Am 26.11.2014 um 21:13 schrieb Peter Maydell: > On 26 November 2014 at 19:55, Liviu Ionescu <i...@livius.net> 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