnings.o
./Python-3.1.3/Python/Python-ast.o
./Python-3.1.3/Python/frozen.o
./Python-3.1.3/Python/getcopyright.o
./Python-3.1.3/Python/asdl.o
./Python-3.1.3/Python/pyarena.o
./Python-3.1.3/Python/importdl.o
./Python-3.1.3/Python/compile.o
./Python-3.1.3/Python/dtoa.o
./Python-3.1.3/Python/getplatform.o
./Python-3.1.3/Python/traceback.o
./Python-3.1.3/Python/ceval.o
./Python-3.1.3/Python/mystrtoul.o
./Python-3.1.3/Python/thread.o
./Python-3.1.3/Python/symtable.o
./Python-3.1.3/Python/structmember.o
./Python-3.1.3/Python/future.o
./Python-3.1.3/Python/graminit.o
./Python-3.1.3/Python/peephole.o
./Python-3.1.3/Python/marshal.o
./Python-3.1.3/Python/import.o
./Python-3.1.3/Python/bltinmodule.o
./Python-3.1.3/Python/dynload_win.o
./Python-3.1.3/Python/ast.o
./Python-3.1.3/Modules/sha512module.o
./Python-3.1.3/Modules/socketmodule.o
./Python-3.1.3/Modules/expat/xmltok.o
./Python-3.1.3/Modules/expat/xmlrole.o
./Python-3.1.3/Modules/expat/xmlparse.o
./Python-3.1.3/Modules/_csv.o
./Python-3.1.3/Modules/_randommodule.o
./Python-3.1.3/Modules/errnomodule.o
./Python-3.1.3/Modules/_weakref.o
./Python-3.1.3/Modules/arraymodule.o
./Python-3.1.3/Modules/symtablemodule.o
./Python-3.1.3/Modules/zipimport.o
./Python-3.1.3/Modules/sha256module.o
./Python-3.1.3/Modules/mmapmodule.o
./Python-3.1.3/Modules/_ctypes/_ctypes_test.o
./Python-3.1.3/Modules/_ctypes/libffi/src/prep_cif.o
./Python-3.1.3/Modules/_ctypes/libffi/src/x86/ffi.o
./Python-3.1.3/Modules/_ctypes/libffi/src/x86/win32.o
./Python-3.1.3/Modules/_ctypes/callbacks.o
./Python-3.1.3/Modules/_ctypes/stgdict.o
./Python-3.1.3/Modules/_ctypes/_ctypes.o
./Python-3.1.3/Modules/_ctypes/callproc.o
./Python-3.1.3/Modules/_ctypes/malloc_closure.o
./Python-3.1.3/Modules/_ctypes/cfield.o
./Python-3.1.3/Modules/operator.o
./Python-3.1.3/Modules/posixmodule.o
./Python-3.1.3/Modules/md5module.o
./Python-3.1.3/Modules/timemodule.o
./Python-3.1.3/Modules/_functoolsmodule.o
./Python-3.1.3/Modules/datetimemodule.o
./Python-3.1.3/Modules/cmathmodule.o
./Python-3.1.3/Modules/zlibmodule.o
./Python-3.1.3/Modules/_threadmodule.o
./Python-3.1.3/Modules/itertoolsmodule.o
./Python-3.1.3/Modules/_lsprof.o
./Python-3.1.3/Modules/_tkinter.o
./Python-3.1.3/Modules/getbuildinfo.o
./Python-3.1.3/Modules/_collectionsmodule.o
./Python-3.1.3/Modules/_localemodule.o
./Python-3.1.3/Modules/_io/iobase.o
./Python-3.1.3/Modules/_io/bytesio.o
./Python-3.1.3/Modules/_io/stringio.o
./Python-3.1.3/Modules/_io/_iomodule.o
./Python-3.1.3/Modules/_io/textio.o
./Python-3.1.3/Modules/_io/bufferedio.o
./Python-3.1.3/Modules/_io/fileio.o
./Python-3.1.3/Modules/_struct.o
./Python-3.1.3/Modules/_codecsmodule.o
./Python-3.1.3/Modules/selectmodule.o
./Python-3.1.3/Modules/rotatingtree.o
./Python-3.1.3/Modules/sha1module.o
./Python-3.1.3/Modules/unicodedata.o
./Python-3.1.3/Modules/parsermodule.o
./Python-3.1.3/Modules/xxsubtype.o
./Python-3.1.3/Modules/_heapqmodule.o
./Python-3.1.3/Modules/audioop.o
./Python-3.1.3/Modules/_multiprocessing/win32_functions.o
./Python-3.1.3/Modules/_multiprocessing/semaphore.o
./Python-3.1.3/Modules/_multiprocessing/pipe_connection.o
./Python-3.1.3/Modules/_multiprocessing/multiprocessing.o
./Python-3.1.3/Modules/_multiprocessing/socket_connection.o
./Python-3.1.3/Modules/_bisectmodule.o
./Python-3.1.3/Modules/gcmodule.o
./Python-3.1.3/Modules/_sre.o
./Python-3.1.3/Modules/_json.o
./Python-3.1.3/Modules/mathmodule.o
./Python-3.1.3/Modules/signalmodule.o
./Python-3.1.3/Modules/pyexpat.o
./Python-3.1.3/Modules/binascii.o
./Python-3.1.3/Modules/_pickle.o
./Python-3.1.3/Objects/unicodeobject.o
./Python-3.1.3/Objects/enumobject.o
./Python-3.1.3/Objects/codeobject.o

[issue10615] Trivial mingw compile fixes

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc amaur...@gmail.com added the comment:

Thanks for the explanations! These instructions should be turned into a patch.
Some questions already:
- Why is the generated pyconfig.h not good enough? Could we modify the 
./configure script instead?
- the empty.c should remain empty... Why not use PC/WinMain.c instead?
- why is a WinMain required when python.c is supposed to define a main()?
Is the final binary a console application or a Windows application?

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[issue10615] Trivial mingw compile fixes

[Martin v . Löwis]

Martin v. Löwis mar...@v.loewis.de added the comment:

 As for the reproducibility issue: The configure/Makefile system
 coming with Python simply doesn't support creating a Windows build. I
 hope it's clear that the patch is NOT about creating a Windows
 installer. If this is a requirement for getting my patch in, please
 let me know so I can stop wasting my time!

That's why I was asking what the patch achieves - it was not clear
at all what the objective is. Not supporting the build of an installer
is fine (although that probably wouldn't be difficult). However, if
the patch doesn't manage to make configure;make work, it's IMO
useless. Having make install work in some form would be desirable.

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[issue10615] Trivial mingw compile fixes

[Johann Hanne]

Johann Hanne pyt...@jf.hanne.name added the comment:

- Why is the generated pyconfig.h not good enough? Could we modify the 
./configure script instead?
Probably setup.py needs to be extended; I did not have a deep look into the 
build system though

- the empty.c should remain empty... Why not use PC/WinMain.c instead?
It seems to be that MinGW does not support the wWinMain unicode entry point; 
the empty.c hack is just to show that it's actually linking

- why is a WinMain required when python.c is supposed to define a 
main()?
Good question; probably just a question of linker flags; I will have a look if 
my time permits

- Is the final binary a console application or a Windows application?
A Console application; creating a GUI application is easily done with the 
-mwindows gcc flag, but then you will have no Python console when not using 
idle or similar

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[issue10615] Trivial mingw compile fixes

[Johann Hanne]

Johann Hanne pyt...@jf.hanne.name added the comment:

 However, if the patch doesn't manage to make configure;make work, it's IMO 
 useless.
No, it's not, for two reasons:
- Embedding Python by just compiling/linking all the .c files in seems to be a 
major feature to me; so fixing compilation is useful for its own
- The win32 build system has never used configure;make, but a Visual Studio 
project file; so why require it for a MinGW build?!

 Having make install work in some form would be desirable.
It would be a nice to have. But there is one thing: The patch in its current 
form is trivial and next to impossible to break anything, yet I'm sure it's 
useful for a number of people. It's a result of work done within the company 
I'm working for. Submitting the patch does not have an immediate benefit for my 
company, it only will save me a (short!) amount of time because I will not to 
have to re-apply the patch for every new Python release. This time saving is 
the only justification for spending some working time to try to get it into the 
official tree.

As I have the feeling that all the discussion (which for the major part I used 
my spare time already...) is taking too much time, I will stop doing it as part 
of my job. As I'm privately interested in open source projects, I will continue 
to have a look at fixing configure;make for MinGW; but given my very limited 
spare time, this might take some weeks...

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[issue10615] Trivial mingw compile fixes

[Johann Hanne]

Johann Hanne pyt...@jf.hanne.name added the comment:

Two corrections for the configure;make workaround:
- WRONG: Remove the created pyconfig.h and replace PC/pyconfig.h with the 
manually modified version I'm attaching
- CORRECT: Remove PC/pyconfig.h and replace the created pyconfig.h with the 
manually modified version I'm attaching
- Modules/config.c needs to modified as well:
-- Replace PyInit_posix by PyInit_nt (two occurences), posix by nt (in 
_PyImport_Inittab)
-- Remove '{pwd, PyInit_pwd},' in _PyImport_Inittab

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[issue10615] Trivial mingw compile fixes

[Johann Hanne]

Johann Hanne pyt...@jf.hanne.name added the comment:

When the patch is applied, what's the resulting status of mingw compilation?

It compiles all C files which I require. Not sure if this is really *all* C 
files, but at least very close to all. I will post a list of object files I get 
on Monday.

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[issue10615] Trivial mingw compile fixes

[Martin v . Löwis]

Martin v. Löwis mar...@v.loewis.de added the comment:

Am 04.12.2010 09:32, schrieb Johann Hanne:
 
 Johann Hanne pyt...@jf.hanne.name added the comment:
 
 When the patch is applied, what's the resulting status of mingw compilation?
 
 It compiles all C files which I require. Not sure if this is really *all* C 
 files, but at least very close to all. I will post a list of object files I 
 get on Monday.

Will it then also link something?

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[issue10615] Trivial mingw compile fixes

[Johann Hanne]

Johann Hanne pyt...@jf.hanne.name added the comment:

Will it then also link something?

Sure - it actually builds a python.exe which is fully working for me. If you 
need a proof, please let me know, I have no problem uploading it somewhere...

Is there a reason you are so sceptical? After all, Python for Linux is also 
usually compiled with gcc, so why shouldn't it work for Win32?

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[issue10615] Trivial mingw compile fixes

[Éric Araujo]

Changes by Éric Araujo mer...@netwok.org:


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versions: +Python 2.7, Python 3.2

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[issue10615] Trivial mingw compile fixes

[Martin v . Löwis]

Martin v. Löwis mar...@v.loewis.de added the comment:

 Sure - it actually builds a python.exe which is fully working for me. If you 
 need a proof, please let me know, I have no problem uploading it somewhere...
 
 Is there a reason you are so sceptical? After all, Python for Linux is also 
 usually compiled with gcc, so why shouldn't it work for Win32?

There is a long track of people contributing patches to Python saying
you need this and that to make it work on platform XYZ. Right after
accepting these patches (without testing, because we might not have
access to XYZ) they come back with more patches. If you then look
carefully at the initial submission, they never actually claimed that
this is *all* patches that are needed. Instead, they use phrases like
some trivial fixes (meaning that the difficult fixes are yet to come).

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[issue10615] Trivial mingw compile fixes

[Johann Hanne]

Johann Hanne pyt...@jf.hanne.name added the comment:

Ok, I see. And no, this is *not* my intention. I will post the list of 
successfully compiled objects files and the linker result on Monday as 
promised. If it turns out I lied, feel free to put me into the hall of shame.

After all, the Win32 platform is not that uncommon. I know, MinGW could be seen 
as a different platform, but I never encountered a situation where I required 
anything but the exe file (no special MinGW DLL or something like that).

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[issue10615] Trivial mingw compile fixes

[Martin v . Löwis]

Martin v. Löwis mar...@v.loewis.de added the comment:

 After all, the Win32 platform is not that uncommon. I know, MinGW
 could be seen as a different platform, but I never encountered a
 situation where I required anything but the exe file (no special
 MinGW DLL or something like that).

Traditionally, MingW-compiled Python binaries would often be
binary-incompatible with the ones available from python.org, since the
MingW build would use a different version of the MS CRT than the
python.org version. As a consequence, extensions built for the official
binaries would crash in the MingW build, and vice versa.

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[issue10615] Trivial mingw compile fixes

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc amaur...@gmail.com added the comment:

 As a consequence, extensions built for the official
 binaries would crash in the MingW build, and vice versa

IMO this is a use case for the new soabi tag...

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[issue10615] Trivial mingw compile fixes

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc amaur...@gmail.com added the comment:

 Sure - it actually builds a python.exe which is fully working for me.
 If you need a proof, please let me know, I have no problem uploading
 it somewhere...

This is useless, of course.  The build must be reproducible.
Here is what I did so far:

- Open a cmd.exe console, ensure that msys/bin and mingw/bin are in the PATH
- Run sh configure - it's slow, but works.
- Run make
- Re-running make -k fails on three files: import.c, posixmodule.c, and 
pwdmodule.c

Your patch does not touch import.c, and the pwd module should probably be 
removed from a Python running on Windows.
Do you use another method to compile Python?

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[issue10615] Trivial mingw compile fixes

[Martin v . Löwis]

Martin v. Löwis mar...@v.loewis.de added the comment:

 IMO this is a use case for the new soabi tag...

Unfortunately not: these tags are not supported on Windows.

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[issue10615] Trivial mingw compile fixes

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc amaur...@gmail.com added the comment:

  IMO this is a use case for the new soabi tag...
 Unfortunately not: these tags are not supported on Windows.
So it's a argument for adding (optional?) soabi tags on Windows!

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[issue10615] Trivial mingw compile fixes

[Johann Hanne]

New submission from Johann Hanne pyt...@jf.hanne.name:

Some C files fail to compile with mingw, mostly due to missing preprocessor 
statements:
- Modules/_ctypes/callproc.c
When using the bundled non-msvc libffi, ffi_call has no return value, so only 
use it when compiled with msvc.
- Modules/_pickle.c
There are Windows data types FLOAT, INT, LONG which the pickle code conflicts 
with.
- Modules/posixmodule.c
Some #ifdef _MSC_VER paragraphs apply for __MINGW32__ as well; for MinGW, 
wincrypt.h must be explicitely included (the original Windows headers include 
them in windows.h)
- Modules/signalmodule.c
On case-sensitive filesystems, windows.h must be all-lowercase
- Modules/socketmodule.h
MinGW does not define SIO_KEEPALIVE_VALS, so do it here if required
- PC/msvcrtmodule.c
MinGW does not have crtdbg.h
- PC/winreg.c
MinGW does not define REG_LEGAL_CHANGE_FILTER, so do it here if required
- Python/dynload_win.c
strcasecmp is already defined with MinGW, so use a private name
- Python/pythonrun.c
MinGW has locale.h, but not langinfo.h

This patch fixes all the mentioned problems.

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components: Build
files: Python-3.1.3.fix_mingw_compile.diff
keywords: patch
messages: 123236
nosy: jonny
priority: normal
severity: normal
status: open
title: Trivial mingw compile fixes
type: compile error
versions: Python 3.1
Added file: http://bugs.python.org/file19924/Python-3.1.3.fix_mingw_compile.diff

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[issue10615] Trivial mingw compile fixes

[Martin v . Löwis]

Martin v. Löwis mar...@v.loewis.de added the comment:

When the patch is applied, what's the resulting status of mingw compilation?

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[issue10615] Trivial mingw compile fixes

[Roumen Petrov]

Changes by Roumen Petrov bugtr...@roumenpetrov.info:


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