[vbox-dev] Windows build requirements for MinGW
flint at flint-inc.ru
Wed Jun 28 15:59:35 UTC 2017
I see. I did run it with hardware virtualization enabled (I always do). I'll
check with it turned off. Thanks for the tip!
> You'd need a VM without hardware virtualization (disabled VT-x/AMD-V). Then
> the recompiler which is built with MinGW would be used pretty heavily. If you
> can run, say, Windows XP that way then the MinGW-produced code isn't too broken.
> If you have hardware virtualization enabled then the recompiler will be used very little or not at all.
> - Michal
> ----- Original Message -----
> From: flint at flint-inc.ru
> To: frank.mehnert at oracle.com, vbox-dev at virtualbox.org
> Sent: Tuesday, June 27, 2017 11:35:27 PM GMT +01:00 Amsterdam / Berlin / Bern / Rome / Stockholm / Vienna
> Subject: Re: [vbox-dev] Windows build requirements for MinGW
> Just FYI, today I finally had time to try out this build I did with MinGW32
> version 4.5.4, and it seems to be working OK. I did not do extensive testing
> though, just installed it onto a Win7 x64 host, started a WinXP virtual machine
> and worked in it for a bit. Unfortunately I'm not sure what exactly the
> recompiler module does, so I don't know where to look for possible problems that
> the change could cause.
>> Fair enough, thank you very much for the information!
>> I'll keep that in mind.
>>> Michal is right. And years ago there was a more strict dependency to an old
>>> version of gcc from code in src/recompiler. This has been fixed long time ago.
>>> Newer versions of MingW will most likely work but are not tested ATM.
>>> Kind regards,
>>> On Montag, 26. Juni 2017 10:51:53 CEST Michal Necasek wrote:
>>>> Because MinGW 3.3.3 is what's used for the official builds and it's known
>>>> to be working. Other versions may well work, they just aren't positively
>>>> known to be working.
>>>> And no, MinGW is not needed for the Guest Additions at all.
>>>> - Michal
>>>> ----- Original Message -----
>>>> From: flint at flint-inc.ru
>>>> To: vbox-dev at virtualbox.org
>>>> Sent: Monday, June 26, 2017 7:17:12 PM GMT +01:00 Amsterdam / Berlin / Bern / Rome / Stockholm / Vienna
>>>> Subject: [vbox-dev] Windows build requirements for MinGW
>>>> The wiki page https://www.virtualbox.org/wiki/Windows%20build%20instructions
>>>> says that for 32-bit build one requires MinGW 3.3.3. Why exactly this version? I
>>>> tried to build VB using MinGW32 version 4.5.4 (the same rubenvb build as
>>>> MinGW64), and it compiled without problems (except that I had to patch
>>>> configure.vbs, obviously). I did not test yet whether it works, though...
>>>> The only thing I did not compile is Guest Additions. Is it for them that version
>>>> 3.3.3 is needed? Or, maybe, some runtime compatibility with older systems (like
>>>> WinXP)? Or is it just legacy restriction not required anymore but forgotten to
>>>> be updated?
Bye. With best regards,
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