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Re: [Qemu-devel] MinGW build
From: |
Stefan Weil |
Subject: |
Re: [Qemu-devel] MinGW build |
Date: |
Wed, 26 Nov 2014 21:19:53 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 |
Am 26.11.2014 um 21:13 schrieb Peter Maydell:
> On 26 November 2014 at 19:55, Liviu Ionescu <address@hidden> wrote:
>> since I had some troubles to build QEMU on Windows, I compiled a page with
>> some instructions:
>>
>> http://gnuarmeclipse.livius.net/wiki/How_to_build_QEMU#Windows
>>
>> the purpose was to generate a standalone executable, that requires no
>> libraries.
>>
>>
>> although the procedure is fully functional, I had to apply a small patch,
>> basically:
>>
>> #ifdef __MINGW32__
>> #if !defined(ffs)
>> #define ffs __builtin_ffs
>> #endif
>> #endif
>>
>> in several files.
>
> Hmm. We have a workaround already for a similar thing in
> include/sysemu/os-win32.h,
> but that works by declaring a prototype rather than using a #define, and it's
> guarded by defined(_WIN64). I wonder if some of those workarounds in that file
> need to be guarded by more specific checks than just _WIN64...
>
> Do you have any experience with mingw-w64? When I was doing Windows
> (cross-compiled) builds mingw-w64 seemed to be more actively maintained
> (even for 32 bit windows targets) than the original mingw project,
> and I think there was at least one issue where the fix was basically
> "don't try to use mingw, it's just too old, use mingw-w64 instead".
>
> In any case, thanks very much for writing up the instructions -- we do
> get people wanting to know how to build on Windows from time to time,
> so it will be useful to be able to point them at instructions.
>
> You might consider tweaking the instructions to recommend building in
> a subdirectory (ie 'mkdir -p build/windows; cd build/windows;
> ../../configure; make'). This is good if you're going to be building
> more than one configuration, and it also makes it easy to blow away
> an old build by removing the whole build tree (distclean is not always
> 100% reliable especially if you track head-of-git often).
>
> -- PMM
>
I was just writing nearly the same as Peter. So now I can only add one
remark: there is also a QEMU Wiki which has some rather old instructions
on building for Windows: http://wiki.qemu.org/Hosts/W32. Maybe you could
add updated / new instructions there.
Thanks
Stefan
- [Qemu-devel] MinGW build, Liviu Ionescu, 2014/11/26
- Re: [Qemu-devel] MinGW build, Peter Maydell, 2014/11/26
- Re: [Qemu-devel] MinGW build,
Stefan Weil <=
- Re: [Qemu-devel] MinGW build, Liviu Ionescu, 2014/11/26
- Re: [Qemu-devel] MinGW build, Liviu Ionescu, 2014/11/27
- Re: [Qemu-devel] MinGW build, Peter Maydell, 2014/11/27
- Re: [Qemu-devel] MinGW build, Liviu Ionescu, 2014/11/27
- Re: [Qemu-devel] MinGW build, Stefan Weil, 2014/11/27
- Re: [Qemu-devel] MinGW build, Liviu Ionescu, 2014/11/27
- Re: [Qemu-devel] MinGW build, Peter Maydell, 2014/11/27
- Re: [Qemu-devel] MinGW build, Liviu Ionescu, 2014/11/27
- Re: [Qemu-devel] MinGW build, Peter Maydell, 2014/11/27
- Re: [Qemu-devel] MinGW build, Liviu Ionescu, 2014/11/27