Re: Fwd: MinGW Updates [Win32]

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On 13/03/16 12:05, Keith Marshall wrote:
> Guys, I received the following messages, directly from Alex Jones.
> 
> Alex, Please don't mail me directly; you are subscribed to
> MinGW-Dvlpr, so please use it.  That way, everyone gets to know
> what you are planning to work on, so can both offer advice, and
> avoid duplicating your work.
> 
> . . .
> 
> Morning Keith. We have been emailing back & forth for a little
> while. But want to start helping with MinGW. Willing to help
> anywhere needed. But prefer to work with Windows API/Runtime
> updates. Started looking at existing tickets. Want to help with the
> following tickets:
> 
> - #2236 Touch and gestures functionality - Assume I need a
> Microsoft touch device e.g. Microsoft Surface

I would assume so, (but not sure); not something I will be equipping
myself with ... ever.

> - #2230 GetLayout() missing in w32api libgdi32.a

I suspect that's a one line addition to lib/gdi32.def; may be worth
running pexports on gdi32.dll, to see what else may be missing.

> - #2274 Various modern Win32 API definitions missing - #2262
> [patch] add Registry API functions and macros introduced in Windows
> Vista

Feel free to research those, and submit patches.  Remember, we'll need
documentary references which don't entail looking a Microsoft's own
headers, (or those from projects which may be less diligent in this).

> Would like to add the following tickets also: - Add ODS_HOTLIGHT
> [0x40] in winuser.h - Add QWORD [#define QWORD DWORD64]

Feel free to create any tickets you think may be appropriate; so much
better, if you can attach patches too.

> Please let me know how to set up my development environment to
> most efficiently help with MinGW tickets. E.g.
> Git/VirtualBox/MinGW/...

That's very much down to your own preferences: I use a GNU/Linux build
host, with self-built mingw32-gcc cross-compiler suite, testing as I
deem appropriate, on WinXP or Win7, running in VirtualBox.  I find git
to be every bit as repulsive as its name suggests, so I use mercurial
instead; hg clone git+ssh://myname@... WJFFM.

For MinGW runtime and WinAPI, you'll need to clone:
https://sourceforge.net/p/mingw/mingw-org-wsl/ci/legacy/tree/

using any appropriate access method, to suit yourself; note that
current active development is on the 'legacy' branch.

> Morning Keith. Sent you an email about getting my environment setup
> to efficiently help with any MinGW ticket. Willing to do whatever
> is needed. Prefer Windows API/Direct3D/DDK/OpenGL/OpenMP updates.
> Wanted to know why OpenMP is not supported with latest MinGW.

Nope, because as I explained in the release announcement, pthreads-w32
failed its test suite; a number of tests failed, and specifically, the
multiprocessor test locked up solid, when I tried to run it with an
OpenMP enabled build of GCC-4.9.3, (and indeed, GCC-4.8.5).

> See mingw32-gcc is version 4.9.3. Which means it supports OpenMP
> 4.0.

Not when it's built without --enable-libgomp, I guess.

> But there is no omp.h in my distribution. Even after I install 
> pthreads-w32. Assume it wasn't popular with MinGW users. Want to
> be involved in bringing this back to MinGW. Because I use it.

I'm looking into the issues, but will appreciate any assistance you
may be able to offer ... particularly with testing.

- -- 
Regards,
Keith.

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